Re: [NTG-context] section title: alignment

18 Sep 2007

      Hi Wolfgang,

Thanks a lot. Luckily, the publisher is asking for amazingly few 
alterations of the manuscript -- this was one to be expected.
I bought Knuth's TeX book, but didn't have time to look into it -- I'll 
have to wait until I understand your solution.
Cheers, Jörg

Wolfgang Schuster wrote:
...
On Mon, 17 Sep 2007 11:55:46 +0200
Jörg Hagmann  wrote:
...
Dear list members,
My section titles have a gray background of textwidth, as follows:
\def\SectionCommand#1#2{\framed[frame=off,width=\textwidth,%
align=right,background=color,backgroundcolor=lightgray]{#1\quad#2}}
\setuphead[section][command=\SectionCommand,numbercolor=red]
\def\SectionCommand#1#2%
  {\framed
     [frame=off,
      width=\textwidth,
      align={right},
      background=color,
      backgroundcolor=lightgray]
     {\hbox to.05\textwidth{\strut#1}\quad
      \vtop{\hsize\dimexpr\hsize-.05\textwidth-1em\relax\begstrut#2
\endstrut}}}
...
That works, except when section titles are longer than textwidth: in 
that case, the second line is aligned with the number, not the text. How 
can I get correct alignment? I tried to include \starttabulate \NC #1 
\NC #2 \NC\NR \stoptabulate in SectionCommand, but then the background 
extends too much above and below.
I'm sure there is an easy solution? Thanks a lot, Jörg
Minimal example:
\setupcolors[state=start]
\def\SectionCommand#1#2{\framed[frame=off,width=\textwidth,%
align=right,background=color,backgroundcolor=lightgray]{#1\quad#2}}
\setuphead[section][command=\SectionCommand,numbercolor=red]
\starttext
\section{A very long title, longer than the width of the text and 
therefore needing a second line}
\stoptext
Wolfgang
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