···<date: 2013-08-04, Sunday>···<from: Philipp Gesang>···
> ···<date: 2013-08-04, Sunday>···<from: Dmitriy Tokarev>···
>
> > Hi all,
> >
> > I want to set the font size by using the dimension variable, but it doesn't
> > work. What am I doing wrong?
> >
> > \definemeasure[AAA][20pt]
> > \newdimen\BBB \BBB=20pt
> >
> > \starttext
> > TEXT
> >
> > % don't work
> > \switchtobodyfont[\measure{AAA}]
> > AAA
> >
> > % don't work
> > \switchtobodyfont[\the\BBB]
> > BBB
> >
> > % ok
> > \switchtobodyfont[20pt]
> > TEXT 20pt
> >
> > \stoptext
>
> Hi Dmitriy,
>
> the size-related arguments to \switchtobodyfont and
> \setupbodyfont aren’t real TeX dimensions but identifiers for
> predefined bodyfont sets. Example:
>
> \def\mainfontsize{20pt}
> \definebodyfontenvironment [\mainfontsize]
>
> \starttext
> TEXT
> \switchtobodyfont [\mainfontsize]
> TEXT 20pt
> \stoptext
>
> See this thread for some background info:
>
> http://www.mail-archive.com/ntg-context@ntg.nl/msg63901.html
Sorry for the self-reply, but I just remembered that I already
wikified the topic:
http://wiki.contextgarden.net/unexpected_behavior#Treacherous_Dimensions
pgpLGdJkuwui0.pgp
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