Thank you, Wolfgang. I'll try to get into my tomorrow's clean head and
wikify it. )
What's the problem with my answer, i described differences between \def
and \define
and the most important one is point one, i'll show it to you in two
examples
1. \def
\starttext
\def\hans{hans}
\def\hans{taco}
\hans
\stoptext
the output of this example is 'taco' because the second \def statement
overides the first
2. \define
\starttext
\define\hans{hans}
\define\hans{taco}
\stoptext
the output now is 'hans' because \define checks whether a command with
the name \hans
is already defined, if this isn't true \hans is created with the content
'hans' while
in the second \define \hans is already available and nothing happens but
you get
a warning on the terminal
system : command \hans is already defined
to summary this you can say \def is for developers and \define for users
but this won't
work in all cases because \define can't create commands with optional
arguments :(
Wolfgang
--
Best Regards,
Vyatcheslav Yatskovsky
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