Re: Plain TeX writer

["Vít Novotný" <witiko-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

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>  So, for example, you couldn’t make Spaces appear as visible ␠ 
characters, and you couldn’t make SoftBreaks create hard breaks in the 
output.

Replacing *\pandocSpace* with ASCII spaces makes it difficult to reprogram 
spaces on the top level of the document, but we can definitely substitute 
spaces in parameters of commands such as  *\pandocCode*, which would cover 
many (if not most) use cases.

The following example LaTeX document produces the text 
*we␣want␣visible␣spaces␣here* in a monospaced font:





















*\documentclass{standalone}\usepackage{xparse}\ExplSyntaxOn\ProvideDocumentCommand  
{ \pandocCode }  { m }  { \pandoc_code:n { #1 } }\cs_new:Nn  
\pandoc_code:n  {    \tl_set:Nn \l_tmpa_tl { #1 }    
\regex_replace_all:nnN      { \s }      { \c{textvisiblespace} }      
\l_tmpa_tl    \texttt { \l_tmpa_tl }  
}\ExplSyntaxOff\begin{document}\pandocCode{we want visible spaces 
here}\end{document}*

>  There may also be line breaks in the source that don't correspond to 
SoftBreak.

Any lines that end with a comment character (%) will skip over the newline 
character. Therefore, we can have newlines in the source code that wouldn't 
trigger the active newline character.

The following example plain TeX document produces the text *foo bar baz*:

*\catcode`\^^M=13*


*\def^^M{ bar }%foobaz%*
*\bye*

Dne čtvrtek 27. října 2022 v 19:09:30 UTC+2 uživatel fiddlosopher napsal:

>
> > On Oct 27, 2022, at 12:07 AM, Bastien DUMONT <bastien...-VwIFZPTo/vqsTnJN9+BGXg@public.gmane.org> 
> wrote:
> > 
> > Fortunately, it is possible by making the space and the newline 
> characters active in TeX! (Provided that a SoftBreak is rendered as a line 
> break in the TeX output.) This is how \obeylines and \obeyspaces work.
>
> But this might not be what you want; after all there are going to be 
> spaces in code blocks, and you might not want to treat them the same way 
> (they do not correspond to pandoc Space elements). There may also be line 
> breaks in the source that don't correspond to SoftBreak.
>
>
>

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