[OPEN-ILS-DEV] PATCH for review: Make mod_xmlent respect XHTML empty elements

[Dan Scott]

With some of the recent XHTML cleanup I've been doing of the OPAC, I
had become aware that mod_xmlent was treating every element as though
it would contain content, and therefore changed empty elements like
<link blah />, <img blah />, and <br /> to <link blah></link>, <img
blah></img>, and <br></br>.

Not heinous, but I figured we should be able to do better than that.
So I pulled the list of empty elements from xhtml1-transitional.dtd
and modified mod_xmlent.c to treat empty elements properly.

I'm posting this to the list rather than applying it directly in case
my semi-rusty C has any obvious "oops!" moments in it. If there's no
objection or stated need for reworking the patch, I'll apply it in a
day or two.

-- 
Dan Scott
Laurentian University
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