Fedora Docs bulid tools and poss. libxslt changes

[Paul W. Frields]

Since Karsten tells me we have 578 people on fedora-docs-list, I'm
hoping someone out there can help troubleshoot this problem.  Out of
desperation, I'm cc'ing Mr. Veillard, who I hope will take pity and not
squash me like a grape. :-)

In moving to FC6, I've found that one of my previous templates has
"broken."  Given their excruciating attention to detail, I'm guessing
this has to do with either a better adherence to standards in the newer
libxslt-1.1.18, or a fix to a bug that I was unknowingly taking
advantage of in FC5 (libxslt-1.1.15).  I can't find anything through
Google to help me figure out what's changed, and I'm no XSLT expert.

http://phpfi.com/178472  -- bookinfo.xsl
http://phpfi.com/178473  -- templates.xsl
http://phpfi.com/178474  -- rpm-info.xml

To see the problem, download the files and:

   $ xsltproc bookinfo.xsl rpm-info.xml

Note the new behavior under libxslt-1.1.18 produces a DocBook XML
snippet with an empty <author/> element, where there used to be content
as required by the DocBook DTD.  I inserted a few <xsl:message> elements
to check whether "@worker" is evaluating properly, which it is.  But the
"$who" variable is not being carried to the templates.xsl sheet
properly.  Does anyone have any ideas?  And can anyone tell me why this
worked in libxslt-1.1.15 and not now?

-- 
Paul W. Frields, RHCE                          http://paul.frields.org/
  gpg fingerprint: 3DA6 A0AC 6D58 FEC4 0233  5906 ACDB C937 BD11 3717
       Fedora Project Board: http://fedoraproject.org/wiki/Board
    Fedora Docs Project:  http://fedoraproject.org/wiki/DocsProject
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