> do you have an example of usage
Yes, I am trying to create the command \operatorname in ConTeXt. I know
that in LaTeX \operatorname{xyz} is equivalent to
\mathop{\newmcodes@\kern\z@\operator@font xyz}\csname nolimits@\endcsname}
according to the AMSopn package (
http://www.bakoma-tex.com/doc/latex/amsmath/amsopn.pdf), and I am trying to
translates that in ConTeXt:
\mathop{\newmcodes@\kern\zeropoint\mfunction{xyz}}\nolimits
but \newmcodes@ produces an error.
In LaTeX, \newmcodes@ is defined as
\begingroup \catcode`\"=12
\gdef\newmcodes@{\mathcode`\'39\mathcode`\*42\mathcode`\."613A%
\ifnum\mathcode`\-=45 \else
\mathchardef\std@minus\mathcode`\-\relax
\fi
\mathcode`\-45\mathcode`\/47\mathcode`\:"603A\relax}
\endgroup
according to the AMSopn package, so I have copied the code in my document
(I only removed the @ so that I don't have to convert its catcode) but the
if condition gives an error (however it compiles fine without the if
condition).
I also know that there is the ConTeXt command
\definemathcommand[nolop]{xyz} which I thought stands as an equivalent to
the \operatorname wrapper \DeclareMathOperator, but apparently not since it
doe not use the 3 commands
1. \newmcodes@
2. \kern\z@
3. \operator@font
in it, so I wonder the point of such a wrapper since all it seems it does
is translates to
\mathop{xyz}\nolimits
To sum up, I would like to have a \DeclareMathOperator in ConTeXt, so here
are my 2 questions:
1. What is the ConTeXt equivalent of \newmcodes@?
2. What is the point of \definemathcommand?
Maggyero
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