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+# Doxyfile 1.8.3.1
+
+# This file describes the settings to be used by the documentation system
+# doxygen (www.doxygen.org) for a project.
+#
+# All text after a hash (#) is considered a comment and will be ignored.
+# The format is:
+#       TAG = value [value, ...]
+# For lists items can also be appended using:
+#       TAG += value [value, ...]
+# Values that contain spaces should be placed between quotes (" ").
+
+#---------------------------------------------------------------------------
+# Project related configuration options
+#---------------------------------------------------------------------------
+
+# This tag specifies the encoding used for all characters in the config file
+# that follow. The default is UTF-8 which is also the encoding used for all
+# text before the first occurrence of this tag. Doxygen uses libiconv (or the
+# iconv built into libc) for the transcoding. See
+# http://www.gnu.org/software/libiconv for the list of possible encodings.
+
+DOXYFILE_ENCODING      = UTF-8
+
+# The PROJECT_NAME tag is a single word (or sequence of words) that should
+# identify the project. Note that if you do not use Doxywizard you need
+# to put quotes around the project name if it contains spaces.
+
+PROJECT_NAME           =
+
+# The PROJECT_NUMBER tag can be used to enter a project or revision number.
+# This could be handy for archiving the generated documentation or
+# if some version control system is used.
+
+PROJECT_NUMBER         =
+
+# Using the PROJECT_BRIEF tag one can provide an optional one line description
+# for a project that appears at the top of each page and should give viewer
+# a quick idea about the purpose of the project. Keep the description short.
+
+PROJECT_BRIEF          =
+
+# With the PROJECT_LOGO tag one can specify an logo or icon that is
+# included in the documentation. The maximum height of the logo should not
+# exceed 55 pixels and the maximum width should not exceed 200 pixels.
+# Doxygen will copy the logo to the output directory.
+
+PROJECT_LOGO           =
+
+# The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute)
+# base path where the generated documentation will be put.
+# If a relative path is entered, it will be relative to the location
+# where doxygen was started. If left blank the current directory will be used.
+
+OUTPUT_DIRECTORY       = ./doc
+
+# If the CREATE_SUBDIRS tag is set to YES, then doxygen will create
+# 4096 sub-directories (in 2 levels) under the output directory of each output
+# format and will distribute the generated files over these directories.
+# Enabling this option can be useful when feeding doxygen a huge amount of
+# source files, where putting all generated files in the same directory would
+# otherwise cause performance problems for the file system.
+
+CREATE_SUBDIRS         = NO
+
+# The OUTPUT_LANGUAGE tag is used to specify the language in which all
+# documentation generated by doxygen is written. Doxygen will use this
+# information to generate all constant output in the proper language.
+# The default language is English, other supported languages are:
+# Afrikaans, Arabic, Brazilian, Catalan, Chinese, Chinese-Traditional,
+# Croatian, Czech, Danish, Dutch, Esperanto, Farsi, Finnish, French, German,
+# Greek, Hungarian, Italian, Japanese, Japanese-en (Japanese with English
+# messages), Korean, Korean-en, Lithuanian, Norwegian, Macedonian, Persian,
+# Polish, Portuguese, Romanian, Russian, Serbian, Serbian-Cyrillic, Slovak,
+# Slovene, Spanish, Swedish, Ukrainian, and Vietnamese.
+
+OUTPUT_LANGUAGE        = English
+
+# If the BRIEF_MEMBER_DESC tag is set to YES (the default) Doxygen will
+# include brief member descriptions after the members that are listed in
+# the file and class documentation (similar to JavaDoc).
+# Set to NO to disable this.
+
+BRIEF_MEMBER_DESC      = YES
+
+# If the REPEAT_BRIEF tag is set to YES (the default) Doxygen will prepend
+# the brief description of a member or function before the detailed description.
+# Note: if both HIDE_UNDOC_MEMBERS and BRIEF_MEMBER_DESC are set to NO, the
+# brief descriptions will be completely suppressed.
+
+REPEAT_BRIEF           = YES
+
+# This tag implements a quasi-intelligent brief description abbreviator
+# that is used to form the text in various listings. Each string
+# in this list, if found as the leading text of the brief description, will be
+# stripped from the text and the result after processing the whole list, is
+# used as the annotated text. Otherwise, the brief description is used as-is.
+# If left blank, the following values are used ("$name" is automatically
+# replaced with the name of the entity): "The $name class" "The $name widget"
+# "The $name file" "is" "provides" "specifies" "contains"
+# "represents" "a" "an" "the"
+
+ABBREVIATE_BRIEF       =
+
+# If the ALWAYS_DETAILED_SEC and REPEAT_BRIEF tags are both set to YES then
+# Doxygen will generate a detailed section even if there is only a brief
+# description.
+
+ALWAYS_DETAILED_SEC    = NO
+
+# If the INLINE_INHERITED_MEMB tag is set to YES, doxygen will show all
+# inherited members of a class in the documentation of that class as if those
+# members were ordinary class members. Constructors, destructors and assignment
+# operators of the base classes will not be shown.
+
+INLINE_INHERITED_MEMB  = NO
+
+# If the FULL_PATH_NAMES tag is set to YES then Doxygen will prepend the full
+# path before files name in the file list and in the header files. If set
+# to NO the shortest path that makes the file name unique will be used.
+
+FULL_PATH_NAMES        = YES
+
+# If the FULL_PATH_NAMES tag is set to YES then the STRIP_FROM_PATH tag
+# can be used to strip a user-defined part of the path. Stripping is
+# only done if one of the specified strings matches the left-hand part of
+# the path. The tag can be used to show relative paths in the file list.
+# If left blank the directory from which doxygen is run is used as the
+# path to strip. Note that you specify absolute paths here, but also
+# relative paths, which will be relative from the directory where doxygen is
+# started.
+
+STRIP_FROM_PATH        =
+
+# The STRIP_FROM_INC_PATH tag can be used to strip a user-defined part of
+# the path mentioned in the documentation of a class, which tells
+# the reader which header file to include in order to use a class.
+# If left blank only the name of the header file containing the class
+# definition is used. Otherwise one should specify the include paths that
+# are normally passed to the compiler using the -I flag.
+
+STRIP_FROM_INC_PATH    =
+
+# If the SHORT_NAMES tag is set to YES, doxygen will generate much shorter
+# (but less readable) file names. This can be useful if your file system
+# doesn't support long names like on DOS, Mac, or CD-ROM.
+
+SHORT_NAMES            = NO
+
+# If the JAVADOC_AUTOBRIEF tag is set to YES then Doxygen
+# will interpret the first line (until the first dot) of a JavaDoc-style
+# comment as the brief description. If set to NO, the JavaDoc
+# comments will behave just like regular Qt-style comments
+# (thus requiring an explicit @brief command for a brief description.)
+
+JAVADOC_AUTOBRIEF      = NO
+
+# If the QT_AUTOBRIEF tag is set to YES then Doxygen will
+# interpret the first line (until the first dot) of a Qt-style
+# comment as the brief description. If set to NO, the comments
+# will behave just like regular Qt-style comments (thus requiring
+# an explicit \brief command for a brief description.)
+
+QT_AUTOBRIEF           = NO
+
+# The MULTILINE_CPP_IS_BRIEF tag can be set to YES to make Doxygen
+# treat a multi-line C++ special comment block (i.e. a block of //! or ///
+# comments) as a brief description. This used to be the default behaviour.
+# The new default is to treat a multi-line C++ comment block as a detailed
+# description. Set this tag to YES if you prefer the old behaviour instead.
+
+MULTILINE_CPP_IS_BRIEF = NO
+
+# If the INHERIT_DOCS tag is set to YES (the default) then an undocumented
+# member inherits the documentation from any documented member that it
+# re-implements.
+
+INHERIT_DOCS           = YES
+
+# If the SEPARATE_MEMBER_PAGES tag is set to YES, then doxygen will produce
+# a new page for each member. If set to NO, the documentation of a member will
+# be part of the file/class/namespace that contains it.
+
+SEPARATE_MEMBER_PAGES  = NO
+
+# The TAB_SIZE tag can be used to set the number of spaces in a tab.
+# Doxygen uses this value to replace tabs by spaces in code fragments.
+
+TAB_SIZE               = 4
+
+# This tag can be used to specify a number of aliases that acts
+# as commands in the documentation. An alias has the form "name=value".
+# For example adding "sideeffect=\par Side Effects:\n" will allow you to
+# put the command \sideeffect (or @sideeffect) in the documentation, which
+# will result in a user-defined paragraph with heading "Side Effects:".
+# You can put \n's in the value part of an alias to insert newlines.
+
+ALIASES                =
+
+# This tag can be used to specify a number of word-keyword mappings (TCL only).
+# A mapping has the form "name=value". For example adding
+# "class=itcl::class" will allow you to use the command class in the
+# itcl::class meaning.
+
+TCL_SUBST              =
+
+# Set the OPTIMIZE_OUTPUT_FOR_C tag to YES if your project consists of C
+# sources only. Doxygen will then generate output that is more tailored for C.
+# For instance, some of the names that are used will be different. The list
+# of all members will be omitted, etc.
+
+OPTIMIZE_OUTPUT_FOR_C  = NO
+
+# Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java
+# sources only. Doxygen will then generate output that is more tailored for
+# Java. For instance, namespaces will be presented as packages, qualified
+# scopes will look different, etc.
+
+OPTIMIZE_OUTPUT_JAVA   = NO
+
+# Set the OPTIMIZE_FOR_FORTRAN tag to YES if your project consists of Fortran
+# sources only. Doxygen will then generate output that is more tailored for
+# Fortran.
+
+OPTIMIZE_FOR_FORTRAN   = NO
+
+# Set the OPTIMIZE_OUTPUT_VHDL tag to YES if your project consists of VHDL
+# sources. Doxygen will then generate output that is tailored for
+# VHDL.
+
+OPTIMIZE_OUTPUT_VHDL   = NO
+
+# Doxygen selects the parser to use depending on the extension of the files it
+# parses. With this tag you can assign which parser to use for a given
+# extension. Doxygen has a built-in mapping, but you can override or extend it
+# using this tag. The format is ext=language, where ext is a file extension,
+# and language is one of the parsers supported by doxygen: IDL, Java,
+# Javascript, CSharp, C, C++, D, PHP, Objective-C, Python, Fortran, VHDL, C,
+# C++. For instance to make doxygen treat .inc files as Fortran files (default
+# is PHP), and .f files as C (default is Fortran), use: inc=Fortran f=C. Note
+# that for custom extensions you also need to set FILE_PATTERNS otherwise the
+# files are not read by doxygen.
+
+EXTENSION_MAPPING      =
+
+# If MARKDOWN_SUPPORT is enabled (the default) then doxygen pre-processes all
+# comments according to the Markdown format, which allows for more readable
+# documentation. See http://daringfireball.net/projects/markdown/ for details.
+# The output of markdown processing is further processed by doxygen, so you
+# can mix doxygen, HTML, and XML commands with Markdown formatting.
+# Disable only in case of backward compatibilities issues.
+
+MARKDOWN_SUPPORT       = YES
+
+# When enabled doxygen tries to link words that correspond to documented classes,
+# or namespaces to their corresponding documentation. Such a link can be
+# prevented in individual cases by by putting a % sign in front of the word or
+# globally by setting AUTOLINK_SUPPORT to NO.
+
+AUTOLINK_SUPPORT       = YES
+
+# If you use STL classes (i.e. std::string, std::vector, etc.) but do not want
+# to include (a tag file for) the STL sources as input, then you should
+# set this tag to YES in order to let doxygen match functions declarations and
+# definitions whose arguments contain STL classes (e.g. func(std::string); v.s.
+# func(std::string) {}). This also makes the inheritance and collaboration
+# diagrams that involve STL classes more complete and accurate.
+
+BUILTIN_STL_SUPPORT    = NO
+
+# If you use Microsoft's C++/CLI language, you should set this option to YES to
+# enable parsing support.
+
+CPP_CLI_SUPPORT        = NO
+
+# Set the SIP_SUPPORT tag to YES if your project consists of sip sources only.
+# Doxygen will parse them like normal C++ but will assume all classes use public
+# instead of private inheritance when no explicit protection keyword is present.
+
+SIP_SUPPORT            = NO
+
+# For Microsoft's IDL there are propget and propput attributes to indicate
+# getter and setter methods for a property. Setting this option to YES (the
+# default) will make doxygen replace the get and set methods by a property in
+# the documentation. This will only work if the methods are indeed getting or
+# setting a simple type. If this is not the case, or you want to show the
+# methods anyway, you should set this option to NO.
+
+IDL_PROPERTY_SUPPORT   = YES
+
+# If member grouping is used in the documentation and the DISTRIBUTE_GROUP_DOC
+# tag is set to YES, then doxygen will reuse the documentation of the first
+# member in the group (if any) for the other members of the group. By default
+# all members of a group must be documented explicitly.
+
+DISTRIBUTE_GROUP_DOC   = NO
+
+# Set the SUBGROUPING tag to YES (the default) to allow class member groups of
+# the same type (for instance a group of public functions) to be put as a
+# subgroup of that type (e.g. under the Public Functions section). Set it to
+# NO to prevent subgrouping. Alternatively, this can be done per class using
+# the \nosubgrouping command.
+
+SUBGROUPING            = YES
+
+# When the INLINE_GROUPED_CLASSES tag is set to YES, classes, structs and
+# unions are shown inside the group in which they are included (e.g. using
+# @ingroup) instead of on a separate page (for HTML and Man pages) or
+# section (for LaTeX and RTF).
+
+INLINE_GROUPED_CLASSES = NO
+
+# When the INLINE_SIMPLE_STRUCTS tag is set to YES, structs, classes, and
+# unions with only public data fields will be shown inline in the documentation
+# of the scope in which they are defined (i.e. file, namespace, or group
+# documentation), provided this scope is documented. If set to NO (the default),
+# structs, classes, and unions are shown on a separate page (for HTML and Man
+# pages) or section (for LaTeX and RTF).
+
+INLINE_SIMPLE_STRUCTS  = NO
+
+# When TYPEDEF_HIDES_STRUCT is enabled, a typedef of a struct, union, or enum
+# is documented as struct, union, or enum with the name of the typedef. So
+# typedef struct TypeS {} TypeT, will appear in the documentation as a struct
+# with name TypeT. When disabled the typedef will appear as a member of a file,
+# namespace, or class. And the struct will be named TypeS. This can typically
+# be useful for C code in case the coding convention dictates that all compound
+# types are typedef'ed and only the typedef is referenced, never the tag name.
+
+TYPEDEF_HIDES_STRUCT   = NO
+
+# The SYMBOL_CACHE_SIZE determines the size of the internal cache use to
+# determine which symbols to keep in memory and which to flush to disk.
+# When the cache is full, less often used symbols will be written to disk.
+# For small to medium size projects (<1000 input files) the default value is
+# probably good enough. For larger projects a too small cache size can cause
+# doxygen to be busy swapping symbols to and from disk most of the time
+# causing a significant performance penalty.
+# If the system has enough physical memory increasing the cache will improve the
+# performance by keeping more symbols in memory. Note that the value works on
+# a logarithmic scale so increasing the size by one will roughly double the
+# memory usage. The cache size is given by this formula:
+# 2^(16+SYMBOL_CACHE_SIZE). The valid range is 0..9, the default is 0,
+# corresponding to a cache size of 2^16 = 65536 symbols.
+
+SYMBOL_CACHE_SIZE      = 0
+
+# Similar to the SYMBOL_CACHE_SIZE the size of the symbol lookup cache can be
+# set using LOOKUP_CACHE_SIZE. This cache is used to resolve symbols given
+# their name and scope. Since this can be an expensive process and often the
+# same symbol appear multiple times in the code, doxygen keeps a cache of
+# pre-resolved symbols. If the cache is too small doxygen will become slower.
+# If the cache is too large, memory is wasted. The cache size is given by this
+# formula: 2^(16+LOOKUP_CACHE_SIZE). The valid range is 0..9, the default is 0,
+# corresponding to a cache size of 2^16 = 65536 symbols.
+
+LOOKUP_CACHE_SIZE      = 0
+
+#---------------------------------------------------------------------------
+# Build related configuration options
+#---------------------------------------------------------------------------
+
+# If the EXTRACT_ALL tag is set to YES doxygen will assume all entities in
+# documentation are documented, even if no documentation was available.
+# Private class members and static file members will be hidden unless
+# the EXTRACT_PRIVATE and EXTRACT_STATIC tags are set to YES
+
+EXTRACT_ALL            = NO
+
+# If the EXTRACT_PRIVATE tag is set to YES all private members of a class
+# will be included in the documentation.
+
+EXTRACT_PRIVATE        = NO
+
+# If the EXTRACT_PACKAGE tag is set to YES all members with package or internal
+# scope will be included in the documentation.
+
+EXTRACT_PACKAGE        = NO
+
+# If the EXTRACT_STATIC tag is set to YES all static members of a file
+# will be included in the documentation.
+
+EXTRACT_STATIC         = NO
+
+# If the EXTRACT_LOCAL_CLASSES tag is set to YES classes (and structs)
+# defined locally in source files will be included in the documentation.
+# If set to NO only classes defined in header files are included.
+
+EXTRACT_LOCAL_CLASSES  = YES
+
+# This flag is only useful for Objective-C code. When set to YES local
+# methods, which are defined in the implementation section but not in
+# the interface are included in the documentation.
+# If set to NO (the default) only methods in the interface are included.
+
+EXTRACT_LOCAL_METHODS  = NO
+
+# If this flag is set to YES, the members of anonymous namespaces will be
+# extracted and appear in the documentation as a namespace called
+# 'anonymous_namespace{file}', where file will be replaced with the base
+# name of the file that contains the anonymous namespace. By default
+# anonymous namespaces are hidden.
+
+EXTRACT_ANON_NSPACES   = NO
+
+# If the HIDE_UNDOC_MEMBERS tag is set to YES, Doxygen will hide all
+# undocumented members of documented classes, files or namespaces.
+# If set to NO (the default) these members will be included in the
+# various overviews, but no documentation section is generated.
+# This option has no effect if EXTRACT_ALL is enabled.
+
+HIDE_UNDOC_MEMBERS     = NO
+
+# If the HIDE_UNDOC_CLASSES tag is set to YES, Doxygen will hide all
+# undocumented classes that are normally visible in the class hierarchy.
+# If set to NO (the default) these classes will be included in the various
+# overviews. This option has no effect if EXTRACT_ALL is enabled.
+
+HIDE_UNDOC_CLASSES     = NO
+
+# If the HIDE_FRIEND_COMPOUNDS tag is set to YES, Doxygen will hide all
+# friend (class|struct|union) declarations.
+# If set to NO (the default) these declarations will be included in the
+# documentation.
+
+HIDE_FRIEND_COMPOUNDS  = NO
+
+# If the HIDE_IN_BODY_DOCS tag is set to YES, Doxygen will hide any
+# documentation blocks found inside the body of a function.
+# If set to NO (the default) these blocks will be appended to the
+# function's detailed documentation block.
+
+HIDE_IN_BODY_DOCS      = NO
+
+# The INTERNAL_DOCS tag determines if documentation
+# that is typed after a \internal command is included. If the tag is set
+# to NO (the default) then the documentation will be excluded.
+# Set it to YES to include the internal documentation.
+
+INTERNAL_DOCS          = NO
+
+# If the CASE_SENSE_NAMES tag is set to NO then Doxygen will only generate
+# file names in lower-case letters. If set to YES upper-case letters are also
+# allowed. This is useful if you have classes or files whose names only differ
+# in case and if your file system supports case sensitive file names. Windows
+# and Mac users are advised to set this option to NO.
+
+CASE_SENSE_NAMES       = NO
+
+# If the HIDE_SCOPE_NAMES tag is set to NO (the default) then Doxygen
+# will show members with their full class and namespace scopes in the
+# documentation. If set to YES the scope will be hidden.
+
+HIDE_SCOPE_NAMES       = NO
+
+# If the SHOW_INCLUDE_FILES tag is set to YES (the default) then Doxygen
+# will put a list of the files that are included by a file in the documentation
+# of that file.
+
+SHOW_INCLUDE_FILES     = YES
+
+# If the FORCE_LOCAL_INCLUDES tag is set to YES then Doxygen
+# will list include files with double quotes in the documentation
+# rather than with sharp brackets.
+
+FORCE_LOCAL_INCLUDES   = NO
+
+# If the INLINE_INFO tag is set to YES (the default) then a tag [inline]
+# is inserted in the documentation for inline members.
+
+INLINE_INFO            = YES
+
+# If the SORT_MEMBER_DOCS tag is set to YES (the default) then doxygen
+# will sort the (detailed) documentation of file and class members
+# alphabetically by member name. If set to NO the members will appear in
+# declaration order.
+
+SORT_MEMBER_DOCS       = YES
+
+# If the SORT_BRIEF_DOCS tag is set to YES then doxygen will sort the
+# brief documentation of file, namespace and class members alphabetically
+# by member name. If set to NO (the default) the members will appear in
+# declaration order.
+
+SORT_BRIEF_DOCS        = NO
+
+# If the SORT_MEMBERS_CTORS_1ST tag is set to YES then doxygen
+# will sort the (brief and detailed) documentation of class members so that
+# constructors and destructors are listed first. If set to NO (the default)
+# the constructors will appear in the respective orders defined by
+# SORT_MEMBER_DOCS and SORT_BRIEF_DOCS.
+# This tag will be ignored for brief docs if SORT_BRIEF_DOCS is set to NO
+# and ignored for detailed docs if SORT_MEMBER_DOCS is set to NO.
+
+SORT_MEMBERS_CTORS_1ST = NO
+
+# If the SORT_GROUP_NAMES tag is set to YES then doxygen will sort the
+# hierarchy of group names into alphabetical order. If set to NO (the default)
+# the group names will appear in their defined order.
+
+SORT_GROUP_NAMES       = NO
+
+# If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be
+# sorted by fully-qualified names, including namespaces. If set to
+# NO (the default), the class list will be sorted only by class name,
+# not including the namespace part.
+# Note: This option is not very useful if HIDE_SCOPE_NAMES is set to YES.
+# Note: This option applies only to the class list, not to the
+# alphabetical list.
+
+SORT_BY_SCOPE_NAME     = NO
+
+# If the STRICT_PROTO_MATCHING option is enabled and doxygen fails to
+# do proper type resolution of all parameters of a function it will reject a
+# match between the prototype and the implementation of a member function even
+# if there is only one candidate or it is obvious which candidate to choose
+# by doing a simple string match. By disabling STRICT_PROTO_MATCHING doxygen
+# will still accept a match between prototype and implementation in such cases.
+
+STRICT_PROTO_MATCHING  = NO
+
+# The GENERATE_TODOLIST tag can be used to enable (YES) or
+# disable (NO) the todo list. This list is created by putting \todo
+# commands in the documentation.
+
+GENERATE_TODOLIST      = YES
+
+# The GENERATE_TESTLIST tag can be used to enable (YES) or
+# disable (NO) the test list. This list is created by putting \test
+# commands in the documentation.
+
+GENERATE_TESTLIST      = YES
+
+# The GENERATE_BUGLIST tag can be used to enable (YES) or
+# disable (NO) the bug list. This list is created by putting \bug
+# commands in the documentation.
+
+GENERATE_BUGLIST       = YES
+
+# The GENERATE_DEPRECATEDLIST tag can be used to enable (YES) or
+# disable (NO) the deprecated list. This list is created by putting
+# \deprecated commands in the documentation.
+
+GENERATE_DEPRECATEDLIST= YES
+
+# The ENABLED_SECTIONS tag can be used to enable conditional
+# documentation sections, marked by \if section-label ... \endif
+# and \cond section-label ... \endcond blocks.
+
+ENABLED_SECTIONS       =
+
+# The MAX_INITIALIZER_LINES tag determines the maximum number of lines
+# the initial value of a variable or macro consists of for it to appear in
+# the documentation. If the initializer consists of more lines than specified
+# here it will be hidden. Use a value of 0 to hide initializers completely.
+# The appearance of the initializer of individual variables and macros in the
+# documentation can be controlled using \showinitializer or \hideinitializer
+# command in the documentation regardless of this setting.
+
+MAX_INITIALIZER_LINES  = 30
+
+# Set the SHOW_USED_FILES tag to NO to disable the list of files generated
+# at the bottom of the documentation of classes and structs. If set to YES the
+# list will mention the files that were used to generate the documentation.
+
+SHOW_USED_FILES        = YES
+
+# Set the SHOW_FILES tag to NO to disable the generation of the Files page.
+# This will remove the Files entry from the Quick Index and from the
+# Folder Tree View (if specified). The default is YES.
+
+SHOW_FILES             = YES
+
+# Set the SHOW_NAMESPACES tag to NO to disable the generation of the
+# Namespaces page.
+# This will remove the Namespaces entry from the Quick Index
+# and from the Folder Tree View (if specified). The default is YES.
+
+SHOW_NAMESPACES        = YES
+
+# The FILE_VERSION_FILTER tag can be used to specify a program or script that
+# doxygen should invoke to get the current version for each file (typically from
+# the version control system). Doxygen will invoke the program by executing (via
+# popen()) the command <command> <input-file>, where <command> is the value of
+# the FILE_VERSION_FILTER tag, and <input-file> is the name of an input file
+# provided by doxygen. Whatever the program writes to standard output
+# is used as the file version. See the manual for examples.
+
+FILE_VERSION_FILTER    =
+
+# The LAYOUT_FILE tag can be used to specify a layout file which will be parsed
+# by doxygen. The layout file controls the global structure of the generated
+# output files in an output format independent way. To create the layout file
+# that represents doxygen's defaults, run doxygen with the -l option.
+# You can optionally specify a file name after the option, if omitted
+# DoxygenLayout.xml will be used as the name of the layout file.
+
+LAYOUT_FILE            =
+
+# The CITE_BIB_FILES tag can be used to specify one or more bib files
+# containing the references data. This must be a list of .bib files. The
