[tex4ht] [bug #617] The fancyvrb LaTeX package produces blank lines with the `\VerbatimInput` command

[VítStarýNovotný]

Follow-up Comment #6, bug #617 (project tex4ht):

Thanks. Your newly uploaded file fancyvrb.4ht seems to work fine, see also the
attached screenshot of the output for the example document of the Markdown
package.

(file #528)
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[tex4ht] [bug #617] The fancyvrb LaTeX package produces blank lines with the `\VerbatimInput` command

[Michal Hoftich]

Follow-up Comment #5, bug #617 (project tex4ht):

Thanks for the report. I think this was caused by a fix for another issue:
https://github.com/michal-h21/make4ht/issues/141 

I've made a version of `\FVC@Verb` macro which works both with your example
and with the code from the Minted issue. The reason why we need to disable
\a:fancyvrb is that it causes discarding of all output that follows. This
happens because we need to get rid of some spurious characters and spaces that
would otherwise cause blank lines in HTML. So all of this is a bit hacky. 

See the newly uploaded fancyvrb.4ht file. If it works fine, I will update
TeX4ht sources.

(file #527)
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[tex4ht] [bug #617] The fancyvrb LaTeX package produces blank lines with the `\VerbatimInput` command

[VítStarýNovotný]

Follow-up Comment #4, bug #617 (project tex4ht):

With the Docker image `texlive/texlive:latest` from the last Sunday, I am
seeing the following errors [1] during the compilation of the example document
for make4ht [2]:

$ make4ht --shell-escape latex-tex4ht.tex fn-in
[STATUS]  make4ht: Conversion started
[STATUS]  make4ht: Input file: latex-tex4ht.tex
[ERROR]   htlatex: Compilation errors in the htlatex run
[ERROR]   htlatex: Filename LineMessage
[ERROR]   htlatex:
/usr/local/texlive/2023/texmf-dist/tex/generic/tex4ht/fancyvrb.4ht  97  
 Illegal
parameter number in definition of \FVC@Verb.
[ERROR]   htlatex:
/usr/local/texlive/2023/texmf-dist/tex/generic/tex4ht/fancyvrb.4ht  98  
 Illegal
parameter number in definition of \FVC@Verb.
[ERROR]   htlatex:
/usr/local/texlive/2023/texmf-dist/tex/generic/tex4ht/fancyvrb.4ht  98  
 Illegal
parameter number in definition of \FVC@Verb.

 [1]:
https://github.com/Witiko/markdown/actions/runs/7459249826/job/20294884745
 [2]: https://github.com/Witiko/markdown/blob/main/examples/latex-pdftex.tex

I have not yet had the time to investigate the cause but it seems possibly
related to the fix from this ticket.

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