Re: HTML attributes not being stripped off

["'guenael Muller' via pandoc-discuss" <pandoc-discuss-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>]

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Hello all,

Up from the future (10 years !)

I have a similar issue now with playing with pandoc and weasyprint using 
pandoc for the templating.
What seems to be a bit curious, is that some html attribute are stripped 
off and some are not.

Example:

<p style="xxx" lang="ar" dir="rtl" class="test" id="first">Just some 
text</p>
<div style="xxx" lang="ar" dir="rtl" class="test" id="second">
<p>Just some text</p>
</div>

give:

<p>Just some text</p>
<div id="second" class="test" style="xxx" lang="ar" dir="rtl">
<p>Just some text</p>
</div>

I don't get the logic behind the fact that HTML attribute are stripped for 
p and not for div. Understanding it may help me make a decision
if it's worth to adapt my HTML depending on this behavior.

Thanks for your answers,

Guenael

Le lundi 12 novembre 2012 à 20:14:26 UTC+1, ousia a écrit :

> Thank you for your explanation, John.
>
> I'm afraid I cannot code and pandoc's internal representation of the
> document (sorry if the naming isn't accurate, but this is really Greek
> to me [χαλεπὰ τὰ καλά, I agree :-)]) is beyond my extremely limited
> understanding on these matters.
>
> I can understand (and I hope I'm not wrong) that pandoc cannot be as
> flexible as HTML and this is on purpose. (This might be problematic for
> some uses, as the Spanish law gazette uses no headings, but it
> distinguishes the different <p> with different classes.)
>
> Not focusing specifically on HTML, I think that pandoc should allow to
> uniquely identify, add to a class and set the language to any element,
> desired text span or division.
>
> I know that this is related to a couple of messages I sent yesterday.
> Sorry for repeating myself, but these are basic features to write 
> documents.
>
> From the documentation perspective, it would be to apply the type Attr
> to any constructor from data Block and Inline. And to data TableCell.
>
> Although language could be defined as a key-value pair in type Attr, I
> think is clearer to define a new specific language attribute.
>
> Is there anything wrong with this approach?
>
> Many thanks for your help,
>
>
>
> Pablo
>
> On 11/11/12 23:36, John MacFarlane wrote:
> > You've got to remember that pandoc converts the input format to an
> > internal representation of the document (the 'Pandoc' structure), and
> > then converts that to the output format.
> > 
> > This internal representation (see
> > 
> http://hackage.haskell.org/packages/archive/pandoc-types/1.9.1/doc/html/Text-Pandoc-Definition.html
> )
> > is much less expressive than HTML, and doesn't have a place for the
> > attributes you want. That's why they are lost on HTML -> HTML
> > translation.
> > 
> > +++ Pablo Rodríguez [Nov 11 12 12:19 ]:
> >> Hi John,
> >>
> >> I'm using pandoc mainly to generate ePub files.
> >>
> >> I used textile first as source language, but it isn't fully implemented
> >> by pandoc and textile itself has issues with multiparagraph elements.
> >>
> >> It seems HTML is probably a much better option for pandoc as source
> >> language, although I have to forget footnotes. There is no way to have
> >> it all.
> >>
> >> But pandoc strips almost all attributes from HTML elements.
> >>
> >> A minimal sample:
> >>
> >> <ol start="2" style="list-style-type:lower-latin;">
> >> <li><p>Well there is no other way to tag <em lang="la">lingua
> >> latina</em>.</p>
> >> <li><p>Or even classes or ids.</p>.</li>
> >> </ol>
> >>
> >> Would it be possible that there is an option that doesn't strip off
> >> attributes from HTML code?
> >>
> >> BTW, when converting from HTML to another HTML code, at least id, class
> >> and lang attributes shouldn't be stripped off by default.
> >>
> >> Many thanks for your help,
> >>
> >>
> >> Pablo
> >> -- 
> >> http://www.ousia.tk
> >>
> >> -- 
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> >>
> > 
>
> -- 
> http://www.ousia.tk
>

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