+# .bib extension is automatically appended if omitted. Using this command
+# requires the bibtex tool to be installed. See also
+# http://en.wikipedia.org/wiki/BibTeX for more info. For LaTeX the style
+# of the bibliography can be controlled using LATEX_BIB_STYLE. To use this
+# feature you need bibtex and perl available in the search path. Do not use
+# file names with spaces, bibtex cannot handle them.
+
+CITE_BIB_FILES         =
+
+#---------------------------------------------------------------------------
+# configuration options related to warning and progress messages
+#---------------------------------------------------------------------------
+
+# The QUIET tag can be used to turn on/off the messages that are generated
+# by doxygen. Possible values are YES and NO. If left blank NO is used.
+
+QUIET                  = NO
+
+# The WARNINGS tag can be used to turn on/off the warning messages that are
+# generated by doxygen. Possible values are YES and NO. If left blank
+# NO is used.
+
+WARNINGS               = YES
+
+# If WARN_IF_UNDOCUMENTED is set to YES, then doxygen will generate warnings
+# for undocumented members. If EXTRACT_ALL is set to YES then this flag will
+# automatically be disabled.
+
+WARN_IF_UNDOCUMENTED   = YES
+
+# If WARN_IF_DOC_ERROR is set to YES, doxygen will generate warnings for
+# potential errors in the documentation, such as not documenting some
+# parameters in a documented function, or documenting parameters that
+# don't exist or using markup commands wrongly.
+
+WARN_IF_DOC_ERROR      = YES
+
+# The WARN_NO_PARAMDOC option can be enabled to get warnings for
+# functions that are documented, but have no documentation for their parameters
+# or return value. If set to NO (the default) doxygen will only warn about
+# wrong or incomplete parameter documentation, but not about the absence of
+# documentation.
+
+WARN_NO_PARAMDOC       = NO
+
+# The WARN_FORMAT tag determines the format of the warning messages that
+# doxygen can produce. The string should contain the $file, $line, and $text
+# tags, which will be replaced by the file and line number from which the
+# warning originated and the warning text. Optionally the format may contain
+# $version, which will be replaced by the version of the file (if it could
+# be obtained via FILE_VERSION_FILTER)
+
+WARN_FORMAT            = "$file:$line: $text"
+
+# The WARN_LOGFILE tag can be used to specify a file to which warning
+# and error messages should be written. If left blank the output is written
+# to stderr.
+
+WARN_LOGFILE           =
+
+#---------------------------------------------------------------------------
+# configuration options related to the input files
+#---------------------------------------------------------------------------
+
+# The INPUT tag can be used to specify the files and/or directories that contain
+# documented source files. You may enter file names like "myfile.cpp" or
+# directories like "/usr/src/myproject". Separate the files or directories
+# with spaces.
+
+INPUT                  =
+
+# This tag can be used to specify the character encoding of the source files
+# that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is
+# also the default input encoding. Doxygen uses libiconv (or the iconv built
+# into libc) for the transcoding. See http://www.gnu.org/software/libiconv for
+# the list of possible encodings.
+
+INPUT_ENCODING         = UTF-8
+
+# If the value of the INPUT tag contains directories, you can use the
+# FILE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp
+# and *.h) to filter out the source-files in the directories. If left
+# blank the following patterns are tested:
+# *.c *.cc *.cxx *.cpp *.c++ *.d *.java *.ii *.ixx *.ipp *.i++ *.inl *.h *.hh
+# *.hxx *.hpp *.h++ *.idl *.odl *.cs *.php *.php3 *.inc *.m *.mm *.dox *.py
+# *.f90 *.f *.for *.vhd *.vhdl
+
+FILE_PATTERNS          =
+
+# The RECURSIVE tag can be used to turn specify whether or not subdirectories
+# should be searched for input files as well. Possible values are YES and NO.
+# If left blank NO is used.
+
+RECURSIVE              = YES
+
+# The EXCLUDE tag can be used to specify files and/or directories that should be
+# excluded from the INPUT source files. This way you can easily exclude a
+# subdirectory from a directory tree whose root is specified with the INPUT tag.
+# Note that relative paths are relative to the directory from which doxygen is
+# run.
+
+EXCLUDE                =
+
+# The EXCLUDE_SYMLINKS tag can be used to select whether or not files or
+# directories that are symbolic links (a Unix file system feature) are excluded
+# from the input.
+
+EXCLUDE_SYMLINKS       = NO
+
+# If the value of the INPUT tag contains directories, you can use the
+# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude
+# certain files from those directories. Note that the wildcards are matched
+# against the file with absolute path, so to exclude all test directories
+# for example use the pattern */test/*
+
+EXCLUDE_PATTERNS       =
+
+# The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names
+# (namespaces, classes, functions, etc.) that should be excluded from the
+# output. The symbol name can be a fully qualified name, a word, or if the
+# wildcard * is used, a substring. Examples: ANamespace, AClass,
+# AClass::ANamespace, ANamespace::*Test
+
+EXCLUDE_SYMBOLS        =
+
+# The EXAMPLE_PATH tag can be used to specify one or more files or
+# directories that contain example code fragments that are included (see
+# the \include command).
+
+EXAMPLE_PATH           =
+
+# If the value of the EXAMPLE_PATH tag contains directories, you can use the
+# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp
+# and *.h) to filter out the source-files in the directories. If left
+# blank all files are included.
+
+EXAMPLE_PATTERNS       =
+
+# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be
+# searched for input files to be used with the \include or \dontinclude
+# commands irrespective of the value of the RECURSIVE tag.
+# Possible values are YES and NO. If left blank NO is used.
+
+EXAMPLE_RECURSIVE      = NO
+
+# The IMAGE_PATH tag can be used to specify one or more files or
+# directories that contain image that are included in the documentation (see
+# the \image command).
+
+IMAGE_PATH             =
+
+# The INPUT_FILTER tag can be used to specify a program that doxygen should
+# invoke to filter for each input file. Doxygen will invoke the filter program
+# by executing (via popen()) the command <filter> <input-file>, where <filter>
+# is the value of the INPUT_FILTER tag, and <input-file> is the name of an
+# input file. Doxygen will then use the output that the filter program writes
+# to standard output.
+# If FILTER_PATTERNS is specified, this tag will be
+# ignored.
+
+INPUT_FILTER           =
+
+# The FILTER_PATTERNS tag can be used to specify filters on a per file pattern
+# basis.
+# Doxygen will compare the file name with each pattern and apply the
+# filter if there is a match.
+# The filters are a list of the form:
+# pattern=filter (like *.cpp=my_cpp_filter). See INPUT_FILTER for further
+# info on how filters are used. If FILTER_PATTERNS is empty or if
+# non of the patterns match the file name, INPUT_FILTER is applied.
+
+FILTER_PATTERNS        =
+
+# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using
+# INPUT_FILTER) will be used to filter the input files when producing source
+# files to browse (i.e. when SOURCE_BROWSER is set to YES).
+
+FILTER_SOURCE_FILES    = NO
+
+# The FILTER_SOURCE_PATTERNS tag can be used to specify source filters per file
+# pattern. A pattern will override the setting for FILTER_PATTERN (if any)
+# and it is also possible to disable source filtering for a specific pattern
+# using *.ext= (so without naming a filter). This option only has effect when
+# FILTER_SOURCE_FILES is enabled.
+
+FILTER_SOURCE_PATTERNS =
+
+# If the USE_MD_FILE_AS_MAINPAGE tag refers to the name of a markdown file that
+# is part of the input, its contents will be placed on the main page (index.html).
+# This can be useful if you have a project on for instance GitHub and want reuse
+# the introduction page also for the doxygen output.
+
+USE_MDFILE_AS_MAINPAGE =
+
+#---------------------------------------------------------------------------
+# configuration options related to source browsing
+#---------------------------------------------------------------------------
+
+# If the SOURCE_BROWSER tag is set to YES then a list of source files will
+# be generated. Documented entities will be cross-referenced with these sources.
+# Note: To get rid of all source code in the generated output, make sure also
+# VERBATIM_HEADERS is set to NO.
+
+SOURCE_BROWSER         = NO
+
+# Setting the INLINE_SOURCES tag to YES will include the body
+# of functions and classes directly in the documentation.
+
+INLINE_SOURCES         = NO
+
+# Setting the STRIP_CODE_COMMENTS tag to YES (the default) will instruct
+# doxygen to hide any special comment blocks from generated source code
+# fragments. Normal C, C++ and Fortran comments will always remain visible.
+
+STRIP_CODE_COMMENTS    = YES
+
+# If the REFERENCED_BY_RELATION tag is set to YES
+# then for each documented function all documented
+# functions referencing it will be listed.
+
+REFERENCED_BY_RELATION = NO
+
+# If the REFERENCES_RELATION tag is set to YES
+# then for each documented function all documented entities
+# called/used by that function will be listed.
+
+REFERENCES_RELATION    = NO
+
+# If the REFERENCES_LINK_SOURCE tag is set to YES (the default)
+# and SOURCE_BROWSER tag is set to YES, then the hyperlinks from
+# functions in REFERENCES_RELATION and REFERENCED_BY_RELATION lists will
+# link to the source code.
+# Otherwise they will link to the documentation.
+
+REFERENCES_LINK_SOURCE = YES
+
+# If the USE_HTAGS tag is set to YES then the references to source code
+# will point to the HTML generated by the htags(1) tool instead of doxygen
+# built-in source browser. The htags tool is part of GNU's global source
+# tagging system (see http://www.gnu.org/software/global/global.html). You
+# will need version 4.8.6 or higher.
+
+USE_HTAGS              = NO
+
+# If the VERBATIM_HEADERS tag is set to YES (the default) then Doxygen
+# will generate a verbatim copy of the header file for each class for
+# which an include is specified. Set to NO to disable this.
+
+VERBATIM_HEADERS       = YES
+
+#---------------------------------------------------------------------------
+# configuration options related to the alphabetical class index
+#---------------------------------------------------------------------------
+
+# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index
+# of all compounds will be generated. Enable this if the project
+# contains a lot of classes, structs, unions or interfaces.
+
+ALPHABETICAL_INDEX     = YES
+
+# If the alphabetical index is enabled (see ALPHABETICAL_INDEX) then
+# the COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns
+# in which this list will be split (can be a number in the range [1..20])
+
+COLS_IN_ALPHA_INDEX    = 5
+
+# In case all classes in a project start with a common prefix, all
+# classes will be put under the same header in the alphabetical index.
+# The IGNORE_PREFIX tag can be used to specify one or more prefixes that
+# should be ignored while generating the index headers.
+
+IGNORE_PREFIX          =
+
+#---------------------------------------------------------------------------
+# configuration options related to the HTML output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_HTML tag is set to YES (the default) Doxygen will
+# generate HTML output.
+
+GENERATE_HTML          = YES
+
+# The HTML_OUTPUT tag is used to specify where the HTML docs will be put.
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be
+# put in front of it. If left blank `html' will be used as the default path.
+
+HTML_OUTPUT            = html
+
+# The HTML_FILE_EXTENSION tag can be used to specify the file extension for
+# each generated HTML page (for example: .htm,.php,.asp). If it is left blank
+# doxygen will generate files with .html extension.
+
+HTML_FILE_EXTENSION    = .html
+
+# The HTML_HEADER tag can be used to specify a personal HTML header for
+# each generated HTML page. If it is left blank doxygen will generate a
+# standard header. Note that when using a custom header you are responsible
+#  for the proper inclusion of any scripts and style sheets that doxygen
+# needs, which is dependent on the configuration options used.
+# It is advised to generate a default header using "doxygen -w html
+# header.html footer.html stylesheet.css YourConfigFile" and then modify
+# that header. Note that the header is subject to change so you typically
+# have to redo this when upgrading to a newer version of doxygen or when
+# changing the value of configuration settings such as GENERATE_TREEVIEW!
+
+HTML_HEADER            =
+
+# The HTML_FOOTER tag can be used to specify a personal HTML footer for
+# each generated HTML page. If it is left blank doxygen will generate a
+# standard footer.
+
+HTML_FOOTER            =
+
+# The HTML_STYLESHEET tag can be used to specify a user-defined cascading
+# style sheet that is used by each HTML page. It can be used to
+# fine-tune the look of the HTML output. If left blank doxygen will
+# generate a default style sheet. Note that it is recommended to use
+# HTML_EXTRA_STYLESHEET instead of this one, as it is more robust and this
+# tag will in the future become obsolete.
+
+HTML_STYLESHEET        =
+
+# The HTML_EXTRA_STYLESHEET tag can be used to specify an additional
+# user-defined cascading style sheet that is included after the standard
+# style sheets created by doxygen. Using this option one can overrule
+# certain style aspects. This is preferred over using HTML_STYLESHEET
+# since it does not replace the standard style sheet and is therefor more
+# robust against future updates. Doxygen will copy the style sheet file to
+# the output directory.
+
+HTML_EXTRA_STYLESHEET  =
+
+# The HTML_EXTRA_FILES tag can be used to specify one or more extra images or
+# other source files which should be copied to the HTML output directory. Note
+# that these files will be copied to the base HTML output directory. Use the
+# $relpath$ marker in the HTML_HEADER and/or HTML_FOOTER files to load these
+# files. In the HTML_STYLESHEET file, use the file name only. Also note that
+# the files will be copied as-is; there are no commands or markers available.
+
+HTML_EXTRA_FILES       =
+
+# The HTML_COLORSTYLE_HUE tag controls the color of the HTML output.
+# Doxygen will adjust the colors in the style sheet and background images
+# according to this color. Hue is specified as an angle on a colorwheel,
+# see http://en.wikipedia.org/wiki/Hue for more information.
+# For instance the value 0 represents red, 60 is yellow, 120 is green,
+# 180 is cyan, 240 is blue, 300 purple, and 360 is red again.
+# The allowed range is 0 to 359.
+
+HTML_COLORSTYLE_HUE    = 220
+
+# The HTML_COLORSTYLE_SAT tag controls the purity (or saturation) of
+# the colors in the HTML output. For a value of 0 the output will use
+# grayscales only. A value of 255 will produce the most vivid colors.
+
+HTML_COLORSTYLE_SAT    = 100
+
+# The HTML_COLORSTYLE_GAMMA tag controls the gamma correction applied to
+# the luminance component of the colors in the HTML output. Values below
+# 100 gradually make the output lighter, whereas values above 100 make
+# the output darker. The value divided by 100 is the actual gamma applied,
+# so 80 represents a gamma of 0.8, The value 220 represents a gamma of 2.2,
+# and 100 does not change the gamma.
+
+HTML_COLORSTYLE_GAMMA  = 80
+
+# If the HTML_TIMESTAMP tag is set to YES then the footer of each generated HTML
+# page will contain the date and time when the page was generated. Setting
+# this to NO can help when comparing the output of multiple runs.
+
+HTML_TIMESTAMP         = YES
+
+# If the HTML_DYNAMIC_SECTIONS tag is set to YES then the generated HTML
+# documentation will contain sections that can be hidden and shown after the
+# page has loaded.
+
+HTML_DYNAMIC_SECTIONS  = NO
+
+# With HTML_INDEX_NUM_ENTRIES one can control the preferred number of
+# entries shown in the various tree structured indices initially; the user
+# can expand and collapse entries dynamically later on. Doxygen will expand
+# the tree to such a level that at most the specified number of entries are
+# visible (unless a fully collapsed tree already exceeds this amount).
+# So setting the number of entries 1 will produce a full collapsed tree by
+# default. 0 is a special value representing an infinite number of entries
+# and will result in a full expanded tree by default.
+
+HTML_INDEX_NUM_ENTRIES = 100
+
+# If the GENERATE_DOCSET tag is set to YES, additional index files
+# will be generated that can be used as input for Apple's Xcode 3
+# integrated development environment, introduced with OSX 10.5 (Leopard).
+# To create a documentation set, doxygen will generate a Makefile in the
+# HTML output directory. Running make will produce the docset in that
+# directory and running "make install" will install the docset in
+# ~/Library/Developer/Shared/Documentation/DocSets so that Xcode will find
+# it at startup.
+# See http://developer.apple.com/tools/creatingdocsetswithdoxygen.html
+# for more information.
+
+GENERATE_DOCSET        = NO
+
+# When GENERATE_DOCSET tag is set to YES, this tag determines the name of the
+# feed. A documentation feed provides an umbrella under which multiple
+# documentation sets from a single provider (such as a company or product suite)
+# can be grouped.
+
+DOCSET_FEEDNAME        = "Doxygen generated docs"
+
+# When GENERATE_DOCSET tag is set to YES, this tag specifies a string that
+# should uniquely identify the documentation set bundle. This should be a
+# reverse domain-name style string, e.g. com.mycompany.MyDocSet. Doxygen
+# will append .docset to the name.
+
+DOCSET_BUNDLE_ID       = org.doxygen.Project
+
+# When GENERATE_PUBLISHER_ID tag specifies a string that should uniquely
+# identify the documentation publisher. This should be a reverse domain-name
+# style string, e.g. com.mycompany.MyDocSet.documentation.
+
+DOCSET_PUBLISHER_ID    = org.doxygen.Publisher
+
+# The GENERATE_PUBLISHER_NAME tag identifies the documentation publisher.
+
+DOCSET_PUBLISHER_NAME  = Publisher
+
+# If the GENERATE_HTMLHELP tag is set to YES, additional index files
+# will be generated that can be used as input for tools like the
+# Microsoft HTML help workshop to generate a compiled HTML help file (.chm)
+# of the generated HTML documentation.
+
+GENERATE_HTMLHELP      = NO
+
+# If the GENERATE_HTMLHELP tag is set to YES, the CHM_FILE tag can
+# be used to specify the file name of the resulting .chm file. You
+# can add a path in front of the file if the result should not be
+# written to the html output directory.
+
+CHM_FILE               =
+
+# If the GENERATE_HTMLHELP tag is set to YES, the HHC_LOCATION tag can
+# be used to specify the location (absolute path including file name) of
+# the HTML help compiler (hhc.exe). If non-empty doxygen will try to run
+# the HTML help compiler on the generated index.hhp.
+
+HHC_LOCATION           =
+
+# If the GENERATE_HTMLHELP tag is set to YES, the GENERATE_CHI flag
+# controls if a separate .chi index file is generated (YES) or that
+# it should be included in the master .chm file (NO).
+
+GENERATE_CHI           = NO
+
+# If the GENERATE_HTMLHELP tag is set to YES, the CHM_INDEX_ENCODING
+# is used to encode HtmlHelp index (hhk), content (hhc) and project file
+# content.
+
+CHM_INDEX_ENCODING     =
+
+# If the GENERATE_HTMLHELP tag is set to YES, the BINARY_TOC flag
+# controls whether a binary table of contents is generated (YES) or a
+# normal table of contents (NO) in the .chm file.
+
+BINARY_TOC             = NO
+
+# The TOC_EXPAND flag can be set to YES to add extra items for group members
+# to the contents of the HTML help documentation and to the tree view.
+
+TOC_EXPAND             = NO
+
+# If the GENERATE_QHP tag is set to YES and both QHP_NAMESPACE and
+# QHP_VIRTUAL_FOLDER are set, an additional index file will be generated
+# that can be used as input for Qt's qhelpgenerator to generate a
+# Qt Compressed Help (.qch) of the generated HTML documentation.
+
+GENERATE_QHP           = NO
+
+# If the QHG_LOCATION tag is specified, the QCH_FILE tag can
+# be used to specify the file name of the resulting .qch file.
+# The path specified is relative to the HTML output folder.
+
+QCH_FILE               =
+
+# The QHP_NAMESPACE tag specifies the namespace to use when generating
+# Qt Help Project output. For more information please see
+# http://doc.trolltech.com/qthelpproject.html#namespace
+
+QHP_NAMESPACE          = org.doxygen.Project
+
+# The QHP_VIRTUAL_FOLDER tag specifies the namespace to use when generating
+# Qt Help Project output. For more information please see
+# http://doc.trolltech.com/qthelpproject.html#virtual-folders
+
+QHP_VIRTUAL_FOLDER     = doc
+
+# If QHP_CUST_FILTER_NAME is set, it specifies the name of a custom filter to
+# add. For more information please see
+# http://doc.trolltech.com/qthelpproject.html#custom-filters
+
+QHP_CUST_FILTER_NAME   =
+
+# The QHP_CUST_FILT_ATTRS tag specifies the list of the attributes of the
+# custom filter to add. For more information please see
+# <a href="http://doc.trolltech.com/qthelpproject.html#custom-filters">
+# Qt Help Project / Custom Filters</a>.
+
+QHP_CUST_FILTER_ATTRS  =
+
+# The QHP_SECT_FILTER_ATTRS tag specifies the list of the attributes this
+# project's
+# filter section matches.
+# <a href="http://doc.trolltech.com/qthelpproject.html#filter-attributes">
+# Qt Help Project / Filter Attributes</a>.
+
+QHP_SECT_FILTER_ATTRS  =
+
+# If the GENERATE_QHP tag is set to YES, the QHG_LOCATION tag can
+# be used to specify the location of Qt's qhelpgenerator.
+# If non-empty doxygen will try to run qhelpgenerator on the generated
+# .qhp file.
+
+QHG_LOCATION           =
+
+# If the GENERATE_ECLIPSEHELP tag is set to YES, additional index files
+#  will be generated, which together with the HTML files, form an Eclipse help
+# plugin. To install this plugin and make it available under the help contents
+# menu in Eclipse, the contents of the directory containing the HTML and XML
+# files needs to be copied into the plugins directory of eclipse. The name of
+# the directory within the plugins directory should be the same as
+# the ECLIPSE_DOC_ID value. After copying Eclipse needs to be restarted before
+# the help appears.
+
+GENERATE_ECLIPSEHELP   = NO
+
+# A unique identifier for the eclipse help plugin. When installing the plugin
+# the directory name containing the HTML and XML files should also have
+# this name.
+
+ECLIPSE_DOC_ID         = org.doxygen.Project
+
+# The DISABLE_INDEX tag can be used to turn on/off the condensed index (tabs)
+# at top of each HTML page. The value NO (the default) enables the index and
+# the value YES disables it. Since the tabs have the same information as the
+# navigation tree you can set this option to NO if you already set
+# GENERATE_TREEVIEW to YES.
+
+DISABLE_INDEX          = NO
+
+# The GENERATE_TREEVIEW tag is used to specify whether a tree-like index
+# structure should be generated to display hierarchical information.
+# If the tag value is set to YES, a side panel will be generated
+# containing a tree-like index structure (just like the one that
+# is generated for HTML Help). For this to work a browser that supports
+# JavaScript, DHTML, CSS and frames is required (i.e. any modern browser).
+# Windows users are probably better off using the HTML help feature.
+# Since the tree basically has the same information as the tab index you
+# could consider to set DISABLE_INDEX to NO when enabling this option.
+
+GENERATE_TREEVIEW      = NO
+
+# The ENUM_VALUES_PER_LINE tag can be used to set the number of enum values
+# (range [0,1..20]) that doxygen will group on one line in the generated HTML
+# documentation. Note that a value of 0 will completely suppress the enum
+# values from appearing in the overview section.
+
+ENUM_VALUES_PER_LINE   = 4
+
+# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be
+# used to set the initial width (in pixels) of the frame in which the tree
+# is shown.
+
+TREEVIEW_WIDTH         = 250
+
+# When the EXT_LINKS_IN_WINDOW option is set to YES doxygen will open
+# links to external symbols imported via tag files in a separate window.
+
+EXT_LINKS_IN_WINDOW    = NO
+
+# Use this tag to change the font size of Latex formulas included
+# as images in the HTML documentation. The default is 10. Note that
+# when you change the font size after a successful doxygen run you need
+# to manually remove any form_*.png images from the HTML output directory
+# to force them to be regenerated.
+
+FORMULA_FONTSIZE       = 10
+
+# Use the FORMULA_TRANPARENT tag to determine whether or not the images
+# generated for formulas are transparent PNGs. Transparent PNGs are
+# not supported properly for IE 6.0, but are supported on all modern browsers.
+# Note that when changing this option you need to delete any form_*.png files
+# in the HTML output before the changes have effect.
+
+FORMULA_TRANSPARENT    = YES
+
+# Enable the USE_MATHJAX option to render LaTeX formulas using MathJax
+# (see http://www.mathjax.org) which uses client side Javascript for the
+# rendering instead of using prerendered bitmaps. Use this if you do not
+# have LaTeX installed or if you want to formulas look prettier in the HTML
+# output. When enabled you may also need to install MathJax separately and
+# configure the path to it using the MATHJAX_RELPATH option.
+
+USE_MATHJAX            = NO
+
+# When MathJax is enabled you can set the default output format to be used for
+# thA MathJax output. Supported types are HTML-CSS, NativeMML (i.e. MathML) and
+# SVG. The default value is HTML-CSS, which is slower, but has the best
+# compatibility.
+
+MATHJAX_FORMAT         = HTML-CSS
+
+# When MathJax is enabled you need to specify the location relative to the
+# HTML output directory using the MATHJAX_RELPATH option. The destination
+# directory should contain the MathJax.js script. For instance, if the mathjax
+# directory is located at the same level as the HTML output directory, then
+# MATHJAX_RELPATH should be ../mathjax. The default value points to
+# the MathJax Content Delivery Network so you can quickly see the result without
+# installing MathJax.
+# However, it is strongly recommended to install a local
+# copy of MathJax from http://www.mathjax.org before deployment.
+
+MATHJAX_RELPATH        = http://cdn.mathjax.org/mathjax/latest
+
+# The MATHJAX_EXTENSIONS tag can be used to specify one or MathJax extension
+# names that should be enabled during MathJax rendering.
+
+MATHJAX_EXTENSIONS     =
+
+# When the SEARCHENGINE tag is enabled doxygen will generate a search box
+# for the HTML output. The underlying search engine uses javascript
