Thank you very much for taking the time to reply to me, bpj.

I am under the impression that PowerPoint does not support custom character
styles - are you certain that it does? (In the custom styles section of
Pandoc's manual, I also only see references to docx and ICML.)


I think it'd be great if one could do [highlighted text]{.accent1}, and
this would in PPTX export set the span to the accent1 color from the
reference's color scheme [1]. But I believe this isn't possible right now.

Best,
Gottfried

[1] http://officeopenxml.com/prSlide-color.php

On Sun, Feb 6, 2022 at 6:48 PM BPJ <melroch-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:

> Custom named styles is usually the solution
>
> https://pandoc.org/MANUAL.html#custom-styles
>
> So just create a named character style "Highlight" with suitable
> formatting — unless there is one already — and apply it with `[highlighted
> text]{custom-style=Highlight}` or since that is a lot to type use this
> filter so you can type just `[highlighted text]{.hl}`:
>
> ``````lua
> -- Add class-to-style mappings here as needed
> class2style = {
>   hl = 'Highlight',
> }
>
> local function apply_style (elem)
>   for _,cls in ipairs(elem.classes) do
>     if class2style[cls] then
>       elem.attributes['custom-style'] = class2style[cls]
>       return elem
>     end
>   end
>   return nil
> end
>
> return {
>   { Div = apply_style,  -- paragraph styles
>     Span = apply_style, -- character styles
>   },
> }
> ``````
>
> The pandoc markdown syntax for paragraph styles is
>
> ``````pandoc
> ::: {custom-style="Style Name"}
> Styled text
> :::
> ``````
>
> If the style name consists of only letters you may omit the quotes.
>
> With the filter this becomes
>
> ``````pandoc
> :::class_name
> Styled text
> :::
> ``````
>
> HTH,
>
> /bpj
>
>
> Den sön 6 feb. 2022 10:52Gottfried Haider <gottfried.haider-Re5JQEeQqe8@public.gmane.orgm>
> skrev:
>
>> Hello all,
>>
>> Let me begin by saying thank you for this extremely versatile tool!
>>
>> I've been dabbling with using Pandoc to go from Markdown to Powerpoint.
>> The layouts from a specified reference doc are very pleasant to work, but
>> so far I have been unsuccessful in finding a way how highlighted text is to
>> be rendered in the PPTX. Specifically, I would be looking for a way to
>> highlight text by changing its color in the output.
>>
>> I saw that d0a895ac [1] principally implements colored text output for
>> syntax highlighting, but as far as I understand there is no way of using
>> this from the AST? (My ideal scenario would writing a custom AST filter
>> that turns bold and italic highlights into colored spans.)
>>
>> Another idea I had was to leverage the user-definable accent colors from
>> the reference doc, so that .accent1 to .accent6 could be used as classes,
>> similarly to how underline works today.
>>
>> I am not fluent in Haskell, but I'd appreciate if someone had some other
>> ideas - or comments on the feasibility of those changes? (I'd be happy to
>> sponsor someone to implement them.)
>>
>> Thanks & best
>> Gottfried
>>
>> [1]
>> https://github.com/jgm/pandoc/commit/d0a895acee371b13a9c31873c10dd124e04564d1
>>
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