For your information, the problem arose because Y&Y's MathTimes does
not has its calligraphic letters in the MathItalic font, but in a
separate calligraphic font (mtms and friends).
On Dec 4, 2005, at 11:53, Taco Hoekwater wrote:
Hans van der Meer wrote:
I am confused about the behaviour of \cal and calligraphic.
In a font where the calligraphic letters are in MathItalic all
goes well.
But, in a font where the calligraphic letters come from another
font I get:
\definefontsynonym [Calligraphic] [FONT_OTHER_THAN_MathSymbol]
The font "Calligraphic" is not the same as the math alphabet for \cal,
except when the only calligraphic alphabet available is the one in
the math font. The confusion arises because in text mode, \cal is
remapped to the \calligraphic command. (switching to math mode would
be too hard to do reliably at this point).
B.: Or there could be:
in text: \calligraphic{ABC} is ok
in text: {\cal ABC} is ok
in math: $\calligraphic{ABC}$ is ok
in text: ${\cal ABC}$ is ok
This needs an even weirder definition of \cal, but it can be
done (note: this trashes a math family completely!):
\def\cal%
{\mathortext
{\hbox{%
\symbolicscaledfont{1}{Calligraphic}%
\global\textfont\nnfam=\thedefinedfont
\symbolicscaledfont{0.7}{Calligraphic}%
\global\scriptfont\nnfam=\thedefinedfont
\symbolicscaledfont{0.5}{Calligraphic}%
\global\scriptscriptfont\nnfam=\thedefinedfont}%
\fam\nnfam }
{\symbolicfont{Calligraphic}}}
I would think the most elegant solution is the one where \calligraphic
{ABC} and {\cal ABC} in both text and math modes give the same
result. Thus no exceptional behaviour for one of these four. Any
other choice would in my opinion be confusing and difficult to
understand.
yours sincerely,
Hans van der Meer
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