+# and DHTML and should work on any modern browser. Note that when using
+# HTML help (GENERATE_HTMLHELP), Qt help (GENERATE_QHP), or docsets
+# (GENERATE_DOCSET) there is already a search function so this one should
+# typically be disabled. For large projects the javascript based search engine
+# can be slow, then enabling SERVER_BASED_SEARCH may provide a better solution.
+
+SEARCHENGINE           = YES
+
+# When the SERVER_BASED_SEARCH tag is enabled the search engine will be
+# implemented using a web server instead of a web client using Javascript.
+# There are two flavours of web server based search depending on the
+# EXTERNAL_SEARCH setting. When disabled, doxygen will generate a PHP script for
+# searching and an index file used by the script. When EXTERNAL_SEARCH is
+# enabled the indexing and searching needs to be provided by external tools.
+# See the manual for details.
+
+SERVER_BASED_SEARCH    = NO
+
+# When EXTERNAL_SEARCH is enabled doxygen will no longer generate the PHP
+# script for searching. Instead the search results are written to an XML file
+# which needs to be processed by an external indexer. Doxygen will invoke an
+# external search engine pointed to by the SEARCHENGINE_URL option to obtain
+# the search results. Doxygen ships with an example indexer (doxyindexer) and
+# search engine (doxysearch.cgi) which are based on the open source search engine
+# library Xapian. See the manual for configuration details.
+
+EXTERNAL_SEARCH        = NO
+
+# The SEARCHENGINE_URL should point to a search engine hosted by a web server
+# which will returned the search results when EXTERNAL_SEARCH is enabled.
+# Doxygen ships with an example search engine (doxysearch) which is based on
+# the open source search engine library Xapian. See the manual for configuration
+# details.
+
+SEARCHENGINE_URL       =
+
+# When SERVER_BASED_SEARCH and EXTERNAL_SEARCH are both enabled the unindexed
+# search data is written to a file for indexing by an external tool. With the
+# SEARCHDATA_FILE tag the name of this file can be specified.
+
+SEARCHDATA_FILE        = searchdata.xml
+
+# When SERVER_BASED_SEARCH AND EXTERNAL_SEARCH are both enabled the
+# EXTERNAL_SEARCH_ID tag can be used as an identifier for the project. This is
+# useful in combination with EXTRA_SEARCH_MAPPINGS to search through multiple
+# projects and redirect the results back to the right project.
+
+EXTERNAL_SEARCH_ID     =
+
+# The EXTRA_SEARCH_MAPPINGS tag can be used to enable searching through doxygen
+# projects other than the one defined by this configuration file, but that are
+# all added to the same external search index. Each project needs to have a
+# unique id set via EXTERNAL_SEARCH_ID. The search mapping then maps the id
+# of to a relative location where the documentation can be found.
+# The format is: EXTRA_SEARCH_MAPPINGS = id1=loc1 id2=loc2 ...
+
+EXTRA_SEARCH_MAPPINGS  =
+
+#---------------------------------------------------------------------------
+# configuration options related to the LaTeX output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_LATEX tag is set to YES (the default) Doxygen will
+# generate Latex output.
+
+GENERATE_LATEX         = YES
+
+# The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put.
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be
+# put in front of it. If left blank `latex' will be used as the default path.
+
+LATEX_OUTPUT           = latex
+
+# The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be
+# invoked. If left blank `latex' will be used as the default command name.
+# Note that when enabling USE_PDFLATEX this option is only used for
+# generating bitmaps for formulas in the HTML output, but not in the
+# Makefile that is written to the output directory.
+
+LATEX_CMD_NAME         = latex
+
+# The MAKEINDEX_CMD_NAME tag can be used to specify the command name to
+# generate index for LaTeX. If left blank `makeindex' will be used as the
+# default command name.
+
+MAKEINDEX_CMD_NAME     = makeindex
+
+# If the COMPACT_LATEX tag is set to YES Doxygen generates more compact
+# LaTeX documents. This may be useful for small projects and may help to
+# save some trees in general.
+
+COMPACT_LATEX          = NO
+
+# The PAPER_TYPE tag can be used to set the paper type that is used
+# by the printer. Possible values are: a4, letter, legal and
+# executive. If left blank a4wide will be used.
+
+PAPER_TYPE             = a4
+
+# The EXTRA_PACKAGES tag can be to specify one or more names of LaTeX
+# packages that should be included in the LaTeX output.
+
+EXTRA_PACKAGES         =
+
+# The LATEX_HEADER tag can be used to specify a personal LaTeX header for
+# the generated latex document. The header should contain everything until
+# the first chapter. If it is left blank doxygen will generate a
+# standard header. Notice: only use this tag if you know what you are doing!
+
+LATEX_HEADER           =
+
+# The LATEX_FOOTER tag can be used to specify a personal LaTeX footer for
+# the generated latex document. The footer should contain everything after
+# the last chapter. If it is left blank doxygen will generate a
+# standard footer. Notice: only use this tag if you know what you are doing!
+
+LATEX_FOOTER           =
+
+# If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated
+# is prepared for conversion to pdf (using ps2pdf). The pdf file will
+# contain links (just like the HTML output) instead of page references
+# This makes the output suitable for online browsing using a pdf viewer.
+
+PDF_HYPERLINKS         = YES
+
+# If the USE_PDFLATEX tag is set to YES, pdflatex will be used instead of
+# plain latex in the generated Makefile. Set this option to YES to get a
+# higher quality PDF documentation.
+
+USE_PDFLATEX           = YES
+
+# If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \\batchmode.
+# command to the generated LaTeX files. This will instruct LaTeX to keep
+# running if errors occur, instead of asking the user for help.
+# This option is also used when generating formulas in HTML.
+
+LATEX_BATCHMODE        = NO
+
+# If LATEX_HIDE_INDICES is set to YES then doxygen will not
+# include the index chapters (such as File Index, Compound Index, etc.)
+# in the output.
+
+LATEX_HIDE_INDICES     = NO
+
+# If LATEX_SOURCE_CODE is set to YES then doxygen will include
+# source code with syntax highlighting in the LaTeX output.
+# Note that which sources are shown also depends on other settings
+# such as SOURCE_BROWSER.
+
+LATEX_SOURCE_CODE      = NO
+
+# The LATEX_BIB_STYLE tag can be used to specify the style to use for the
+# bibliography, e.g. plainnat, or ieeetr. The default style is "plain". See
+# http://en.wikipedia.org/wiki/BibTeX for more info.
+
+LATEX_BIB_STYLE        = plain
+
+#---------------------------------------------------------------------------
+# configuration options related to the RTF output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_RTF tag is set to YES Doxygen will generate RTF output
+# The RTF output is optimized for Word 97 and may not look very pretty with
+# other RTF readers or editors.
+
+GENERATE_RTF           = NO
+
+# The RTF_OUTPUT tag is used to specify where the RTF docs will be put.
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be
+# put in front of it. If left blank `rtf' will be used as the default path.
+
+RTF_OUTPUT             = rtf
+
+# If the COMPACT_RTF tag is set to YES Doxygen generates more compact
+# RTF documents. This may be useful for small projects and may help to
+# save some trees in general.
+
+COMPACT_RTF            = NO
+
+# If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated
+# will contain hyperlink fields. The RTF file will
+# contain links (just like the HTML output) instead of page references.
+# This makes the output suitable for online browsing using WORD or other
+# programs which support those fields.
+# Note: wordpad (write) and others do not support links.
+
+RTF_HYPERLINKS         = NO
+
+# Load style sheet definitions from file. Syntax is similar to doxygen's
+# config file, i.e. a series of assignments. You only have to provide
+# replacements, missing definitions are set to their default value.
+
+RTF_STYLESHEET_FILE    =
+
+# Set optional variables used in the generation of an rtf document.
+# Syntax is similar to doxygen's config file.
+
+RTF_EXTENSIONS_FILE    =
+
+#---------------------------------------------------------------------------
+# configuration options related to the man page output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_MAN tag is set to YES (the default) Doxygen will
+# generate man pages
+
+GENERATE_MAN           = NO
+
+# The MAN_OUTPUT tag is used to specify where the man pages will be put.
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be
+# put in front of it. If left blank `man' will be used as the default path.
+
+MAN_OUTPUT             = man
+
+# The MAN_EXTENSION tag determines the extension that is added to
+# the generated man pages (default is the subroutine's section .3)
+
+MAN_EXTENSION          = .3
+
+# If the MAN_LINKS tag is set to YES and Doxygen generates man output,
+# then it will generate one additional man file for each entity
+# documented in the real man page(s). These additional files
+# only source the real man page, but without them the man command
+# would be unable to find the correct page. The default is NO.
+
+MAN_LINKS              = NO
+
+#---------------------------------------------------------------------------
+# configuration options related to the XML output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_XML tag is set to YES Doxygen will
+# generate an XML file that captures the structure of
+# the code including all documentation.
+
+GENERATE_XML           = NO
+
+# The XML_OUTPUT tag is used to specify where the XML pages will be put.
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be
+# put in front of it. If left blank `xml' will be used as the default path.
+
+XML_OUTPUT             = xml
+
+# The XML_SCHEMA tag can be used to specify an XML schema,
+# which can be used by a validating XML parser to check the
+# syntax of the XML files.
+
+XML_SCHEMA             =
+
+# The XML_DTD tag can be used to specify an XML DTD,
+# which can be used by a validating XML parser to check the
+# syntax of the XML files.
+
+XML_DTD                =
+
+# If the XML_PROGRAMLISTING tag is set to YES Doxygen will
+# dump the program listings (including syntax highlighting
+# and cross-referencing information) to the XML output. Note that
+# enabling this will significantly increase the size of the XML output.
+
+XML_PROGRAMLISTING     = YES
+
+#---------------------------------------------------------------------------
+# configuration options for the AutoGen Definitions output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_AUTOGEN_DEF tag is set to YES Doxygen will
+# generate an AutoGen Definitions (see autogen.sf.net) file
+# that captures the structure of the code including all
+# documentation. Note that this feature is still experimental
+# and incomplete at the moment.
+
+GENERATE_AUTOGEN_DEF   = NO
+
+#---------------------------------------------------------------------------
+# configuration options related to the Perl module output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_PERLMOD tag is set to YES Doxygen will
+# generate a Perl module file that captures the structure of
+# the code including all documentation. Note that this
+# feature is still experimental and incomplete at the
+# moment.
+
+GENERATE_PERLMOD       = NO
+
+# If the PERLMOD_LATEX tag is set to YES Doxygen will generate
+# the necessary Makefile rules, Perl scripts and LaTeX code to be able
+# to generate PDF and DVI output from the Perl module output.
+
+PERLMOD_LATEX          = NO
+
+# If the PERLMOD_PRETTY tag is set to YES the Perl module output will be
+# nicely formatted so it can be parsed by a human reader.
+# This is useful
+# if you want to understand what is going on.
+# On the other hand, if this
+# tag is set to NO the size of the Perl module output will be much smaller
+# and Perl will parse it just the same.
+
+PERLMOD_PRETTY         = YES
+
+# The names of the make variables in the generated doxyrules.make file
+# are prefixed with the string contained in PERLMOD_MAKEVAR_PREFIX.
+# This is useful so different doxyrules.make files included by the same
+# Makefile don't overwrite each other's variables.
+
+PERLMOD_MAKEVAR_PREFIX =
+
+#---------------------------------------------------------------------------
+# Configuration options related to the preprocessor
+#---------------------------------------------------------------------------
+
+# If the ENABLE_PREPROCESSING tag is set to YES (the default) Doxygen will
+# evaluate all C-preprocessor directives found in the sources and include
+# files.
+
+ENABLE_PREPROCESSING   = YES
+
+# If the MACRO_EXPANSION tag is set to YES Doxygen will expand all macro
+# names in the source code. If set to NO (the default) only conditional
+# compilation will be performed. Macro expansion can be done in a controlled
+# way by setting EXPAND_ONLY_PREDEF to YES.
+
+MACRO_EXPANSION        = NO
+
+# If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES
+# then the macro expansion is limited to the macros specified with the
+# PREDEFINED and EXPAND_AS_DEFINED tags.
+
+EXPAND_ONLY_PREDEF     = NO
+
+# If the SEARCH_INCLUDES tag is set to YES (the default) the includes files
+# pointed to by INCLUDE_PATH will be searched when a #include is found.
+
+SEARCH_INCLUDES        = YES
+
+# The INCLUDE_PATH tag can be used to specify one or more directories that
+# contain include files that are not input files but should be processed by
+# the preprocessor.
+
+INCLUDE_PATH           =
+
+# You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard
+# patterns (like *.h and *.hpp) to filter out the header-files in the
+# directories. If left blank, the patterns specified with FILE_PATTERNS will
+# be used.
+
+INCLUDE_FILE_PATTERNS  =
+
+# The PREDEFINED tag can be used to specify one or more macro names that
+# are defined before the preprocessor is started (similar to the -D option of
+# gcc). The argument of the tag is a list of macros of the form: name
+# or name=definition (no spaces). If the definition and the = are
+# omitted =1 is assumed. To prevent a macro definition from being
+# undefined via #undef or recursively expanded use the := operator
+# instead of the = operator.
+
+PREDEFINED             =
+
+# If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then
+# this tag can be used to specify a list of macro names that should be expanded.
+# The macro definition that is found in the sources will be used.
+# Use the PREDEFINED tag if you want to use a different macro definition that
+# overrules the definition found in the source code.
+
+EXPAND_AS_DEFINED      =
+
+# If the SKIP_FUNCTION_MACROS tag is set to YES (the default) then
+# doxygen's preprocessor will remove all references to function-like macros
+# that are alone on a line, have an all uppercase name, and do not end with a
+# semicolon, because these will confuse the parser if not removed.
+
+SKIP_FUNCTION_MACROS   = YES
+
+#---------------------------------------------------------------------------
+# Configuration::additions related to external references
+#---------------------------------------------------------------------------
+
+# The TAGFILES option can be used to specify one or more tagfiles. For each
+# tag file the location of the external documentation should be added. The
+# format of a tag file without this location is as follows:
+#
+# TAGFILES = file1 file2 ...
+# Adding location for the tag files is done as follows:
+#
+# TAGFILES = file1=loc1 "file2 = loc2" ...
+# where "loc1" and "loc2" can be relative or absolute paths
+# or URLs. Note that each tag file must have a unique name (where the name does
+# NOT include the path). If a tag file is not located in the directory in which
+# doxygen is run, you must also specify the path to the tagfile here.
+
+TAGFILES               =
+
+# When a file name is specified after GENERATE_TAGFILE, doxygen will create
+# a tag file that is based on the input files it reads.
+
+GENERATE_TAGFILE       =
+
+# If the ALLEXTERNALS tag is set to YES all external classes will be listed
+# in the class index. If set to NO only the inherited external classes
+# will be listed.
+
+ALLEXTERNALS           = NO
+
+# If the EXTERNAL_GROUPS tag is set to YES all external groups will be listed
+# in the modules index. If set to NO, only the current project's groups will
+# be listed.
+
+EXTERNAL_GROUPS        = YES
+
+# The PERL_PATH should be the absolute path and name of the perl script
+# interpreter (i.e. the result of `which perl').
+
+PERL_PATH              = /usr/bin/perl
+
+#---------------------------------------------------------------------------
+# Configuration options related to the dot tool
+#---------------------------------------------------------------------------
+
+# If the CLASS_DIAGRAMS tag is set to YES (the default) Doxygen will
+# generate a inheritance diagram (in HTML, RTF and LaTeX) for classes with base
+# or super classes. Setting the tag to NO turns the diagrams off. Note that
+# this option also works with HAVE_DOT disabled, but it is recommended to
+# install and use dot, since it yields more powerful graphs.
+
+CLASS_DIAGRAMS         = YES
+
+# You can define message sequence charts within doxygen comments using the \msc
+# command. Doxygen will then run the mscgen tool (see
+# http://www.mcternan.me.uk/mscgen/) to produce the chart and insert it in the
+# documentation. The MSCGEN_PATH tag allows you to specify the directory where
+# the mscgen tool resides. If left empty the tool is assumed to be found in the
+# default search path.
+
+MSCGEN_PATH            =
+
+# If set to YES, the inheritance and collaboration graphs will hide
+# inheritance and usage relations if the target is undocumented
+# or is not a class.
+
+HIDE_UNDOC_RELATIONS   = YES
+
+# If you set the HAVE_DOT tag to YES then doxygen will assume the dot tool is
+# available from the path. This tool is part of Graphviz, a graph visualization
+# toolkit from AT&T and Lucent Bell Labs. The other options in this section
+# have no effect if this option is set to NO (the default)
+
+HAVE_DOT               = NO
+
+# The DOT_NUM_THREADS specifies the number of dot invocations doxygen is
+# allowed to run in parallel. When set to 0 (the default) doxygen will
+# base this on the number of processors available in the system. You can set it
+# explicitly to a value larger than 0 to get control over the balance
+# between CPU load and processing speed.
+
+DOT_NUM_THREADS        = 0
+
+# By default doxygen will use the Helvetica font for all dot files that
+# doxygen generates. When you want a differently looking font you can specify
+# the font name using DOT_FONTNAME. You need to make sure dot is able to find
+# the font, which can be done by putting it in a standard location or by setting
+# the DOTFONTPATH environment variable or by setting DOT_FONTPATH to the
+# directory containing the font.
+
+DOT_FONTNAME           = Helvetica
+
+# The DOT_FONTSIZE tag can be used to set the size of the font of dot graphs.
+# The default size is 10pt.
+
+DOT_FONTSIZE           = 10
+
+# By default doxygen will tell dot to use the Helvetica font.
+# If you specify a different font using DOT_FONTNAME you can use DOT_FONTPATH to
+# set the path where dot can find it.
+
+DOT_FONTPATH           =
+
+# If the CLASS_GRAPH and HAVE_DOT tags are set to YES then doxygen
+# will generate a graph for each documented class showing the direct and
+# indirect inheritance relations. Setting this tag to YES will force the
+# CLASS_DIAGRAMS tag to NO.
+
+CLASS_GRAPH            = YES
+
+# If the COLLABORATION_GRAPH and HAVE_DOT tags are set to YES then doxygen
+# will generate a graph for each documented class showing the direct and
+# indirect implementation dependencies (inheritance, containment, and
+# class references variables) of the class with other documented classes.
+
+COLLABORATION_GRAPH    = YES
+
+# If the GROUP_GRAPHS and HAVE_DOT tags are set to YES then doxygen
+# will generate a graph for groups, showing the direct groups dependencies
+
+GROUP_GRAPHS           = YES
+
+# If the UML_LOOK tag is set to YES doxygen will generate inheritance and
+# collaboration diagrams in a style similar to the OMG's Unified Modeling
+# Language.
+
+UML_LOOK               = NO
+
+# If the UML_LOOK tag is enabled, the fields and methods are shown inside
+# the class node. If there are many fields or methods and many nodes the
+# graph may become too big to be useful. The UML_LIMIT_NUM_FIELDS
+# threshold limits the number of items for each type to make the size more
+# managable. Set this to 0 for no limit. Note that the threshold may be
+# exceeded by 50% before the limit is enforced.
+
+UML_LIMIT_NUM_FIELDS   = 10
+
+# If set to YES, the inheritance and collaboration graphs will show the
+# relations between templates and their instances.
+
+TEMPLATE_RELATIONS     = NO
+
+# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDE_GRAPH, and HAVE_DOT
+# tags are set to YES then doxygen will generate a graph for each documented
+# file showing the direct and indirect include dependencies of the file with
+# other documented files.
+
+INCLUDE_GRAPH          = YES
+
+# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDED_BY_GRAPH, and
+# HAVE_DOT tags are set to YES then doxygen will generate a graph for each
+# documented header file showing the documented files that directly or
+# indirectly include this file.
+
+INCLUDED_BY_GRAPH      = YES
+
+# If the CALL_GRAPH and HAVE_DOT options are set to YES then
+# doxygen will generate a call dependency graph for every global function
+# or class method. Note that enabling this option will significantly increase
+# the time of a run. So in most cases it will be better to enable call graphs
+# for selected functions only using the \callgraph command.
+
+CALL_GRAPH             = NO
+
+# If the CALLER_GRAPH and HAVE_DOT tags are set to YES then
+# doxygen will generate a caller dependency graph for every global function
+# or class method. Note that enabling this option will significantly increase
+# the time of a run. So in most cases it will be better to enable caller
+# graphs for selected functions only using the \callergraph command.
+
+CALLER_GRAPH           = NO
+
+# If the GRAPHICAL_HIERARCHY and HAVE_DOT tags are set to YES then doxygen
+# will generate a graphical hierarchy of all classes instead of a textual one.
+
+GRAPHICAL_HIERARCHY    = YES
+
+# If the DIRECTORY_GRAPH and HAVE_DOT tags are set to YES
+# then doxygen will show the dependencies a directory has on other directories
+# in a graphical way. The dependency relations are determined by the #include
+# relations between the files in the directories.
+
+DIRECTORY_GRAPH        = YES
+
+# The DOT_IMAGE_FORMAT tag can be used to set the image format of the images
+# generated by dot. Possible values are svg, png, jpg, or gif.
+# If left blank png will be used. If you choose svg you need to set
+# HTML_FILE_EXTENSION to xhtml in order to make the SVG files
+# visible in IE 9+ (other browsers do not have this requirement).
+
+DOT_IMAGE_FORMAT       = png
+
+# If DOT_IMAGE_FORMAT is set to svg, then this option can be set to YES to
+# enable generation of interactive SVG images that allow zooming and panning.
+# Note that this requires a modern browser other than Internet Explorer.
+# Tested and working are Firefox, Chrome, Safari, and Opera. For IE 9+ you
+# need to set HTML_FILE_EXTENSION to xhtml in order to make the SVG files
+# visible. Older versions of IE do not have SVG support.
+
+INTERACTIVE_SVG        = NO
+
+# The tag DOT_PATH can be used to specify the path where the dot tool can be
+# found. If left blank, it is assumed the dot tool can be found in the path.
+
+DOT_PATH               =
+
+# The DOTFILE_DIRS tag can be used to specify one or more directories that
+# contain dot files that are included in the documentation (see the
+# \dotfile command).
+
+DOTFILE_DIRS           =
+
+# The MSCFILE_DIRS tag can be used to specify one or more directories that
+# contain msc files that are included in the documentation (see the
+# \mscfile command).
+
+MSCFILE_DIRS           =
+
+# The DOT_GRAPH_MAX_NODES tag can be used to set the maximum number of
+# nodes that will be shown in the graph. If the number of nodes in a graph
+# becomes larger than this value, doxygen will truncate the graph, which is
+# visualized by representing a node as a red box. Note that doxygen if the
+# number of direct children of the root node in a graph is already larger than
+# DOT_GRAPH_MAX_NODES then the graph will not be shown at all. Also note
+# that the size of a graph can be further restricted by MAX_DOT_GRAPH_DEPTH.
+
+DOT_GRAPH_MAX_NODES    = 50
+
+# The MAX_DOT_GRAPH_DEPTH tag can be used to set the maximum depth of the
+# graphs generated by dot. A depth value of 3 means that only nodes reachable
+# from the root by following a path via at most 3 edges will be shown. Nodes
+# that lay further from the root node will be omitted. Note that setting this
+# option to 1 or 2 may greatly reduce the computation time needed for large
+# code bases. Also note that the size of a graph can be further restricted by
+# DOT_GRAPH_MAX_NODES. Using a depth of 0 means no depth restriction.
+
+MAX_DOT_GRAPH_DEPTH    = 0
+
+# Set the DOT_TRANSPARENT tag to YES to generate images with a transparent
+# background. This is disabled by default, because dot on Windows does not
+# seem to support this out of the box. Warning: Depending on the platform used,
+# enabling this option may lead to badly anti-aliased labels on the edges of
+# a graph (i.e. they become hard to read).
+
+DOT_TRANSPARENT        = NO
+
+# Set the DOT_MULTI_TARGETS tag to YES allow dot to generate multiple output
+# files in one run (i.e. multiple -o and -T options on the command line). This
+# makes dot run faster, but since only newer versions of dot (>1.8.10)
+# support this, this feature is disabled by default.
+
+DOT_MULTI_TARGETS      = NO
+
+# If the GENERATE_LEGEND tag is set to YES (the default) Doxygen will
+# generate a legend page explaining the meaning of the various boxes and
+# arrows in the dot generated graphs.
+
+GENERATE_LEGEND        = YES
+
+# If the DOT_CLEANUP tag is set to YES (the default) Doxygen will
+# remove the intermediate dot files that are used to generate
+# the various graphs.
+
+DOT_CLEANUP            = YES
diff --git a/Makefile.am b/Makefile.am
index 213ab07..be8f839 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,3 +1,5 @@
+include aminclude.am
+
 ## Place generated object files (.o) into the same directory as their source
 ## files, in order to avoid collisions when non-recursive make is used.
 AUTOMAKE_OPTIONS = subdir-objects
@@ -12,8 +14,8 @@
 bin_PROGRAMS = test-encode-decode-interest
 
