From: Hans Hagen <pragma@wxs.nl>
To: ntg-context@ntg.nl
Subject: Re: Bug with adaptlayout
Date: Fri, 13 Sep 2013 10:57:31 +0200 [thread overview]
Message-ID: <5232D37B.9010902@wxs.nl> (raw)
In-Reply-To: <alpine.LNX.2.02.1309122235200.14143@ybpnyubfg.ybpnyqbznva>
On 9/13/2013 4:40 AM, Aditya Mahajan wrote:
> Hi,
>
> There is a subtle bug with \adaptlayout.
>
> \adaptlayout[1][height=max] does not work, e.g.,
>
> \showframe
> \adaptlayout[1][height=max]
> \starttext
> \dorecurse{10}{\input knuth \par}
> \stoptext
>
> but \adaptlayout[2][..] etc work. The reason is the following.
> Typically, we use \adaptlayout[...][...] before \starttext at which
> point \realpageno=1.
>
> Now, \page_adapts_layout calls \page_adopts_check which checks if
> "\??pageadaptions\the\realpageno" is set. If so, it calls the
> pageadaptions and resets it to relax.
>
> Since all this happens before \starttext, it does not affect the first
> page.
>
> I am not sure what is the best way to fix this.
\unprotect
\def\page_adapts_check
{\csname\??pageadaptations\the\ifcsname\??pageadaptations\the\realpageno\endcsname\realpageno\else\zerocount\fi\endcsname}
\def\page_adapts_reset
{\ifcsname\??pageadaptations\the\realpageno\endcsname
\global\undefinevalue{\??pageadaptations\the\realpageno}%
\fi}
\appendtoks \page_adapts_check \to \everystarttext
\appendtoks \page_adapts_reset \to \everyshipout
\protect
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next prev parent reply other threads:[~2013-09-13 8:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-13 2:40 Aditya Mahajan
2013-09-13 8:57 ` Hans Hagen [this message]
2013-09-14 21:31 ` Aditya Mahajan
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