How about supporting things like > and < in inline text? It saves hassle trying to figure out how to do things like "<"ahem">" or "<"grin">", not to mention (C) (copyright - ©right), (TM) (trademark - &trademark) etc.
Excuse the ""'s please - there's no other way to represent the < and > together in a character sequence that does not include whitespace.
Come to think of it, since we've got an extension that does conversion of emoticons from

to a smiley face, why not support (C) and (TM) (and others?), as character sequences to be replaced by the appropriate character code.
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DavidLeBlanc - 23 Mar 2001
Character Entities that Work (don't forget the ";")
& &amp;
< &lt;
> &gt;
© &copy;
® &reg;
§ &sect;
¶ &para;
± &plusmn;
¿ &iquest;
µ &micro;
× &times;
° &anpdeg;
Character Entities that Don't Work
(Most of these are listed on the web page referenced below -- I don't know why they don't work)
← &larr;
→
↑
↓
↵
⇐
⇒
⇑
⇓
&crArr;
∞
™ &trade; -- this is listed (under greek letters, for some reason), not sure why it doesn't work
I moved this to
FeatureDone mostly as a point for documentation.
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DavidLeBlanc - 25 Mar 2001
And thousands more!(??)
Here's one of many references on the WEB:
http://www.w3.org/TR/REC-html40/sgml/entities.html#iso-88591
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JohnTalintyre - 25 Mar 2001
(Refactored by --
RandyKramer - 25 Mar 2001)