 ndn_cpp_a_SOURCES = ndn-cpp/common.h ndn-cpp/config.h \
-  ndn-cpp/BinaryXMLName.cpp ndn-cpp/BinaryXMLName.hpp \
   ndn-cpp/Name.cpp ndn-cpp/Name.hpp \
+  ndn-cpp/WireFormat.cpp ndn-cpp/WireFormat.hpp \
   ndn-cpp/data.cc ndn-cpp/data.h \
   ndn-cpp/interest.cc ndn-cpp/interest.h \
   ndn-cpp/fields/blob.h \
@@ -27,6 +29,7 @@
   ndn-cpp/encoding/BinaryXMLDecoder.c ndn-cpp/encoding/BinaryXMLDecoder.h \
   ndn-cpp/encoding/BinaryXMLStructureDecoder.c ndn-cpp/encoding/BinaryXMLStructureDecoder.h \
   ndn-cpp/encoding/BinaryXMLStructureDecoder.hpp \
+  ndn-cpp/encoding/BinaryXMLWireFormat.cpp ndn-cpp/encoding/BinaryXMLWireFormat.hpp \
   ndn-cpp/encoding/base.h \
   ndn-cpp/encoding/ccnb.cc ndn-cpp/encoding/ccnb.h
 
diff --git a/Makefile.in b/Makefile.in
index 494b84a..d2389e1 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -14,6 +14,8 @@
 
