GNU bug report logs - #12280
Bug#685872: emacs24 XHTML RELAX NG schema should support XHTML5

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From: Rob Browning <rlb <at> defaultvalue.org>
To: 12280 <at> debbugs.gnu.org
Cc: 685872 <at> bugs.debian.org, 685872-forwarded <at> bugs.debian.org, Ivan Shmakov <oneingray <at> gmail.com>
Subject: bug#12280: Bug#685872: emacs24 XHTML RELAX NG schema should support XHTML5
Date: Sat, 25 Aug 2012 13:30:57 -0500

(If possible, please preserve the 685872-forwarded <at> bugs.debian.org
 address in any replies.)

This Debian bug was just filed, requesting support for XHTML5.  I'm not
sure how/if you'd like to handle the issue, but thought I should pass it
on.

Ivan Shmakov <oneingray <at> gmail.com> writes:

> Package: emacs24-common
> Version: 24.1+1-4
>
> 	The XHTML RELAX NG schema currently packaged with Emacs 24.1 in
> 	Debian doesn't support XHTML5.  For instance, nXML doesn't seem
> 	to recognize ‘aside’ as a valid element in the example XHTML5
> 	document MIME'd.
>
> 	I was able to find the schema with XHTML5 support at [1, 2],
> 	and, in order to force nXML use it instead of the one shipped,
> 	created a schemas.xml file (in the directory that holds the
> 	example document) based on the contents of Emacs' own
> 	etc/schema/schemas.xml, with only the following edit:
>
>    <typeId id="XSLT" uri="xslt.rnc"/>
>    <typeId id="RELAX NG" uri="relaxng.rnc"/>
> -  <typeId id="XHTML" uri="xhtml.rnc"/>
> +  <!-- formely: xhtml.rnc -->
> +  <typeId id="XHTML" uri="validator-syntax-ed90a83ab0fd/relaxng/xhtml5.rnc"/>
>    <typeId id="DocBook" uri="docbook.rnc"/>
>    <typeId id="RDF" uri="rdfxml.rnc"/>
>
> 	(I've unpacked the schema snapshot [2] into the same directory
> 	as well.)
>
> 	Unfortunately, this schema uses the following datatype library
> 	declaration [3], which Emacs doesn't seem to support:
>
> datatypes w = "http://whattf.org/datatype-draft"
>
> 	Thus, I've also had to provide the following “stub” code:
>
> (defun rng-html5-compile (name params)
>   "A stub for the http://whattf.org/datatype-draft datatype library."
>   '(t identity))
>
> (put (intern "http://whattf.org/datatype-draft")
>      'rng-dt-compile
>      'rng-html5-compile)
>
> 	Finally, it made Emacs recognize the ‘aside’ element introduced
> 	in XHTML5.
>
> 	Hopefully, someone could implement proper support for [3].
> 	Either way, my suggestion would be to switch to the RELAX NG
> 	XHTML schema that supports XHTML5 [1].
>
> 	TIA.
>
> [1] http://syntax.whattf.org/
> [2] http://bitbucket.org/validator/syntax/get/ed90a83ab0fd.tar.bz2 
> [3] http://hsivonen.iki.fi/html5-datatypes/

Thanks
-- 
Rob Browning
rlb @defaultvalue.org and @debian.org
GPG as of 2002-11-03 14DD 432F AE39 534D B592 F9A0 25C8 D377 8C7E 73A4

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