X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/a0dadc9108bad3202fb8c35a844a90788662b484..d5a97dde270051c179acb27bae81f5459f684d33:/doc/bugs/html5_support.mdwn diff --git a/doc/bugs/html5_support.mdwn b/doc/bugs/html5_support.mdwn index 14c2597e9..88c4fd4e6 100644 --- a/doc/bugs/html5_support.mdwn +++ b/doc/bugs/html5_support.mdwn @@ -1,16 +1,56 @@ -Some elements of [HTML5](http://www.whatwg.org/specs/web-apps/current-work/multipage/) can be safely supported by ikiwiki. There are [several differences between HTML4 and HTMl5](http://www.w3.org/TR/html5-diff/). Unsupported new elements _should degrade gracefully_. +Some elements of +[HTML5](http://www.whatwg.org/specs/web-apps/current-work/multipage/) can be +safely supported by ikiwiki. There are [several differences between HTML4 and +HTML5](http://www.w3.org/TR/html5-diff/). -However as an [early adopter](http://en.wikipedia.org/wiki/Early_adopter) I would like to start using HTML5 as much as possible. The more pragmatic solution would be to use elements supported by the browsers of your readership I guess. I'm following other early adopters like [Anne](http://annevankesteren.nl/) for clues on how to proceed. +> In the `origin/html` branch, there is an old work in progress to make +> ikiwiki use html 4 instead of xhtml. If that could be brought forward and +> finished then the plan has been to switch ikiwiki over to doing html 4. +> I don't think it makes sense to try to make it support both xhtml and +> html, it would complicate the code for no benefit. +> +> I think that is the best route toward supporting html 5 as well. Get +> ikiwiki doing html 4 first and the changes needed to get to 5 from there +> should be small. Probably just changing some doctypes and a few other +> small changes which could be kept in a branch, or even shipped in ikiwiki +> mainline as an alternate set of templates. Some of the changes, like +> supporting new html 5 tags in the htmlscrubber, can be done in mainline. +> (Like was already done for the html 5 video and audio tags.) +> +> This approach seems much more maintainable going foward than rolling a +> html 5 branch immediatly and trying to keep that continually up-to-date +> with mainline ikiwiki that is still using xhtml. --[[Joey]] -* [Initial patch](http://git.webconverger.org/?p=ikiwiki;a=commit;h=2e2bb3f74f5000b1269142d6f9bdf1bcb4075ca4) +>> TODO Still need to merge origin/html with my html5 branch. -I'm unsure how to turn off the test validation by the very old [wdg-html-validator](http://packages.qa.debian.org/w/wdg-html-validator.html). So I have been unable to test my initial patches as I can't build ikiwiki. I would like to know how to edit the rules/Makefile to temporarily disable this. +* [HTML5 branch](http://git.webconverger.org/?p=ikiwiki;h=refs/heads/html5) +* [test ikiwiki instance with HTML5 templates](http://h.dabase.com/html5/) -[validator.nu](http://validator.nu/) incidentally is **the** HTML5 validator, however it is almost impossible to sanely introduce as a build dependency because of its insane Java requirements. :( I test locally via [cURL](http://wiki.whatwg.org/wiki/IDE), though Debian packages cannot be built with a network dependency. +# HTML5 Validation and t/html.t -# Notes +[validator.nu](http://validator.nu/) is the authorative HTML5 validator, +however it is almost impossible to sanely introduce as a build dependency +because of its insane Java requirements. :( I test locally via +[cURL](http://wiki.whatwg.org/wiki/IDE), though Debian packages cannot be built +with a network dependency. -* the [time element](http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level-semantics.html#the-time-element) ideally needs the datatime= attribute set with iso8601 time -* I suspect the migration to the new semantic elements of HTML5 like article, header & footer to take some time, due to browser support. Though they sure make the template code look much nicer. -* `
` and too many `
`s usually indicates poor semantics. -* Many of the header ``s should be proper [header elements](http://www.whatwg.org/specs/web-apps/current-work/multipage/semantics.html#the-h1,-h2,-h3,-h4,-h5,-and-h6-elements) +In the future, hopefully ikiwiki can test for valid HTML5 using [Relax NG +schema](http://syntax.whattf.org/) using a Debian package tool +[rnv](http://packages.qa.debian.org/r/rnv.html). + +# Issues + +## Time element + +The [time element](http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level-semantics.html#the-time-element) ideally needs the datatime= attribute set by a template variable with what [HTML5 defines as a valid datetime string](http://www.whatwg.org/specs/web-apps/current-work/multipage/infrastructure.html#valid-global-date-and-time-string). + +As a workaround I use in my setup file: + + timeformat => '%Y-%m-%d', + +## Header + +Many of the header ``s should be proper [header elements](http://www.whatwg.org/specs/web-apps/current-work/multipage/semantics.html#the-h1,-h2,-h3,-h4,-h5,-and-h6-elements) + > See [[todo/Option_to_make_title_an_h1__63__]] for why not. --[[Joey]] + +The [header element](http://www.whatwg.org/specs/web-apps/current-work/multipage/semantics.html#the-header-element) requires a h1-h6 child, in order to [validate](http://validator.nu/). Hence in my [html5 page templates](http://git.webconverger.org/?p=ikiwiki;a=tree;f=templates;hb=refs/heads/html5), I've marked up page title with a h1.