 @SET_MAKE@
 
+# This file is copied from http://www.gnu.org/software/autoconf-archive/ax_prog_doxygen.html
+
 
 
 VPATH = @srcdir@
@@ -78,12 +80,13 @@
 NORMAL_UNINSTALL = :
 PRE_UNINSTALL = :
 POST_UNINSTALL = :
+DIST_COMMON = $(srcdir)/aminclude.am $(srcdir)/Makefile.in \
+	$(srcdir)/Makefile.am $(top_srcdir)/configure \
+	$(am__configure_deps) $(srcdir)/config.h.in \
+	$(dist_noinst_SCRIPTS) depcomp ar-lib config.guess config.sub \
+	install-sh missing ltmain.sh
 bin_PROGRAMS = test-encode-decode-interest$(EXEEXT)
 subdir = .
-DIST_COMMON = $(srcdir)/Makefile.in $(srcdir)/Makefile.am \
-	$(top_srcdir)/configure $(am__configure_deps) \
-	$(srcdir)/config.h.in $(dist_noinst_SCRIPTS) depcomp ar-lib \
-	config.guess config.sub install-sh missing ltmain.sh
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
@@ -131,8 +134,8 @@
 ndn_cpp_a_AR = $(AR) $(ARFLAGS)
 ndn_cpp_a_LIBADD =
 am__dirstamp = $(am__leading_dot)dirstamp
-am_ndn_cpp_a_OBJECTS = ndn-cpp/BinaryXMLName.$(OBJEXT) \
-	ndn-cpp/Name.$(OBJEXT) ndn-cpp/data.$(OBJEXT) \
+am_ndn_cpp_a_OBJECTS = ndn-cpp/Name.$(OBJEXT) \
+	ndn-cpp/WireFormat.$(OBJEXT) ndn-cpp/data.$(OBJEXT) \
 	ndn-cpp/interest.$(OBJEXT) ndn-cpp/fields/content.$(OBJEXT) \
 	ndn-cpp/fields/exclude.$(OBJEXT) \
 	ndn-cpp/fields/key-locator.$(OBJEXT) \
@@ -141,6 +144,7 @@
 	ndn-cpp/fields/signature.$(OBJEXT) \
 	ndn-cpp/encoding/BinaryXMLDecoder.$(OBJEXT) \
 	ndn-cpp/encoding/BinaryXMLStructureDecoder.$(OBJEXT) \
+	ndn-cpp/encoding/BinaryXMLWireFormat.$(OBJEXT) \
 	ndn-cpp/encoding/ccnb.$(OBJEXT)
 ndn_cpp_a_OBJECTS = $(am_ndn_cpp_a_OBJECTS)
 PROGRAMS = $(bin_PROGRAMS)
@@ -256,6 +260,30 @@
 CYGPATH_W = @CYGPATH_W@
 DEFS = @DEFS@
 DEPDIR = @DEPDIR@
+DOXYGEN_PAPER_SIZE = @DOXYGEN_PAPER_SIZE@
+DX_CONFIG = @DX_CONFIG@
+DX_DOCDIR = @DX_DOCDIR@
+DX_DOT = @DX_DOT@
+DX_DOXYGEN = @DX_DOXYGEN@
+DX_DVIPS = @DX_DVIPS@
+DX_EGREP = @DX_EGREP@
+DX_ENV = @DX_ENV@
+DX_FLAG_chi = @DX_FLAG_chi@
+DX_FLAG_chm = @DX_FLAG_chm@
+DX_FLAG_doc = @DX_FLAG_doc@
+DX_FLAG_dot = @DX_FLAG_dot@
+DX_FLAG_html = @DX_FLAG_html@
+DX_FLAG_man = @DX_FLAG_man@
+DX_FLAG_pdf = @DX_FLAG_pdf@
+DX_FLAG_ps = @DX_FLAG_ps@
+DX_FLAG_rtf = @DX_FLAG_rtf@
+DX_FLAG_xml = @DX_FLAG_xml@
+DX_HHC = @DX_HHC@
+DX_LATEX = @DX_LATEX@
+DX_MAKEINDEX = @DX_MAKEINDEX@
+DX_PDFLATEX = @DX_PDFLATEX@
+DX_PERL = @DX_PERL@
+DX_PROJECT = @DX_PROJECT@
 ECHO_C = @ECHO_C@
 ECHO_N = @ECHO_N@
 ECHO_T = @ECHO_T@
@@ -330,12 +358,36 @@
 top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
+@DX_COND_doc_TRUE@@DX_COND_html_TRUE@DX_CLEAN_HTML = @DX_DOCDIR@/html
+@DX_COND_chm_TRUE@@DX_COND_doc_TRUE@DX_CLEAN_CHM = @DX_DOCDIR@/chm
+@DX_COND_chi_TRUE@@DX_COND_chm_TRUE@@DX_COND_doc_TRUE@DX_CLEAN_CHI = @DX_DOCDIR@/@PACKAGE@.chi
+@DX_COND_doc_TRUE@@DX_COND_man_TRUE@DX_CLEAN_MAN = @DX_DOCDIR@/man
+@DX_COND_doc_TRUE@@DX_COND_rtf_TRUE@DX_CLEAN_RTF = @DX_DOCDIR@/rtf
+@DX_COND_doc_TRUE@@DX_COND_xml_TRUE@DX_CLEAN_XML = @DX_DOCDIR@/xml
+@DX_COND_doc_TRUE@@DX_COND_ps_TRUE@DX_CLEAN_PS = @DX_DOCDIR@/@PACKAGE@.ps
+@DX_COND_doc_TRUE@@DX_COND_ps_TRUE@DX_PS_GOAL = doxygen-ps
+@DX_COND_doc_TRUE@@DX_COND_pdf_TRUE@DX_CLEAN_PDF = @DX_DOCDIR@/@PACKAGE@.pdf
+@DX_COND_doc_TRUE@@DX_COND_pdf_TRUE@DX_PDF_GOAL = doxygen-pdf
+@DX_COND_doc_TRUE@@DX_COND_latex_TRUE@DX_CLEAN_LATEX = @DX_DOCDIR@/latex
+@DX_COND_doc_TRUE@DX_CLEANFILES = \
+@DX_COND_doc_TRUE@    @DX_DOCDIR@/@PACKAGE@.tag \
+@DX_COND_doc_TRUE@    -r \
+@DX_COND_doc_TRUE@    $(DX_CLEAN_HTML) \
+@DX_COND_doc_TRUE@    $(DX_CLEAN_CHM) \
+@DX_COND_doc_TRUE@    $(DX_CLEAN_CHI) \
+@DX_COND_doc_TRUE@    $(DX_CLEAN_MAN) \
+@DX_COND_doc_TRUE@    $(DX_CLEAN_RTF) \
+@DX_COND_doc_TRUE@    $(DX_CLEAN_XML) \
+@DX_COND_doc_TRUE@    $(DX_CLEAN_PS) \
+@DX_COND_doc_TRUE@    $(DX_CLEAN_PDF) \
+@DX_COND_doc_TRUE@    $(DX_CLEAN_LATEX)
+
 AUTOMAKE_OPTIONS = subdir-objects
 ACLOCAL_AMFLAGS = ${ACLOCAL_FLAGS}
 lib_LIBRARIES = ndn-cpp.a
 ndn_cpp_a_SOURCES = ndn-cpp/common.h ndn-cpp/config.h \
-  ndn-cpp/BinaryXMLName.cpp ndn-cpp/BinaryXMLName.hpp \
   ndn-cpp/Name.cpp ndn-cpp/Name.hpp \
+  ndn-cpp/WireFormat.cpp ndn-cpp/WireFormat.hpp \
   ndn-cpp/data.cc ndn-cpp/data.h \
   ndn-cpp/interest.cc ndn-cpp/interest.h \
   ndn-cpp/fields/blob.h \
@@ -349,6 +401,7 @@
   ndn-cpp/encoding/BinaryXMLDecoder.c ndn-cpp/encoding/BinaryXMLDecoder.h \
   ndn-cpp/encoding/BinaryXMLStructureDecoder.c ndn-cpp/encoding/BinaryXMLStructureDecoder.h \
   ndn-cpp/encoding/BinaryXMLStructureDecoder.hpp \
+  ndn-cpp/encoding/BinaryXMLWireFormat.cpp ndn-cpp/encoding/BinaryXMLWireFormat.hpp \
   ndn-cpp/encoding/base.h \
   ndn-cpp/encoding/ccnb.cc ndn-cpp/encoding/ccnb.h
 
@@ -362,7 +415,7 @@
 .SUFFIXES: .c .cc .cpp .o .obj
 am--refresh: Makefile
 	@:
-$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am $(srcdir)/aminclude.am $(am__configure_deps)
 	@for dep in $?; do \
 	  case '$(am__configure_deps)' in \
 	    *$$dep*) \
@@ -385,6 +438,7 @@
 	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__depfiles_maybe)'; \
 	    cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__depfiles_maybe);; \
 	esac;
+$(srcdir)/aminclude.am:
 
 $(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
 	$(SHELL) ./config.status --recheck
@@ -446,10 +500,10 @@
 ndn-cpp/$(DEPDIR)/$(am__dirstamp):
 	@$(MKDIR_P) ndn-cpp/$(DEPDIR)
 	@: > ndn-cpp/$(DEPDIR)/$(am__dirstamp)
-ndn-cpp/BinaryXMLName.$(OBJEXT): ndn-cpp/$(am__dirstamp) \
-	ndn-cpp/$(DEPDIR)/$(am__dirstamp)
 ndn-cpp/Name.$(OBJEXT): ndn-cpp/$(am__dirstamp) \
 	ndn-cpp/$(DEPDIR)/$(am__dirstamp)
+ndn-cpp/WireFormat.$(OBJEXT): ndn-cpp/$(am__dirstamp) \
+	ndn-cpp/$(DEPDIR)/$(am__dirstamp)
 ndn-cpp/data.$(OBJEXT): ndn-cpp/$(am__dirstamp) \
 	ndn-cpp/$(DEPDIR)/$(am__dirstamp)
 ndn-cpp/interest.$(OBJEXT): ndn-cpp/$(am__dirstamp) \
@@ -485,6 +539,9 @@
 ndn-cpp/encoding/BinaryXMLStructureDecoder.$(OBJEXT):  \
 	ndn-cpp/encoding/$(am__dirstamp) \
 	ndn-cpp/encoding/$(DEPDIR)/$(am__dirstamp)
+ndn-cpp/encoding/BinaryXMLWireFormat.$(OBJEXT):  \
+	ndn-cpp/encoding/$(am__dirstamp) \
+	ndn-cpp/encoding/$(DEPDIR)/$(am__dirstamp)
 ndn-cpp/encoding/ccnb.$(OBJEXT): ndn-cpp/encoding/$(am__dirstamp) \
 	ndn-cpp/encoding/$(DEPDIR)/$(am__dirstamp)
 
