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Re: sgml-mode.el: html-close-tag

From: Pete Forman
Subject: Re: sgml-mode.el: html-close-tag
Date: 15 Feb 2002 11:09:00 +0000
User-agent: Gnus/5.0808 (Gnus v5.8.8) XEmacs/21.4 (Common Lisp (Windows [1]))

address@hidden (Felix Natter) writes:
 > 1. I think there *might* be a bug in line 221 of sgml-mode.el:
 >     ("<! *--.*-- *>" . font-lock-comment-face)))
 > In the HTML 4 specification (section 3.2.4), it says that there may
 > be whitespace between "--" and ">", but not between "<!" and "--".
 > Since html is sgml, I conclude that the same is true for sgml
 > (sorry, I can't find the SGML spec)

I'd agree that that is true for SGML from looking at the spec.

This is an attempt at a regular expression to approximate productions
91 and 92 of the spec.


The approximations are . for 'SGML character' and \s- for 's' (space,
CR, LF, or HT).  'SGML character' also includes CR, LF, and HT but I'm
not sure how to express a single hyphen.  Perhaps "\\([^-]\\|-[^-]\\)*"
could be used instead of ".*"

Some people use a line of hyphens within a comment.  The result may or
may not be a valid comment declaration depending on how may hyphens
they use.  They are inadvertently putting multiple comments within one
comment declaration.
Pete Forman                -./\.-  Disclaimer: This post is originated
WesternGeco                  -./\.-   by myself and does not represent
address@hidden    -./\.-   opinion of Schlumberger, Baker
http://petef.port5.com  (new)    -./\.-   Hughes or their divisions.

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