04.08.2013, 16:49, "Philipp Gesang" <philipp.ges...@alumni.uni-heidelberg.de>:
>> 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
>
Thanks, Philipp!
Now I realized that before the first use of "switchtobodyfont" I need to write
"definebodyfontenvironment". In this case, everything is fine.
I also found another way without definebodyfontenvironment:
\definemeasure[AAA][20.123pt]
\newdimen\BBB \BBB=25.127pt
\starttext
TEXT
% ok
\normalizebodyfontsize\normalizedAAA{\measure{AAA}}
\switchtobodyfont[\normalizedAAA]
AAA \normalizedAAA
% ok
\normalizebodyfontsize\normalizedBBB\BBB
\switchtobodyfont[\normalizedBBB]
BBB \normalizedBBB
\stoptext
Is this code correct? Or it's better for some reason using
"definebodyfontenvironment"?
--
Dmitriy
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