@@ -557,12 +614,13 @@
 distclean-compile:
 	-rm -f *.tab.c
 
-@AMDEP_TRUE@@am__include@ @am__quote@ndn-cpp/$(DEPDIR)/BinaryXMLName.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@ndn-cpp/$(DEPDIR)/Name.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@ndn-cpp/$(DEPDIR)/WireFormat.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@ndn-cpp/$(DEPDIR)/data.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@ndn-cpp/$(DEPDIR)/interest.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@ndn-cpp/encoding/$(DEPDIR)/BinaryXMLDecoder.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@ndn-cpp/encoding/$(DEPDIR)/BinaryXMLStructureDecoder.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@ndn-cpp/encoding/$(DEPDIR)/BinaryXMLWireFormat.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@ndn-cpp/encoding/$(DEPDIR)/ccnb.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@ndn-cpp/fields/$(DEPDIR)/content.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@ndn-cpp/fields/$(DEPDIR)/exclude.Po@am__quote@
@@ -973,6 +1031,52 @@
 	uninstall-am uninstall-binPROGRAMS uninstall-libLIBRARIES
 
 
+@DX_COND_doc_TRUE@@DX_COND_ps_TRUE@doxygen-ps: @DX_DOCDIR@/@PACKAGE@.ps
+
+@DX_COND_doc_TRUE@@DX_COND_ps_TRUE@@DX_DOCDIR@/@PACKAGE@.ps: @DX_DOCDIR@/@PACKAGE@.tag
+@DX_COND_doc_TRUE@@DX_COND_ps_TRUE@	cd @DX_DOCDIR@/latex; \
+@DX_COND_doc_TRUE@@DX_COND_ps_TRUE@	rm -f *.aux *.toc *.idx *.ind *.ilg *.log *.out; \
+@DX_COND_doc_TRUE@@DX_COND_ps_TRUE@	$(DX_LATEX) refman.tex; \
+@DX_COND_doc_TRUE@@DX_COND_ps_TRUE@	$(MAKEINDEX_PATH) refman.idx; \
+@DX_COND_doc_TRUE@@DX_COND_ps_TRUE@	$(DX_LATEX) refman.tex; \
+@DX_COND_doc_TRUE@@DX_COND_ps_TRUE@	countdown=5; \
+@DX_COND_doc_TRUE@@DX_COND_ps_TRUE@	while $(DX_EGREP) 'Rerun (LaTeX|to get cross-references right)' \
+@DX_COND_doc_TRUE@@DX_COND_ps_TRUE@	                  refman.log > /dev/null 2>&1 \
+@DX_COND_doc_TRUE@@DX_COND_ps_TRUE@	   && test $$countdown -gt 0; do \
+@DX_COND_doc_TRUE@@DX_COND_ps_TRUE@	    $(DX_LATEX) refman.tex; \
+@DX_COND_doc_TRUE@@DX_COND_ps_TRUE@	    countdown=`expr $$countdown - 1`; \
+@DX_COND_doc_TRUE@@DX_COND_ps_TRUE@	done; \
+@DX_COND_doc_TRUE@@DX_COND_ps_TRUE@	$(DX_DVIPS) -o ../@PACKAGE@.ps refman.dvi
+
+@DX_COND_doc_TRUE@@DX_COND_pdf_TRUE@doxygen-pdf: @DX_DOCDIR@/@PACKAGE@.pdf
+
+@DX_COND_doc_TRUE@@DX_COND_pdf_TRUE@@DX_DOCDIR@/@PACKAGE@.pdf: @DX_DOCDIR@/@PACKAGE@.tag
+@DX_COND_doc_TRUE@@DX_COND_pdf_TRUE@	cd @DX_DOCDIR@/latex; \
+@DX_COND_doc_TRUE@@DX_COND_pdf_TRUE@	rm -f *.aux *.toc *.idx *.ind *.ilg *.log *.out; \
+@DX_COND_doc_TRUE@@DX_COND_pdf_TRUE@	$(DX_PDFLATEX) refman.tex; \
+@DX_COND_doc_TRUE@@DX_COND_pdf_TRUE@	$(DX_MAKEINDEX) refman.idx; \
+@DX_COND_doc_TRUE@@DX_COND_pdf_TRUE@	$(DX_PDFLATEX) refman.tex; \
+@DX_COND_doc_TRUE@@DX_COND_pdf_TRUE@	countdown=5; \
+@DX_COND_doc_TRUE@@DX_COND_pdf_TRUE@	while $(DX_EGREP) 'Rerun (LaTeX|to get cross-references right)' \
+@DX_COND_doc_TRUE@@DX_COND_pdf_TRUE@	                  refman.log > /dev/null 2>&1 \
+@DX_COND_doc_TRUE@@DX_COND_pdf_TRUE@	   && test $$countdown -gt 0; do \
+@DX_COND_doc_TRUE@@DX_COND_pdf_TRUE@	    $(DX_PDFLATEX) refman.tex; \
+@DX_COND_doc_TRUE@@DX_COND_pdf_TRUE@	    countdown=`expr $$countdown - 1`; \
+@DX_COND_doc_TRUE@@DX_COND_pdf_TRUE@	done; \
+@DX_COND_doc_TRUE@@DX_COND_pdf_TRUE@	mv refman.pdf ../@PACKAGE@.pdf
+
+@DX_COND_doc_TRUE@.PHONY: doxygen-run doxygen-doc $(DX_PS_GOAL) $(DX_PDF_GOAL)
+
+@DX_COND_doc_TRUE@.INTERMEDIATE: doxygen-run $(DX_PS_GOAL) $(DX_PDF_GOAL)
+
+@DX_COND_doc_TRUE@doxygen-run: @DX_DOCDIR@/@PACKAGE@.tag
+
+@DX_COND_doc_TRUE@doxygen-doc: doxygen-run $(DX_PS_GOAL) $(DX_PDF_GOAL)
+
+@DX_COND_doc_TRUE@@DX_DOCDIR@/@PACKAGE@.tag: $(DX_CONFIG) $(pkginclude_HEADERS)
+@DX_COND_doc_TRUE@	rm -rf @DX_DOCDIR@
+@DX_COND_doc_TRUE@	$(DX_ENV) $(DX_DOXYGEN) $(srcdir)/$(DX_CONFIG)
+
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
 .NOEXPORT:
diff --git a/aminclude.am b/aminclude.am
new file mode 100644
index 0000000..65f6515
--- /dev/null
+++ b/aminclude.am
@@ -0,0 +1,158 @@
+# This file is copied from http://www.gnu.org/software/autoconf-archive/ax_prog_doxygen.html
+
+## --------------------------------- ##
+## Format-independent Doxygen rules. ##
+## --------------------------------- ##
+
+if DX_COND_doc
+
+## ------------------------------- ##
+## Rules specific for HTML output. ##
+## ------------------------------- ##
+
+if DX_COND_html
+
+DX_CLEAN_HTML = @DX_DOCDIR@/html
+
+endif DX_COND_html
+
+## ------------------------------ ##
+## Rules specific for CHM output. ##
+## ------------------------------ ##
+
+if DX_COND_chm
+
+DX_CLEAN_CHM = @DX_DOCDIR@/chm
+
+if DX_COND_chi
+
+DX_CLEAN_CHI = @DX_DOCDIR@/@PACKAGE@.chi
+
+endif DX_COND_chi
+
+endif DX_COND_chm
+
+## ------------------------------ ##
+## Rules specific for MAN output. ##
+## ------------------------------ ##
+
+if DX_COND_man
+
+DX_CLEAN_MAN = @DX_DOCDIR@/man
+
+endif DX_COND_man
+
+## ------------------------------ ##
+## Rules specific for RTF output. ##
+## ------------------------------ ##
+
+if DX_COND_rtf
+
+DX_CLEAN_RTF = @DX_DOCDIR@/rtf
+
+endif DX_COND_rtf
+
+## ------------------------------ ##
+## Rules specific for XML output. ##
+## ------------------------------ ##
+
+if DX_COND_xml
+
+DX_CLEAN_XML = @DX_DOCDIR@/xml
+
+endif DX_COND_xml
+
+## ----------------------------- ##
+## Rules specific for PS output. ##
+## ----------------------------- ##
+
+if DX_COND_ps
+
+DX_CLEAN_PS = @DX_DOCDIR@/@PACKAGE@.ps
+
+DX_PS_GOAL = doxygen-ps
+
+doxygen-ps: @DX_DOCDIR@/@PACKAGE@.ps
+
+@DX_DOCDIR@/@PACKAGE@.ps: @DX_DOCDIR@/@PACKAGE@.tag
+	cd @DX_DOCDIR@/latex; \
+	rm -f *.aux *.toc *.idx *.ind *.ilg *.log *.out; \
+	$(DX_LATEX) refman.tex; \
+	$(MAKEINDEX_PATH) refman.idx; \
+	$(DX_LATEX) refman.tex; \
+	countdown=5; \
+	while $(DX_EGREP) 'Rerun (LaTeX|to get cross-references right)' \
+	                  refman.log > /dev/null 2>&1 \
+	   && test $$countdown -gt 0; do \
+	    $(DX_LATEX) refman.tex; \
+	    countdown=`expr $$countdown - 1`; \
+	done; \
+	$(DX_DVIPS) -o ../@PACKAGE@.ps refman.dvi
+
+endif DX_COND_ps
+
+## ------------------------------ ##
+## Rules specific for PDF output. ##
+## ------------------------------ ##
+
+if DX_COND_pdf
+
+DX_CLEAN_PDF = @DX_DOCDIR@/@PACKAGE@.pdf
+
+DX_PDF_GOAL = doxygen-pdf
+
+doxygen-pdf: @DX_DOCDIR@/@PACKAGE@.pdf
+
+@DX_DOCDIR@/@PACKAGE@.pdf: @DX_DOCDIR@/@PACKAGE@.tag
+	cd @DX_DOCDIR@/latex; \
+	rm -f *.aux *.toc *.idx *.ind *.ilg *.log *.out; \
+	$(DX_PDFLATEX) refman.tex; \
+	$(DX_MAKEINDEX) refman.idx; \
+	$(DX_PDFLATEX) refman.tex; \
+	countdown=5; \
+	while $(DX_EGREP) 'Rerun (LaTeX|to get cross-references right)' \
+	                  refman.log > /dev/null 2>&1 \
+	   && test $$countdown -gt 0; do \
+	    $(DX_PDFLATEX) refman.tex; \
+	    countdown=`expr $$countdown - 1`; \
+	done; \
+	mv refman.pdf ../@PACKAGE@.pdf
+
+endif DX_COND_pdf
+
+## ------------------------------------------------- ##
+## Rules specific for LaTeX (shared for PS and PDF). ##
+## ------------------------------------------------- ##
+
+if DX_COND_latex
+
+DX_CLEAN_LATEX = @DX_DOCDIR@/latex
+
+endif DX_COND_latex
+
+.PHONY: doxygen-run doxygen-doc $(DX_PS_GOAL) $(DX_PDF_GOAL)
+
+.INTERMEDIATE: doxygen-run $(DX_PS_GOAL) $(DX_PDF_GOAL)
+
+doxygen-run: @DX_DOCDIR@/@PACKAGE@.tag
+
+doxygen-doc: doxygen-run $(DX_PS_GOAL) $(DX_PDF_GOAL)
+
+@DX_DOCDIR@/@PACKAGE@.tag: $(DX_CONFIG) $(pkginclude_HEADERS)
+	rm -rf @DX_DOCDIR@
+	$(DX_ENV) $(DX_DOXYGEN) $(srcdir)/$(DX_CONFIG)
+
+DX_CLEANFILES = \
+    @DX_DOCDIR@/@PACKAGE@.tag \
+    -r \
+    $(DX_CLEAN_HTML) \
+    $(DX_CLEAN_CHM) \
+    $(DX_CLEAN_CHI) \
+    $(DX_CLEAN_MAN) \
+    $(DX_CLEAN_RTF) \
+    $(DX_CLEAN_XML) \
+    $(DX_CLEAN_PS) \
+    $(DX_CLEAN_PDF) \
+    $(DX_CLEAN_LATEX)
+
+endif DX_COND_doc
diff --git a/configure b/configure
index cf66360..226bbb5 100755
--- a/configure
+++ b/configure
@@ -585,6 +585,52 @@
 am__EXEEXT_TRUE
 LTLIBOBJS
 LIBOBJS
+DOXYGEN_PAPER_SIZE
+DX_COND_latex_FALSE
+DX_COND_latex_TRUE
+DX_COND_pdf_FALSE
+DX_COND_pdf_TRUE
+DX_PDFLATEX
+DX_FLAG_pdf
+DX_COND_ps_FALSE
+DX_COND_ps_TRUE
+DX_EGREP
+DX_DVIPS
+DX_MAKEINDEX
+DX_LATEX
+DX_FLAG_ps
+DX_COND_html_FALSE
+DX_COND_html_TRUE
+DX_FLAG_html
+DX_COND_chi_FALSE
+DX_COND_chi_TRUE
+DX_FLAG_chi
+DX_COND_chm_FALSE
+DX_COND_chm_TRUE
+DX_HHC
+DX_FLAG_chm
+DX_COND_xml_FALSE
+DX_COND_xml_TRUE
+DX_FLAG_xml
+DX_COND_rtf_FALSE
+DX_COND_rtf_TRUE
+DX_FLAG_rtf
+DX_COND_man_FALSE
+DX_COND_man_TRUE
+DX_FLAG_man
+DX_COND_dot_FALSE
+DX_COND_dot_TRUE
+DX_DOT
+DX_FLAG_dot
+DX_COND_doc_FALSE
+DX_COND_doc_TRUE
+DX_PERL
+DX_DOXYGEN
+DX_FLAG_doc
+DX_ENV
+DX_DOCDIR
+DX_CONFIG
+DX_PROJECT
 HAVE_CXX11
 am__fastdepCC_FALSE
 am__fastdepCC_TRUE
@@ -682,6 +728,16 @@
 enable_option_checking
 enable_silent_rules
 enable_dependency_tracking
+enable_doxygen_doc
+enable_doxygen_dot
+enable_doxygen_man
+enable_doxygen_rtf
+enable_doxygen_xml
+enable_doxygen_chm
+enable_doxygen_chi
+enable_doxygen_html
+enable_doxygen_ps
+enable_doxygen_pdf
 '
       ac_precious_vars='build_alias
 host_alias
@@ -693,7 +749,8 @@
 CPPFLAGS
 CCC
 CC
-CFLAGS'
+CFLAGS
+DOXYGEN_PAPER_SIZE'
 
 
 # Initialize some variables set by options.
@@ -1314,6 +1371,17 @@
                           do not reject slow dependency extractors
   --disable-dependency-tracking
                           speeds up one-time build
+  --disable-doxygen-doc   don't generate any doxygen documentation
+  --enable-doxygen-dot    generate graphics for doxygen documentation
+  --enable-doxygen-man    generate doxygen manual pages
+  --enable-doxygen-rtf    generate doxygen RTF documentation
+  --enable-doxygen-xml    generate doxygen XML documentation
+  --enable-doxygen-chm    generate doxygen compressed HTML help documentation
+  --enable-doxygen-chi    generate doxygen seperate compressed HTML help index
+                          file
+  --disable-doxygen-html  don't generate doxygen plain HTML documentation
+  --enable-doxygen-ps     generate doxygen PostScript documentation
+  --enable-doxygen-pdf    generate doxygen PDF documentation
 
 Some influential environment variables:
   CXX         C++ compiler command
@@ -1325,6 +1393,8 @@
               you have headers in a nonstandard directory <include dir>
   CC          C compiler command
   CFLAGS      C compiler flags
+  DOXYGEN_PAPER_SIZE
+              a4wide (default), a4, letter, legal or executive
 
