On June 13, 2023 5:16:32 PM EDT, H <agents-FcZObrvlYduBUy7/sJONFg@public.gmane.org> wrote:
>On June 13, 2023 5:00:19 PM EDT, 'William Lupton' via pandoc-discuss
><pandoc-discuss-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org> wrote:
>>As far as I know, you can't add 'style' attributes. But you can embed
>>CSS
>>via header-includes. You'll find an example of this if you search the
>>manual for 'header-includes' (and you can use a filter to set the
>>variable;
>>I think Albert gave an example of how to do this a few weeks ago).
>>
>>On Tue, 13 Jun 2023, 21:37 H, <agents-FcZObrvlYduBUy7/sJONFg@public.gmane.org> wrote:
>>
>>> Continuing my quest to write a custom filter, I now ran into a need
>>to add
>>> attributes to different types of tags as exemplified below:
>>>
>>> - In header tags such as <h2>, I need to add "style=color: #112233;"
>>so it
>>> becomes <h2 style="color: #112233;">.
>>>
>>> - I analogously also need to add style information to <image> tags.
>>>
>>> In my filter I tried:
>>>
>>> style_h2 =
>>>
>>> if (el.level == 2) then
>>>     local attr = el.attributes
>>>     attr.insert = style_h2
>>> end
>>>
>>> but ended up with the below in my html output:
>>>
>>> <h2
>>> data-insert=" style=&quot;text-transform: uppercase; color:
>>> #cc002b;&quot;">
>>>
>>> Clearly not the correct way. Can I add the style information as
>above
>>in a
>>> filter, in the pandoc function as I am going through my document
>>> block-by-block and modifying the document structure as needed? I
>>already
>>> adding <div> with various style information as I iterate over the
>>blocks
>>> and that works fine but now I need to modify existing tags.
>>>
>>> I guess I could do it similarly to below but then it applies to all
>>eg H2:
>>>
>>> function Header(el)
>>>     --    remove header identifier for all levels
>>>     el.identifier = ''
>>>
>>>     --    convert level 1 and 2 to upper case
>>>     if (el.level == 1) or (el.level == 2) then
>>>         return el:walk {
>>>             Str = function(el)
>>>                 return pandoc.Str(text.upper(el.text))
>>>             end
>>>         }
>>>     else
>>>         return el
>>>     end
>>> end
>>>
>>> How to do it on individual H2 in a filter?
>>>
>>> Thanks.
>>>
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>>> .
>>>
>>
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>
>I need to stay away from css since the software the output is used in
>does not allow css info to be added.

Can I "rewrite" a tag in the filter?

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