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

[Torrance, Douglas]

Control: affects -1 - src:macaulay2

On Mon 20 Sep 2021 11:41:39 AM EDT, Vincent Lefevre <vincent at vinc17.net> wrote:
> On 2021-09-20 15:00:00 +0000, Torrance, Douglas wrote:
>> On Mon 20 Sep 2021 08:17:11 AM EDT, Vincent Lefevre <vincent at vinc17.net> wrote:
>> > 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 --
>
> Yes, but there seem to be many changes, thus potentially several kinds
> of regressions for different reasons. It is better to report one bug
> per kind of regression.

That makes sense -- I'll open a new bug.

>> 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?
>
> I don't know about this one. It could be a bug either in libxml2
> (e.g. an unexpected regression in a corner case due to some fix
> of a more general case) or in the DTD from w3c-sgml-lib. Some
> investigation would be needed.

I guess I'll start by filing it against libxml2 like this bug, and it can always
be re-assigned later if necessary.
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