Hello,
I reported a Missing Number error back in December (thread at
http://www.ntg.nl/pipermail/ntg-context/2012/070471.html) but got
sidetracked on another issue before finding a resolution.
Now I'm back to the Missing Number error, and I have a short example
that reproduces it:
\define\largefontsize{13pt}
% Works fine: \definefont[SerifL][Arial at 13pt]
% Leads to error:
\definefont[SerifL][Arial at \largefontsize]
% "Missing number, treated as zero" error thrown on the following line:
\starttext \SerifL{Hello} \stoptext
Note that the SerifL font definition works fine (no error) if I
hard-code in "13pt" instead of using an intervening \largefontsize
definition. But if I hard-code the point size, it would hamper the
modularity of our font configuration and the use of modes in which
different size fonts are used.
Maybe \define is just the wrong command to use when creating an
identifier for a specified dimension?
I tried changing it to \def and the error went away!
I looked up the documentation of \define
(http://wiki.contextgarden.net/Command/define) and \def, and couldn't
find any obvious difference, except that \def is TeX and \define is
ConTeXt. The wiki page I just linked to mentions differences between
MkII and MkIV, but this error occurs in both (in XeTeX and LuaTeX).
Can someone help me understand why I should not use \define for this
case? (Or in general, when I should not use \define?) Or does the
problem lie somewhere else?
Thanks,
Lars
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