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Date: Sun, 26 Jun 2022 13:16:56 +0200
From: Ingo Schwarze <schwarze@usta.de>
To: Mohamed Akram <mohd.akram@outlook.com>
Cc: discuss@mandoc.bsd.lv
Subject: Re: mandoc inserts extraneous <br> tags inside <pre>
Message-ID: <YrhAKP9m38G2u8lO@asta-kit.de>
References: <772718FE-24EA-4C24-A9B4-48C24D297561@outlook.com>
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In-Reply-To: <772718FE-24EA-4C24-A9B4-48C24D297561@outlook.com>

Hello Mohamed,

Mohamed Akram wrote on Sat, Jun 25, 2022 at 04:28:18PM +0000:

> Thanks for this great and useful tool.

You are welcome.

> I did notice a bug however in mandoc when using HTML output.
> It seems to insert <br> tags inside <pre> sections, which causes
> there to be double newlines since <pre> already preserves newlines.
> You can see it in this example which has many code samples in it:
> 
> curl https://raw.githubusercontent.com/apple-oss-distributions/tcl/tcl-134.121.2/tcl_ext/expect/expect/expect.man | mandoc -T html >example.html

I believe that is the following bug already listed in the mandoc TODO file:

- HTML formatting of .nf should avoid <br/>
  and not close and re-open <pre> on .P
  my mail to ports@ 27 Jun 2021 16:09:20 +0200
  loc **  exist **  algo *  size *  imp **

I'm expanding the entry a bit to read:

- HTML formatting of .nf should avoid <br/>,
  even when input lines start with whitespace,
  and not close and re-open <pre> on .P
  my mail to ports@ 27 Jun 2021 16:09:20 +0200
  reported again by Mohamed Akram 25 Jun 2022 16:28:18 +0000
  loc **  exist **  algo *  size *  imp **

This is one among the bugs likely to get addressed during the next round
of less-important bug fixes.  It is less important in so far as a few
bugs that can crash mandoc are still open.  There is no specific time
frame, but a delay of a few more months is likely.

Thanks for reporting!

Yours,
  Ingo
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