Thanks. I invoked pandoc -f gfm MyDoc. -o MyDoc.pdf and in the resulting PDF document the subscripts are still ignored. When running it with --verbose in the resulting output I saw numerous instances of 

[INFO] Not rendering RawInline (Format "html") "</sub>"
[INFO] Not rendering RawInline (Format "html") "<sub>"

However, when I added -t html5 to the invocation the diagnostics above disappear, and the subscripts are indeed present in the converted PDF file. Thanks for the tip - it has indeed improved things. Now it is still the case that things like &mdash; or &Hscr; are ignored by pandoc. Any suggestions on how to get pandoc to process them? 

I am using the following:

pandoc 3.1.4
Features: +server +lua
Scripting engine: Lua 5.4






On Tue, Jul 4, 2023 at 3:50 PM John MacFarlane <fiddlosopher-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
HTML tags should be passed through to HTML formats.

Have you looked at the intermediate HTML produced?  You can use --verbose to see it.

This seems to work fine:

% pandoc -t html5
_A_<sub>_m_</sub>
<p><em>A</em><sub><em>m</em></sub></p>

PS. You probably want to use -f gfm if you're targeting GitHub Markdown.

Pandoc version?



> On Jul 3,

> 2023, at 3:41 PM, Luveh Keraph <1.41421-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>
> I have a Github Markdown document that contains HTML tags - mostly to do with special characters (e.g. &Hscr;) and stuff to place pictures where I want in the page. The thing is, pandoc seems to ignore the HTML tags. Is this a limitation intrinsic to pandoc, or is there any way to get pandoc to process such tags and produce the right output?
>
> The pandoc invocation that I am currently using for converting my Github Markdown documents to PDF is
>
>  $ pandoc --resource-path=/home/abc/Repos.wiki -t html5 --pdf-engine=wkhtmltopdf --metadata pagetitle="MyDoc.md" --css github.css -o MyDoc.pdf
>
> The default invocation pandoc MyDoc.md -o MyDoc.pdf is not dealing with images properly (in that it sometimes rearranges surrounding paragraphs the wrong way) and it seems to be unable to deal with expressions like _A_<sub>_m_</sub>, in that the <sub> and </sub> directives seem to be ignored.
>
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