[xml/sgml-pkgs] Bug#993638: xmlParseEntityDecl: entity xhtml-qname-extra.mod not terminated

[Torrance, Douglas]

On Mon 20 Sep 2021 08:17:11 AM EDT, Vincent Lefevre <vincent at vinc17.net> wrote:
> On 2021-09-20 11:58:00 +0000, Torrance, Douglas wrote:
>> Control: affects -1 src:macaulay2
>> 
>> I believe this bug is also affecting the build of the Macaulay2 package.  From
>> [1,2]:
>> 
>> /usr/bin/make -C M2 validate-html
>> make[2]: Entering directory '/<<BUILDDIR>>/macaulay2-1.18.0.1+git202109031258/M2'
>> -- validating all html and xhtml files in /<<BUILDDIR>>/macaulay2-1.18.0.1+git202109031258/M2/usr-dist/common/share/doc/Macaulay2
>> validating: BGG/html/_direct__Image__Complex.html
>> *** invalid HTML: /<<BUILDDIR>>/macaulay2-1.18.0.1+git202109031258/M2/usr-dist/common/share/doc/Macaulay2/BGG/html/_direct__Image__Complex.html
>> error: line 338: xmlParseEntityDecl: entity xhtml-qname-extra.mod not terminated
>
> The error message is different. I'd say that this is a different issue.

Fair enough.  I think it's related -- the latest release is more strict about
DTD files -- but involving a different DTD file, xhtml-math-svg.dtd from the
w3c-sgml-lib package.  Here's the output of xmllint, which gives a bit more
info:

$  xmllint --noout --loaddtd /usr/share/doc/Macaulay2/Macaulay2Doc/html/_ideal.html 
file:///usr/share/xml/w3c-sgml-lib/schema/dtd/WD-XHTMLplusMathMLplusSVG-20020809/xhtml-math-svg.dtd:338: parser error : xmlParseEntityDecl: entity xhtml-qname-extra.mod not terminated
    %xhtml-qname-extra.decl;
                            ^
Entity: line 2: 
            "http://www.w3.org/Math/DTD/mathml2/mathml2-qname-1.mod"
                                                                    ^
Perhaps this should be filed against w3c-sgml-lib?
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