 Use these variables to override the choices made by `configure' or to help
 it to find libraries and programs with nonstandard names/locations.
@@ -4267,6 +4337,1844 @@
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
+
+
+
+
+
+
+
+
+
+
+# Files:
+DX_PROJECT=$PACKAGE_NAME
+
+DX_CONFIG=Doxyfile
+
+DX_DOCDIR=doxygen-doc
+
+
+# Environment variables used inside doxygen.cfg:
+DX_ENV="$DX_ENV SRCDIR='$srcdir'"
+
+DX_ENV="$DX_ENV PROJECT='$DX_PROJECT'"
+
+DX_ENV="$DX_ENV DOCDIR='$DX_DOCDIR'"
+
+DX_ENV="$DX_ENV VERSION='$PACKAGE_VERSION'"
+
+
+# Doxygen itself:
+
+
+
+    # Check whether --enable-doxygen-doc was given.
+if test "${enable_doxygen_doc+set}" = set; then :
+  enableval=$enable_doxygen_doc;
+case "$enableval" in
+#(
+y|Y|yes|Yes|YES)
+    DX_FLAG_doc=1
+
+
+;; #(
+n|N|no|No|NO)
+    DX_FLAG_doc=0
+
+;; #(
+*)
+    as_fn_error $? "invalid value '$enableval' given to doxygen-doc" "$LINENO" 5
+;;
+esac
+
+else
+
+DX_FLAG_doc=1
+
+
+
+fi
+
+if test "$DX_FLAG_doc" = 1; then
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}doxygen", so it can be a program name with args.
+set dummy ${ac_tool_prefix}doxygen; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_DX_DOXYGEN+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $DX_DOXYGEN in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_DX_DOXYGEN="$DX_DOXYGEN" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_DX_DOXYGEN="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+DX_DOXYGEN=$ac_cv_path_DX_DOXYGEN
+if test -n "$DX_DOXYGEN"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DX_DOXYGEN" >&5
+$as_echo "$DX_DOXYGEN" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_DX_DOXYGEN"; then
+  ac_pt_DX_DOXYGEN=$DX_DOXYGEN
+  # Extract the first word of "doxygen", so it can be a program name with args.
+set dummy doxygen; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_ac_pt_DX_DOXYGEN+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $ac_pt_DX_DOXYGEN in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_DX_DOXYGEN="$ac_pt_DX_DOXYGEN" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_DX_DOXYGEN="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_DX_DOXYGEN=$ac_cv_path_ac_pt_DX_DOXYGEN
+if test -n "$ac_pt_DX_DOXYGEN"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_DX_DOXYGEN" >&5
+$as_echo "$ac_pt_DX_DOXYGEN" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_pt_DX_DOXYGEN" = x; then
+    DX_DOXYGEN=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DX_DOXYGEN=$ac_pt_DX_DOXYGEN
+  fi
+else
+  DX_DOXYGEN="$ac_cv_path_DX_DOXYGEN"
+fi
+
+if test "$DX_FLAG_doc$DX_DOXYGEN" = 1; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: doxygen not found - will not generate any doxygen documentation" >&5
+$as_echo "$as_me: WARNING: doxygen not found - will not generate any doxygen documentation" >&2;}
+    DX_FLAG_doc=0
+
+fi
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}perl", so it can be a program name with args.
+set dummy ${ac_tool_prefix}perl; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_DX_PERL+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $DX_PERL in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_DX_PERL="$DX_PERL" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_DX_PERL="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+DX_PERL=$ac_cv_path_DX_PERL
+if test -n "$DX_PERL"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DX_PERL" >&5
+$as_echo "$DX_PERL" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_DX_PERL"; then
+  ac_pt_DX_PERL=$DX_PERL
+  # Extract the first word of "perl", so it can be a program name with args.
+set dummy perl; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_ac_pt_DX_PERL+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $ac_pt_DX_PERL in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_DX_PERL="$ac_pt_DX_PERL" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_DX_PERL="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_DX_PERL=$ac_cv_path_ac_pt_DX_PERL
+if test -n "$ac_pt_DX_PERL"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_DX_PERL" >&5
+$as_echo "$ac_pt_DX_PERL" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_pt_DX_PERL" = x; then
+    DX_PERL=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DX_PERL=$ac_pt_DX_PERL
+  fi
+else
+  DX_PERL="$ac_cv_path_DX_PERL"
+fi
+
+if test "$DX_FLAG_doc$DX_PERL" = 1; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: perl not found - will not generate any doxygen documentation" >&5
+$as_echo "$as_me: WARNING: perl not found - will not generate any doxygen documentation" >&2;}
+    DX_FLAG_doc=0
+
+fi
+
+    :
+fi
+ if test "$DX_FLAG_doc" = 1; then
+  DX_COND_doc_TRUE=
+  DX_COND_doc_FALSE='#'
+else
+  DX_COND_doc_TRUE='#'
+  DX_COND_doc_FALSE=
+fi
+
+if test "$DX_FLAG_doc" = 1; then
+    DX_ENV="$DX_ENV PERL_PATH='$DX_PERL'"
+
+    :
+else
+
+    :
+fi
+
+
+# Dot for graphics:
+
+
+
+    # Check whether --enable-doxygen-dot was given.
+if test "${enable_doxygen_dot+set}" = set; then :
+  enableval=$enable_doxygen_dot;
+case "$enableval" in
+#(
+y|Y|yes|Yes|YES)
+    DX_FLAG_dot=1
+
+
+test "$DX_FLAG_doc" = "1" \
+|| as_fn_error $? "doxygen-dot requires doxygen-dot" "$LINENO" 5
+
+;; #(
+n|N|no|No|NO)
+    DX_FLAG_dot=0
+
+;; #(
+*)
+    as_fn_error $? "invalid value '$enableval' given to doxygen-dot" "$LINENO" 5
+;;
+esac
+
+else
+
+DX_FLAG_dot=0
+
+
+test "$DX_FLAG_doc" = "1" || DX_FLAG_dot=0
+
+
+
+fi
+
+if test "$DX_FLAG_dot" = 1; then
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}dot", so it can be a program name with args.
+set dummy ${ac_tool_prefix}dot; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_DX_DOT+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $DX_DOT in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_DX_DOT="$DX_DOT" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_DX_DOT="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+DX_DOT=$ac_cv_path_DX_DOT
+if test -n "$DX_DOT"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DX_DOT" >&5
+$as_echo "$DX_DOT" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_DX_DOT"; then
+  ac_pt_DX_DOT=$DX_DOT
+  # Extract the first word of "dot", so it can be a program name with args.
+set dummy dot; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_ac_pt_DX_DOT+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $ac_pt_DX_DOT in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_DX_DOT="$ac_pt_DX_DOT" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_DX_DOT="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_DX_DOT=$ac_cv_path_ac_pt_DX_DOT
+if test -n "$ac_pt_DX_DOT"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_DX_DOT" >&5
+$as_echo "$ac_pt_DX_DOT" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_pt_DX_DOT" = x; then
+    DX_DOT=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DX_DOT=$ac_pt_DX_DOT
+  fi
+else
+  DX_DOT="$ac_cv_path_DX_DOT"
+fi
+
+if test "$DX_FLAG_dot$DX_DOT" = 1; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: dot not found - will not generate graphics for doxygen documentation" >&5
+$as_echo "$as_me: WARNING: dot not found - will not generate graphics for doxygen documentation" >&2;}
+    DX_FLAG_dot=0
+
+fi
+
+    :
+fi
+ if test "$DX_FLAG_dot" = 1; then
+  DX_COND_dot_TRUE=
+  DX_COND_dot_FALSE='#'
+else
+  DX_COND_dot_TRUE='#'
+  DX_COND_dot_FALSE=
+fi
+
+if test "$DX_FLAG_dot" = 1; then
+    DX_ENV="$DX_ENV HAVE_DOT='YES'"
+
+             DX_ENV="$DX_ENV DOT_PATH='`expr ".$DX_DOT" : '\(\.\)[^/]*$' \| "x$DX_DOT" : 'x\(.*\)/[^/]*$'`'"
+
+    :
+else
+    DX_ENV="$DX_ENV HAVE_DOT='NO'"
+
+    :
+fi
+
+
+# Man pages generation:
+
+
+
+    # Check whether --enable-doxygen-man was given.
+if test "${enable_doxygen_man+set}" = set; then :
+  enableval=$enable_doxygen_man;
+case "$enableval" in
+#(
+y|Y|yes|Yes|YES)
+    DX_FLAG_man=1
+
+
+test "$DX_FLAG_doc" = "1" \
+|| as_fn_error $? "doxygen-man requires doxygen-man" "$LINENO" 5
+
+;; #(
+n|N|no|No|NO)
+    DX_FLAG_man=0
+
+;; #(
+*)
+    as_fn_error $? "invalid value '$enableval' given to doxygen-man" "$LINENO" 5
+;;
+esac
+
+else
+
+DX_FLAG_man=0
+
+
+test "$DX_FLAG_doc" = "1" || DX_FLAG_man=0
+
+
+
+fi
+
+if test "$DX_FLAG_man" = 1; then
+
+    :
+fi
+ if test "$DX_FLAG_man" = 1; then
+  DX_COND_man_TRUE=
+  DX_COND_man_FALSE='#'
+else
+  DX_COND_man_TRUE='#'
+  DX_COND_man_FALSE=
+fi
+
+if test "$DX_FLAG_man" = 1; then
+    DX_ENV="$DX_ENV GENERATE_MAN='YES'"
+
+    :
+else
+    DX_ENV="$DX_ENV GENERATE_MAN='NO'"
+
+    :
+fi
+
+
+# RTF file generation:
+
+
+
+    # Check whether --enable-doxygen-rtf was given.
+if test "${enable_doxygen_rtf+set}" = set; then :
+  enableval=$enable_doxygen_rtf;
+case "$enableval" in
+#(
+y|Y|yes|Yes|YES)
+    DX_FLAG_rtf=1
+
+
+test "$DX_FLAG_doc" = "1" \
+|| as_fn_error $? "doxygen-rtf requires doxygen-rtf" "$LINENO" 5
+
+;; #(
+n|N|no|No|NO)
+    DX_FLAG_rtf=0
+
+;; #(
+*)
+    as_fn_error $? "invalid value '$enableval' given to doxygen-rtf" "$LINENO" 5
+;;
+esac
+
+else
+
+DX_FLAG_rtf=0
+
+
+test "$DX_FLAG_doc" = "1" || DX_FLAG_rtf=0
+
+
+
+fi
+
+if test "$DX_FLAG_rtf" = 1; then
+
+    :
+fi
+ if test "$DX_FLAG_rtf" = 1; then
+  DX_COND_rtf_TRUE=
+  DX_COND_rtf_FALSE='#'
+else
+  DX_COND_rtf_TRUE='#'
+  DX_COND_rtf_FALSE=
+fi
+
+if test "$DX_FLAG_rtf" = 1; then
+    DX_ENV="$DX_ENV GENERATE_RTF='YES'"
+
+    :
+else
+    DX_ENV="$DX_ENV GENERATE_RTF='NO'"
+
+    :
+fi
+
+
+# XML file generation:
+
+
+
+    # Check whether --enable-doxygen-xml was given.
+if test "${enable_doxygen_xml+set}" = set; then :
+  enableval=$enable_doxygen_xml;
+case "$enableval" in
+#(
+y|Y|yes|Yes|YES)
+    DX_FLAG_xml=1
+
+
+test "$DX_FLAG_doc" = "1" \
+|| as_fn_error $? "doxygen-xml requires doxygen-xml" "$LINENO" 5
+
+;; #(
+n|N|no|No|NO)
+    DX_FLAG_xml=0
+
+;; #(
+*)
+    as_fn_error $? "invalid value '$enableval' given to doxygen-xml" "$LINENO" 5
+;;
+esac
+
+else
+
+DX_FLAG_xml=0
+
+
+test "$DX_FLAG_doc" = "1" || DX_FLAG_xml=0
+
+
+
+fi
+
+if test "$DX_FLAG_xml" = 1; then
+
+    :
+fi
+ if test "$DX_FLAG_xml" = 1; then
+  DX_COND_xml_TRUE=
+  DX_COND_xml_FALSE='#'
+else
+  DX_COND_xml_TRUE='#'
+  DX_COND_xml_FALSE=
+fi
+
+if test "$DX_FLAG_xml" = 1; then
+    DX_ENV="$DX_ENV GENERATE_XML='YES'"
+
+    :
+else
+    DX_ENV="$DX_ENV GENERATE_XML='NO'"
+
+    :
+fi
+
+
+# (Compressed) HTML help generation:
+
+
+
+    # Check whether --enable-doxygen-chm was given.
+if test "${enable_doxygen_chm+set}" = set; then :
+  enableval=$enable_doxygen_chm;
+case "$enableval" in
+#(
+y|Y|yes|Yes|YES)
+    DX_FLAG_chm=1
+
+
+test "$DX_FLAG_doc" = "1" \
+|| as_fn_error $? "doxygen-chm requires doxygen-chm" "$LINENO" 5
+
+;; #(
+n|N|no|No|NO)
+    DX_FLAG_chm=0
+
+;; #(
+*)
+    as_fn_error $? "invalid value '$enableval' given to doxygen-chm" "$LINENO" 5
+;;
+esac
+
+else
+
+DX_FLAG_chm=0
+
+
+test "$DX_FLAG_doc" = "1" || DX_FLAG_chm=0
+
+
+
+fi
+
+if test "$DX_FLAG_chm" = 1; then
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}hhc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}hhc; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_DX_HHC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $DX_HHC in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_DX_HHC="$DX_HHC" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_DX_HHC="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+DX_HHC=$ac_cv_path_DX_HHC
+if test -n "$DX_HHC"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DX_HHC" >&5
+$as_echo "$DX_HHC" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_DX_HHC"; then
+  ac_pt_DX_HHC=$DX_HHC
+  # Extract the first word of "hhc", so it can be a program name with args.
+set dummy hhc; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_ac_pt_DX_HHC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $ac_pt_DX_HHC in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_DX_HHC="$ac_pt_DX_HHC" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_DX_HHC="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_DX_HHC=$ac_cv_path_ac_pt_DX_HHC
+if test -n "$ac_pt_DX_HHC"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_DX_HHC" >&5
+$as_echo "$ac_pt_DX_HHC" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_pt_DX_HHC" = x; then
+    DX_HHC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DX_HHC=$ac_pt_DX_HHC
+  fi
+else
+  DX_HHC="$ac_cv_path_DX_HHC"
+fi
+
+if test "$DX_FLAG_chm$DX_HHC" = 1; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: hhc not found - will not generate doxygen compressed HTML help documentation" >&5
+$as_echo "$as_me: WARNING: hhc not found - will not generate doxygen compressed HTML help documentation" >&2;}
+    DX_FLAG_chm=0
+
+fi
+
+    :
+fi
+ if test "$DX_FLAG_chm" = 1; then
+  DX_COND_chm_TRUE=
+  DX_COND_chm_FALSE='#'
+else
+  DX_COND_chm_TRUE='#'
+  DX_COND_chm_FALSE=
+fi
+
+if test "$DX_FLAG_chm" = 1; then
+    DX_ENV="$DX_ENV HHC_PATH='$DX_HHC'"
+
+             DX_ENV="$DX_ENV GENERATE_HTML='YES'"
+
+             DX_ENV="$DX_ENV GENERATE_HTMLHELP='YES'"
+
+    :
+else
+    DX_ENV="$DX_ENV GENERATE_HTMLHELP='NO'"
+
+    :
+fi
+
+
+# Seperate CHI file generation.
+
+
+
+    # Check whether --enable-doxygen-chi was given.
+if test "${enable_doxygen_chi+set}" = set; then :
+  enableval=$enable_doxygen_chi;
+case "$enableval" in
+#(
+y|Y|yes|Yes|YES)
+    DX_FLAG_chi=1
+
+
+test "$DX_FLAG_chm" = "1" \
+|| as_fn_error $? "doxygen-chi requires doxygen-chi" "$LINENO" 5
+
+;; #(
+n|N|no|No|NO)
+    DX_FLAG_chi=0
+
+;; #(
+*)
+    as_fn_error $? "invalid value '$enableval' given to doxygen-chi" "$LINENO" 5
+;;
+esac
+
+else
+
+DX_FLAG_chi=0
+
+
+test "$DX_FLAG_chm" = "1" || DX_FLAG_chi=0
+
+
+
+fi
+
+if test "$DX_FLAG_chi" = 1; then
+
+    :
+fi
+ if test "$DX_FLAG_chi" = 1; then
+  DX_COND_chi_TRUE=
+  DX_COND_chi_FALSE='#'
+else
+  DX_COND_chi_TRUE='#'
+  DX_COND_chi_FALSE=
+fi
+
+if test "$DX_FLAG_chi" = 1; then
+    DX_ENV="$DX_ENV GENERATE_CHI='YES'"
+
+    :
+else
+    DX_ENV="$DX_ENV GENERATE_CHI='NO'"
+
+    :
+fi
+
+
+# Plain HTML pages generation:
+
+
+
+    # Check whether --enable-doxygen-html was given.
+if test "${enable_doxygen_html+set}" = set; then :
+  enableval=$enable_doxygen_html;
+case "$enableval" in
+#(
+y|Y|yes|Yes|YES)
+    DX_FLAG_html=1
+
+
+test "$DX_FLAG_doc" = "1" \
+|| as_fn_error $? "doxygen-html requires doxygen-html" "$LINENO" 5
+
+test "$DX_FLAG_chm" = "0" \
+|| as_fn_error $? "doxygen-html contradicts doxygen-html" "$LINENO" 5
+
+;; #(
+n|N|no|No|NO)
+    DX_FLAG_html=0
+
+;; #(
+*)
+    as_fn_error $? "invalid value '$enableval' given to doxygen-html" "$LINENO" 5
+;;
+esac
+
+else
+
+DX_FLAG_html=1
+
+
+test "$DX_FLAG_doc" = "1" || DX_FLAG_html=0
+
+
+test "$DX_FLAG_chm" = "0" || DX_FLAG_html=0
+
+
+
+fi
+
+if test "$DX_FLAG_html" = 1; then
+
+    :
+fi
+ if test "$DX_FLAG_html" = 1; then
+  DX_COND_html_TRUE=
+  DX_COND_html_FALSE='#'
+else
+  DX_COND_html_TRUE='#'
+  DX_COND_html_FALSE=
+fi
+
+if test "$DX_FLAG_html" = 1; then
+    DX_ENV="$DX_ENV GENERATE_HTML='YES'"
+
+    :
+else
+    test "$DX_FLAG_chm" = 1 || DX_ENV="$DX_ENV GENERATE_HTML='NO'"
+
+    :
+fi
+
+
+# PostScript file generation:
+
+
+
+    # Check whether --enable-doxygen-ps was given.
+if test "${enable_doxygen_ps+set}" = set; then :
+  enableval=$enable_doxygen_ps;
+case "$enableval" in
+#(
+y|Y|yes|Yes|YES)
+    DX_FLAG_ps=1
+
+
+test "$DX_FLAG_doc" = "1" \
+|| as_fn_error $? "doxygen-ps requires doxygen-ps" "$LINENO" 5
+
+;; #(
+n|N|no|No|NO)
+    DX_FLAG_ps=0
+
+;; #(
+*)
+    as_fn_error $? "invalid value '$enableval' given to doxygen-ps" "$LINENO" 5
+;;
+esac
+
+else
+
+DX_FLAG_ps=0
+
+
+test "$DX_FLAG_doc" = "1" || DX_FLAG_ps=0
+
+
+
+fi
+
+if test "$DX_FLAG_ps" = 1; then
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}latex", so it can be a program name with args.
+set dummy ${ac_tool_prefix}latex; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_DX_LATEX+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $DX_LATEX in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_DX_LATEX="$DX_LATEX" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_DX_LATEX="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+DX_LATEX=$ac_cv_path_DX_LATEX
+if test -n "$DX_LATEX"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DX_LATEX" >&5
+$as_echo "$DX_LATEX" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_DX_LATEX"; then
+  ac_pt_DX_LATEX=$DX_LATEX
+  # Extract the first word of "latex", so it can be a program name with args.
+set dummy latex; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_ac_pt_DX_LATEX+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $ac_pt_DX_LATEX in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_DX_LATEX="$ac_pt_DX_LATEX" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_DX_LATEX="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_DX_LATEX=$ac_cv_path_ac_pt_DX_LATEX
+if test -n "$ac_pt_DX_LATEX"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_DX_LATEX" >&5
+$as_echo "$ac_pt_DX_LATEX" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_pt_DX_LATEX" = x; then
+    DX_LATEX=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DX_LATEX=$ac_pt_DX_LATEX
+  fi
+else
+  DX_LATEX="$ac_cv_path_DX_LATEX"
+fi
+
+if test "$DX_FLAG_ps$DX_LATEX" = 1; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: latex not found - will not generate doxygen PostScript documentation" >&5
+$as_echo "$as_me: WARNING: latex not found - will not generate doxygen PostScript documentation" >&2;}
+    DX_FLAG_ps=0
+
+fi
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}makeindex", so it can be a program name with args.
+set dummy ${ac_tool_prefix}makeindex; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_DX_MAKEINDEX+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $DX_MAKEINDEX in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_DX_MAKEINDEX="$DX_MAKEINDEX" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_DX_MAKEINDEX="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+DX_MAKEINDEX=$ac_cv_path_DX_MAKEINDEX
+if test -n "$DX_MAKEINDEX"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DX_MAKEINDEX" >&5
+$as_echo "$DX_MAKEINDEX" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_DX_MAKEINDEX"; then
+  ac_pt_DX_MAKEINDEX=$DX_MAKEINDEX
+  # Extract the first word of "makeindex", so it can be a program name with args.
+set dummy makeindex; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_ac_pt_DX_MAKEINDEX+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $ac_pt_DX_MAKEINDEX in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_DX_MAKEINDEX="$ac_pt_DX_MAKEINDEX" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_DX_MAKEINDEX="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_DX_MAKEINDEX=$ac_cv_path_ac_pt_DX_MAKEINDEX
+if test -n "$ac_pt_DX_MAKEINDEX"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_DX_MAKEINDEX" >&5
+$as_echo "$ac_pt_DX_MAKEINDEX" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_pt_DX_MAKEINDEX" = x; then
+    DX_MAKEINDEX=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DX_MAKEINDEX=$ac_pt_DX_MAKEINDEX
+  fi
+else
+  DX_MAKEINDEX="$ac_cv_path_DX_MAKEINDEX"
+fi
+
+if test "$DX_FLAG_ps$DX_MAKEINDEX" = 1; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: makeindex not found - will not generate doxygen PostScript documentation" >&5
+$as_echo "$as_me: WARNING: makeindex not found - will not generate doxygen PostScript documentation" >&2;}
+    DX_FLAG_ps=0
+
+fi
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}dvips", so it can be a program name with args.
+set dummy ${ac_tool_prefix}dvips; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_DX_DVIPS+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $DX_DVIPS in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_DX_DVIPS="$DX_DVIPS" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_DX_DVIPS="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+DX_DVIPS=$ac_cv_path_DX_DVIPS
+if test -n "$DX_DVIPS"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DX_DVIPS" >&5
+$as_echo "$DX_DVIPS" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_DX_DVIPS"; then
+  ac_pt_DX_DVIPS=$DX_DVIPS
+  # Extract the first word of "dvips", so it can be a program name with args.
+set dummy dvips; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_ac_pt_DX_DVIPS+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $ac_pt_DX_DVIPS in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_DX_DVIPS="$ac_pt_DX_DVIPS" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_DX_DVIPS="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_DX_DVIPS=$ac_cv_path_ac_pt_DX_DVIPS
+if test -n "$ac_pt_DX_DVIPS"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_DX_DVIPS" >&5
+$as_echo "$ac_pt_DX_DVIPS" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_pt_DX_DVIPS" = x; then
+    DX_DVIPS=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DX_DVIPS=$ac_pt_DX_DVIPS
+  fi
+else
+  DX_DVIPS="$ac_cv_path_DX_DVIPS"
+fi
+
+if test "$DX_FLAG_ps$DX_DVIPS" = 1; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: dvips not found - will not generate doxygen PostScript documentation" >&5
+$as_echo "$as_me: WARNING: dvips not found - will not generate doxygen PostScript documentation" >&2;}
+    DX_FLAG_ps=0
+
+fi
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}egrep", so it can be a program name with args.
+set dummy ${ac_tool_prefix}egrep; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_DX_EGREP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $DX_EGREP in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_DX_EGREP="$DX_EGREP" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_DX_EGREP="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+DX_EGREP=$ac_cv_path_DX_EGREP
+if test -n "$DX_EGREP"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DX_EGREP" >&5
+$as_echo "$DX_EGREP" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_DX_EGREP"; then
+  ac_pt_DX_EGREP=$DX_EGREP
+  # Extract the first word of "egrep", so it can be a program name with args.
+set dummy egrep; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_ac_pt_DX_EGREP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $ac_pt_DX_EGREP in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_DX_EGREP="$ac_pt_DX_EGREP" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_DX_EGREP="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_DX_EGREP=$ac_cv_path_ac_pt_DX_EGREP
+if test -n "$ac_pt_DX_EGREP"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_DX_EGREP" >&5
+$as_echo "$ac_pt_DX_EGREP" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_pt_DX_EGREP" = x; then
+    DX_EGREP=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DX_EGREP=$ac_pt_DX_EGREP
+  fi
+else
+  DX_EGREP="$ac_cv_path_DX_EGREP"
+fi
+
+if test "$DX_FLAG_ps$DX_EGREP" = 1; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: egrep not found - will not generate doxygen PostScript documentation" >&5
+$as_echo "$as_me: WARNING: egrep not found - will not generate doxygen PostScript documentation" >&2;}
+    DX_FLAG_ps=0
+
+fi
+
+    :
+fi
+ if test "$DX_FLAG_ps" = 1; then
+  DX_COND_ps_TRUE=
+  DX_COND_ps_FALSE='#'
+else
+  DX_COND_ps_TRUE='#'
+  DX_COND_ps_FALSE=
+fi
+
+if test "$DX_FLAG_ps" = 1; then
+
+    :
+else
+
+    :
+fi
+
+
+# PDF file generation:
+
+
+
+    # Check whether --enable-doxygen-pdf was given.
+if test "${enable_doxygen_pdf+set}" = set; then :
+  enableval=$enable_doxygen_pdf;
+case "$enableval" in
+#(
+y|Y|yes|Yes|YES)
+    DX_FLAG_pdf=1
+
+
+test "$DX_FLAG_doc" = "1" \
+|| as_fn_error $? "doxygen-pdf requires doxygen-pdf" "$LINENO" 5
+
+;; #(
+n|N|no|No|NO)
+    DX_FLAG_pdf=0
+
+;; #(
+*)
+    as_fn_error $? "invalid value '$enableval' given to doxygen-pdf" "$LINENO" 5
+;;
+esac
+
+else
+
+DX_FLAG_pdf=0
+
+
+test "$DX_FLAG_doc" = "1" || DX_FLAG_pdf=0
+
+
+
+fi
+
+if test "$DX_FLAG_pdf" = 1; then
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}pdflatex", so it can be a program name with args.
+set dummy ${ac_tool_prefix}pdflatex; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_DX_PDFLATEX+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $DX_PDFLATEX in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_DX_PDFLATEX="$DX_PDFLATEX" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_DX_PDFLATEX="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+DX_PDFLATEX=$ac_cv_path_DX_PDFLATEX
+if test -n "$DX_PDFLATEX"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DX_PDFLATEX" >&5
+$as_echo "$DX_PDFLATEX" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_DX_PDFLATEX"; then
+  ac_pt_DX_PDFLATEX=$DX_PDFLATEX
+  # Extract the first word of "pdflatex", so it can be a program name with args.
+set dummy pdflatex; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_ac_pt_DX_PDFLATEX+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $ac_pt_DX_PDFLATEX in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_DX_PDFLATEX="$ac_pt_DX_PDFLATEX" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_DX_PDFLATEX="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_DX_PDFLATEX=$ac_cv_path_ac_pt_DX_PDFLATEX
+if test -n "$ac_pt_DX_PDFLATEX"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_DX_PDFLATEX" >&5
+$as_echo "$ac_pt_DX_PDFLATEX" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_pt_DX_PDFLATEX" = x; then
+    DX_PDFLATEX=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DX_PDFLATEX=$ac_pt_DX_PDFLATEX
+  fi
+else
+  DX_PDFLATEX="$ac_cv_path_DX_PDFLATEX"
+fi
+
+if test "$DX_FLAG_pdf$DX_PDFLATEX" = 1; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: pdflatex not found - will not generate doxygen PDF documentation" >&5
+$as_echo "$as_me: WARNING: pdflatex not found - will not generate doxygen PDF documentation" >&2;}
+    DX_FLAG_pdf=0
+
+fi
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}makeindex", so it can be a program name with args.
+set dummy ${ac_tool_prefix}makeindex; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_DX_MAKEINDEX+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $DX_MAKEINDEX in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_DX_MAKEINDEX="$DX_MAKEINDEX" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_DX_MAKEINDEX="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+DX_MAKEINDEX=$ac_cv_path_DX_MAKEINDEX
+if test -n "$DX_MAKEINDEX"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DX_MAKEINDEX" >&5
+$as_echo "$DX_MAKEINDEX" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_DX_MAKEINDEX"; then
+  ac_pt_DX_MAKEINDEX=$DX_MAKEINDEX
+  # Extract the first word of "makeindex", so it can be a program name with args.
+set dummy makeindex; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_ac_pt_DX_MAKEINDEX+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $ac_pt_DX_MAKEINDEX in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_DX_MAKEINDEX="$ac_pt_DX_MAKEINDEX" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_DX_MAKEINDEX="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_DX_MAKEINDEX=$ac_cv_path_ac_pt_DX_MAKEINDEX
+if test -n "$ac_pt_DX_MAKEINDEX"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_DX_MAKEINDEX" >&5
+$as_echo "$ac_pt_DX_MAKEINDEX" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_pt_DX_MAKEINDEX" = x; then
+    DX_MAKEINDEX=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DX_MAKEINDEX=$ac_pt_DX_MAKEINDEX
+  fi
+else
+  DX_MAKEINDEX="$ac_cv_path_DX_MAKEINDEX"
+fi
+
+if test "$DX_FLAG_pdf$DX_MAKEINDEX" = 1; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: makeindex not found - will not generate doxygen PDF documentation" >&5
+$as_echo "$as_me: WARNING: makeindex not found - will not generate doxygen PDF documentation" >&2;}
+    DX_FLAG_pdf=0
+
+fi
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}egrep", so it can be a program name with args.
+set dummy ${ac_tool_prefix}egrep; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_DX_EGREP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $DX_EGREP in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_DX_EGREP="$DX_EGREP" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_DX_EGREP="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+DX_EGREP=$ac_cv_path_DX_EGREP
+if test -n "$DX_EGREP"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DX_EGREP" >&5
+$as_echo "$DX_EGREP" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_DX_EGREP"; then
+  ac_pt_DX_EGREP=$DX_EGREP
+  # Extract the first word of "egrep", so it can be a program name with args.
+set dummy egrep; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_ac_pt_DX_EGREP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $ac_pt_DX_EGREP in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_DX_EGREP="$ac_pt_DX_EGREP" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_DX_EGREP="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_DX_EGREP=$ac_cv_path_ac_pt_DX_EGREP
+if test -n "$ac_pt_DX_EGREP"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_DX_EGREP" >&5
+$as_echo "$ac_pt_DX_EGREP" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_pt_DX_EGREP" = x; then
+    DX_EGREP=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DX_EGREP=$ac_pt_DX_EGREP
+  fi
+else
+  DX_EGREP="$ac_cv_path_DX_EGREP"
+fi
+
+if test "$DX_FLAG_pdf$DX_EGREP" = 1; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: egrep not found - will not generate doxygen PDF documentation" >&5
+$as_echo "$as_me: WARNING: egrep not found - will not generate doxygen PDF documentation" >&2;}
+    DX_FLAG_pdf=0
+
+fi
+
+    :
+fi
+ if test "$DX_FLAG_pdf" = 1; then
+  DX_COND_pdf_TRUE=
+  DX_COND_pdf_FALSE='#'
+else
+  DX_COND_pdf_TRUE='#'
+  DX_COND_pdf_FALSE=
+fi
+
+if test "$DX_FLAG_pdf" = 1; then
+
+    :
+else
+
+    :
+fi
+
+
+# LaTeX generation for PS and/or PDF:
+ if test "$DX_FLAG_ps" = 1 || test "$DX_FLAG_pdf" = 1; then
+  DX_COND_latex_TRUE=
+  DX_COND_latex_FALSE='#'
+else
+  DX_COND_latex_TRUE='#'
+  DX_COND_latex_FALSE=
+fi
+
+if test "$DX_FLAG_ps" = 1 || test "$DX_FLAG_pdf" = 1; then
+    DX_ENV="$DX_ENV GENERATE_LATEX='YES'"
+
+else
+    DX_ENV="$DX_ENV GENERATE_LATEX='NO'"
+
+fi
+
+# Paper size for PS and/or PDF:
+
+case "$DOXYGEN_PAPER_SIZE" in
+#(
+"")
+    DOXYGEN_PAPER_SIZE=""
+
+;; #(
+a4wide|a4|letter|legal|executive)
+    DX_ENV="$DX_ENV PAPER_SIZE='$DOXYGEN_PAPER_SIZE'"
+
+;; #(
+*)
+    as_fn_error $? "unknown DOXYGEN_PAPER_SIZE='$DOXYGEN_PAPER_SIZE'" "$LINENO" 5
+;;
+esac
+
+#For debugging:
+#echo DX_FLAG_doc=$DX_FLAG_doc
+#echo DX_FLAG_dot=$DX_FLAG_dot
+#echo DX_FLAG_man=$DX_FLAG_man
+#echo DX_FLAG_html=$DX_FLAG_html
+#echo DX_FLAG_chm=$DX_FLAG_chm
+#echo DX_FLAG_chi=$DX_FLAG_chi
+#echo DX_FLAG_rtf=$DX_FLAG_rtf
+#echo DX_FLAG_xml=$DX_FLAG_xml
+#echo DX_FLAG_pdf=$DX_FLAG_pdf
+#echo DX_FLAG_ps=$DX_FLAG_ps
+#echo DX_ENV=$DX_ENV
+
+
 ac_config_files="$ac_config_files Makefile"
 
