Errata — Glossary, Appendix A

Formatting of items in glossary is not consistent, and other items of minor errata.
http://www.w3.org/TR/2005/WD-WCAG20-20051123/appendixA.html

Some definitions (dd) use the term (dt) unnecessarily (circular reference).  Example:  feature, natural language, presentation, Unicode.

Some definitions (dd) do not end with period (and they should).

Some definition terms (dt) are capitalized, but most are not.

Some definitions (dd) do not start off with capital letter.

programmatic user interface component is defined but does not seem to be referenced.
The underlying term “component” is never defined.
http://www.w3.org/TR/2005/WD-WCAG20-20051123/appendixA.html#programmaticuidef

non-text content content that communicates ideas, data, facts information and is not text.
Should be:
non-text content that communicates ideas, data, facts, or information, and is not text.
http://www.w3.org/TR/2005/WD-WCAG20-20051123/appendixA.html#non-text-content-informdef

First (and structurally only) sentence of definition for Red Flash Threshold and General Flash Threshold is unordered list.  This may be deliberate to help definition stand out.
http://www.w3.org/TR/2005/WD-WCAG20-20051123/appendixA.html#red-thresholddef
http://www.w3.org/TR/2005/WD-WCAG20-20051123/appendixA.html#general-thresholddef

Redundant definition terms (dd are identical):
http://www.w3.org/TR/2005/WD-WCAG20-20051123/appendixA.html#informationbycolordef
information is conveyed by color
information that is conveyed by color