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rewrite the html5 upgrade stylesheet #315

Closed GoogleCodeExporter closed 9 years ago

GoogleCodeExporter commented 9 years ago 
The HTML to HTML5 upgrade stylesheet is currently generated from a list of 
changed/deprecated elements.

I would prefer to have this stylesheet re-written manually, for several reasons:

- easier to maintain
- better/simpler XSLT code
- possibly support more advanced upgrades (e.g. related to content model or 
attribute processing)

Original issue reported on code.google.com by rdeltour@gmail.com on 16 May 2013 at 1:31

GoogleCodeExporter commented 9 years ago 
Will the output always be valid HTML5? I guess so, which makes me think that it 
might be useful to include a HTML5 validator (i.e. validator.nu) in Pipeline 2 
to validate the output when writing tests for the stylesheet. wdyt?

Original comment by josteinaj@gmail.com on 16 May 2013 at 1:36

GoogleCodeExporter commented 9 years ago 
Mmm, I think the validity of the output will very much depend on the validity 
of the input. The upgrade stylesheet will mostly do basic translation.

More advanced content model fixing would be rather performed in the html-fixer 
stylesheet.

Integrating an HTML5 validator generally makes sense, but I don't see how it's 
useful for the unit tests: we can make sure the expected result is valid when 
we write it.

Original comment by rdeltour@gmail.com on 16 May 2013 at 1:45

GoogleCodeExporter commented 9 years ago 
For reference, here's the spec that summarizes HTML 5 changes from HTML 4:
http://www.w3.org/TR/html5-diff/

Original comment by rdeltour@gmail.com on 16 May 2013 at 1:46

GoogleCodeExporter commented 9 years ago 
True.

The current stylesheet performs some cleanup, so I suppose the html-fixer will 
be more important when we re-write the stylesheet, and they will in most cases 
be run right after one another in most scripts.

Original comment by josteinaj@gmail.com on 16 May 2013 at 1:50

GoogleCodeExporter commented 9 years ago

Original comment by josteinaj@gmail.com on 20 Jun 2013 at 2:24

GoogleCodeExporter commented 9 years ago 
see https://github.com/daisy/pipeline-issues/issues/315

Original comment by rdeltour@gmail.com on 23 Jun 2014 at 2:31