[tex4ht] [bug #221] Escaped LaTeX code inside lstlisting insert spurious <pre> elements

[Michal Hoftich]

URL:
  <http://puszcza.gnu.org.ua/bugs/?221>

                 Summary: Escaped LaTeX code inside lstlisting insert spurious
<pre> elements
                 Project: tex4ht
            Submitted by: michal_h21
            Submitted on: Sun 13 Jul 2014 11:29:59 PM EEST
                Category: None
                Priority: 5 - Normal
                Severity: 5 - Normal
                  Status: None
                 Privacy: Public
             Assigned to: None
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any

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Details:

This is repost of a thread from TeX.sx[1]. 

OP created his own syntax highlighting environment using listings package. He
used escapechar feature to insert LaTeX macros inside this environment.
Unfortunately, escapechar call the same macros as tex4ht use for inserting end
and start tags of listings environment, `\lst at EnterMode` and `\lst:EnterMode`
respectively, so these tags are inserted into the code. 

I added new conditional to test whether these macros are used for the first
time in current listings environment. 

Patch agains tex4ht-4ht.tex literate source is attached.

[1] http://tex.stackexchange.com/q/188322/2891



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File Attachments:


-------------------------------------------------------
Date: Sun 13 Jul 2014 11:29:59 PM EEST  Name: listings.patch  Size: 1kB   By:
michal_h21

<http://puszcza.gnu.org.ua/bugs/download.php?file_id=174>

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