types: Update TLV code reservations for well-known name components

Change-Id: I45da811e547ea209791f32da206e1b9bd424569a
diff --git a/changelog.rst b/changelog.rst
index 8cc41c0..ba86ec2 100644
--- a/changelog.rst
+++ b/changelog.rst
@@ -27,7 +27,15 @@
 
   + Lift restriction on name component types, allowing types in the range ``1`` - ``32767``
   + Correct definition of name URI encoding: disallow unescaped encoding of PLUS ``+`` and allow TILDE ``~``
-  + Add ``ParametersSha256DigestComponent``
+  + Add well-known special-use component types:
+
+    - ``ParametersSha256DigestComponent`` (type 2)
+    - ``KeywordNameComponent`` (type 32)
+    - ``SegmentNameComponent`` (type 50)
+    - ``ByteOffsetNameComponent`` (type 52)
+    - ``VersionNameComponent`` (type 54)
+    - ``TimestampNameComponent`` (type 56)
+    - ``SequenceNumNameComponent`` (type 58)
 
 - **Signature**
 
diff --git a/types.rst b/types.rst
index be8070b..eace2c6 100644
--- a/types.rst
+++ b/types.rst
@@ -17,12 +17,26 @@
 +---------------------------------------------+------------------+-----------------+
 | Name                                        | 7                | 0x07            |
 +---------------------------------------------+------------------+-----------------+
+|                      `Name component types`_                                     |
++---------------------------------------------+------------------+-----------------+
 | GenericNameComponent                        | 8                | 0x08            |
 +---------------------------------------------+------------------+-----------------+
 | ImplicitSha256DigestComponent               | 1                | 0x01            |
 +---------------------------------------------+------------------+-----------------+
 | ParametersSha256DigestComponent             | 2                | 0x02            |
 +---------------------------------------------+------------------+-----------------+
+| KeywordNameComponent                        | 32 (non-critical)| 0x20            |
++---------------------------------------------+------------------+-----------------+
+| SegmentNameComponent                        | 50 (non-critical)| 0x32            |
++---------------------------------------------+------------------+-----------------+
+| ByteOffsetNameComponent                     | 52 (non-critical)| 0x34            |
++---------------------------------------------+------------------+-----------------+
+| VersionNameComponent                        | 54 (non-critical)| 0x36            |
++---------------------------------------------+------------------+-----------------+
+| TimestampNameComponent                      | 56 (non-critical)| 0x38            |
++---------------------------------------------+------------------+-----------------+
+| SequenceNumNameComponent                    | 58 (non-critical)| 0x3a            |
++---------------------------------------------+------------------+-----------------+
 |                     **Interest packet**                                          |
 +---------------------------------------------+------------------+-----------------+
 | CanBePrefix                                 | 33               | 0x21            |
@@ -81,6 +95,22 @@
 +---------------------------------------------+------------------+-----------------+
 | Preference                                  | 30               | 0x1e            |
 +---------------------------------------------+------------------+-----------------+
+|                     `NDN Certificates`_                                          |
++---------------------------------------------+------------------+-----------------+
+| ValidityPeriod                              | 253              | 0xfd            |
++---------------------------------------------+------------------+-----------------+
+| NotBefore                                   | 254              | 0xfe            |
++---------------------------------------------+------------------+-----------------+
+| NotAfter                                    | 255              | 0xff            |
++---------------------------------------------+------------------+-----------------+
+| AdditionalDescription (non-critical)        | 258              | 0x0102          |
++---------------------------------------------+------------------+-----------------+
+| DescriptionEntry                            | 512              | 0x0200          |
++---------------------------------------------+------------------+-----------------+
+| DescriptionKey                              | 513              | 0x0201          |
++---------------------------------------------+------------------+-----------------+
+| DescriptionValue                            | 514              | 0x0202          |
++---------------------------------------------+------------------+-----------------+
 
 .. note::
     The ABNF grammar of this specification denotes the TLV-TYPE of element ``X`` as ``X-TYPE``.
@@ -110,14 +140,9 @@
 +----------------+-----------------------------------------------------------+
 | 19             | Reserved, formerly `Any`                                  |
 +----------------+-----------------------------------------------------------+
-| 32             | Reserved, formerly `SelectedDelegation`                   |
-+----------------+-----------------------------------------------------------+
 | [80, 100]      | Reserved for assignments related to local-link data       |
 |                | processing, e.g., `NDNLP`_, etc. (1-byte encoding)        |
 +----------------+-----------------------------------------------------------+
-| [101, 127]     | Reserved for assignments related to the forwarder         |
-|                | (1-byte encoding)                                         |
-+----------------+-----------------------------------------------------------+
 | all other      |                                                           |
 | numbers in     |                                                           |
 | [1, 127]       | Reserved for future assignments (1-byte encoding)         |
@@ -127,11 +152,15 @@
 | [800, 1000]    | Reserved for assignments related to local-link data       |
 |                | processing, e.g., `NDNLP`_, etc. (3-byte encoding)        |
 +----------------+-----------------------------------------------------------+
-| all other      | Reserved for future assignments (3-byte encoding)         |
+| all other      |                                                           |
 | numbers in     |                                                           |
-| [253, 32767]   |                                                           |
+| [253, 32767]   | Reserved for future assignments (3-byte encoding)         |
 +----------------+-----------------------------------------------------------+
 | >32767         | For application use (3-byte or 5-byte encoding)           |
 +----------------+-----------------------------------------------------------+
 
 .. _NDNLP: https://redmine.named-data.net/projects/nfd/wiki/NDNLPv2
+
+.. _NDN Certificates: https://named-data.net/doc/ndn-cxx/current/specs/certificate-format.html
+
+.. _Name component types: https://redmine.named-data.net/projects/ndn-tlv/wiki/NameComponentType