 cat >confcache <<\_ACEOF
@@ -4406,6 +6314,50 @@
   as_fn_error $? "conditional \"am__fastdepCC\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${DX_COND_doc_TRUE}" && test -z "${DX_COND_doc_FALSE}"; then
+  as_fn_error $? "conditional \"DX_COND_doc\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${DX_COND_dot_TRUE}" && test -z "${DX_COND_dot_FALSE}"; then
+  as_fn_error $? "conditional \"DX_COND_dot\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${DX_COND_man_TRUE}" && test -z "${DX_COND_man_FALSE}"; then
+  as_fn_error $? "conditional \"DX_COND_man\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${DX_COND_rtf_TRUE}" && test -z "${DX_COND_rtf_FALSE}"; then
+  as_fn_error $? "conditional \"DX_COND_rtf\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${DX_COND_xml_TRUE}" && test -z "${DX_COND_xml_FALSE}"; then
+  as_fn_error $? "conditional \"DX_COND_xml\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${DX_COND_chm_TRUE}" && test -z "${DX_COND_chm_FALSE}"; then
+  as_fn_error $? "conditional \"DX_COND_chm\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${DX_COND_chi_TRUE}" && test -z "${DX_COND_chi_FALSE}"; then
+  as_fn_error $? "conditional \"DX_COND_chi\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${DX_COND_html_TRUE}" && test -z "${DX_COND_html_FALSE}"; then
+  as_fn_error $? "conditional \"DX_COND_html\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${DX_COND_ps_TRUE}" && test -z "${DX_COND_ps_FALSE}"; then
+  as_fn_error $? "conditional \"DX_COND_ps\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${DX_COND_pdf_TRUE}" && test -z "${DX_COND_pdf_FALSE}"; then
+  as_fn_error $? "conditional \"DX_COND_pdf\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${DX_COND_latex_TRUE}" && test -z "${DX_COND_latex_FALSE}"; then
+  as_fn_error $? "conditional \"DX_COND_latex\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 
 : "${CONFIG_STATUS=./config.status}"
 ac_write_fail=0
diff --git a/configure.ac b/configure.ac
index 8205d9d..3c82010 100644
--- a/configure.ac
+++ b/configure.ac
@@ -34,5 +34,15 @@
     AC_DEFINE_UNQUOTED([HAVE_BOOST_SHARED_PTR], 0, [1 if have the `boost::shared_ptr' class.])
 ])
 
+DX_HTML_FEATURE(ON)
+DX_CHM_FEATURE(OFF)
+DX_CHI_FEATURE(OFF)
+DX_MAN_FEATURE(OFF)
+DX_RTF_FEATURE(OFF)
+DX_XML_FEATURE(OFF)
+DX_PDF_FEATURE(OFF)
+DX_PS_FEATURE(OFF)
+DX_INIT_DOXYGEN([$PACKAGE_NAME],[Doxyfile])
+
 AC_CONFIG_FILES([Makefile])
 AC_OUTPUT