[editorial] add new text for invalid Element ID ranges

ietf-wg-cellar · Aug 3, 2024 · 2624278 · 2624278
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commit 2624278
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/iana_matroska_ids.md b/iana_matroska_ids.md
@@ -21,8 +21,14 @@ One-octet Matroska Element IDs (range 0x80-0xFE) are to be allocated according t
 
 Two-octet Matroska Element IDs (range 0x407F-0x7FFE) are to be allocated according to the "Specification Required" policy [@!RFC8126].
 
+Two-octet Matroska Element IDs between 0x0100 and 0x407E are not valid for use as an Element ID.
+
 Three-octet (range 0x203FFF-0x3FFFFE) and four-octet Matroska Element IDs (range 0x101FFFFF-0x1FFFFFFE) are to be allocated according to the "First Come First Served" policy [@!RFC8126].
 
+Three-octet Matroska Element IDs between 0x010000 and 0x203FFE are not valid for use as an Element ID.
+
+Four-octet Matroska Element IDs between 0x01000000 and 0x101FFFFE are not valid for use as an Element ID.
+
 The allowed values in the "Matroska Element IDs" registry are similar to the ones found
 in the "EBML Element IDs" registry defined in [@!RFC8794, section 17.1].