Hi Paul,

> On 14 Feb 2018, at 23:14, Paul Libbrecht <p...@hoplahup.net> wrote:
> 
> Hello Vincent,
> 
> having some experience with TeX I would implement CSS with macro-definitions… 
> Every element start would be a call to a macro that would check for rules 
> that would apply to its element, including passing parameters of their 
> ancestry.

Could you give an example of what you mean by macro-definitions? Is this 
something that exist in TeX?

> However, I guess that your solution seems probably more ad hoc and more 
> practical.
> 
> Is there any reason that you don’t use the XSL-FO renderer that use LaTeX? I 
> thought there were several of them.

Do you have a pointer? As I said in my original mail I tried to search for an 
XHTML to LaTeX converter/XSLT but couldn’t. If you know of one, I’ll gladly 
have a look.

Thanks a lot!
-Vincent

> 
> paul
> 
> On 14 Feb 2018, at 21:01, Vincent Massol wrote:
> 
>> Hi devs,
>> 
>> I’m currently working on improving our TeX renderer (which is really a POC 
>> ATM), in an effort to see if it could be used to generate nice PDF exports 
>> (you generate LaTeX and then you convert to PDF).
>> 
>> The main issue is that LaTeX doesn’t have any technology for applying style 
>> to it (like CSS has for HTML). In addition I wasn’t able to find any good 
>> HTML+CSS to TeX converter (as we have for PDFs with XSLT+FOP).
>> 
>> So right now my idea is to implement some default behavior in the Tex 
>> Renderer (that could be configured globally in xwiki.properties and/or in 
>> the Admin UI) and give the ability to override specifically in the content.
>> 
>> For example, imagine that you need to decide how to position table column 
>> content (left, centered, right) or whether the rows and/or columns of your 
>> table have vertical and horizontal lines (or other configs, autowrap, etc).
>> 
>> The idea is that the Tex Renderer would support some custom tex-specific 
>> parameters. For example:
>> 
>> (% tex-table-spec=“c | c | c" tex-table-floating="true" 
>> tex-table-caption="caption" %)
>> |=A|=B
>> (% tex-table-row-ending="\hline" %)|a|b
>> 
>> (by default the table spec would be left aligned with vertical lines, and 
>> rows would be separated by horizontal lines).
>> 
>> If you have some comments or ideas, please let me know.
>> 
>> Inventing a CSS-like mechanism would just be too hard to implement IMO.
>> 
>> Thanks
>> -Vincent
>> 
>> PS: If you want to see table options in LaTeX, see 
>> https://en.wikibooks.org/wiki/LaTeX/Tables

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