[NTG-context] Re: defining macros

[Henning Hraban Ramm <texml@fiee.net>]

Am 10.01.25 um 19:45 schrieb Hans Hagen:
> \tolerant\def\MyMacro[#1]#:#2%
>    {\ifparameter#1\or
>       (#1)
>     \fi
>     /#2/}
> 
> \MyMacro[one]{two}
> 
> \MyMacro{two}

Oops, another variant that I didn’t know.
I must unlearn my remaining MkII stuff…

>> When should I use brackets or other characters in a definition, when not?
> optionals normally have []

Yes, of course, but I’m often surprised by funny characters like #:

>> Which docs should I read?
> 
> how about lowlevel-macros .. but haven't you read all of them by now ?

Apparently not diligently enough.
If at all. Can’t remember any more.

I’m not competent enough to rewrite e.g.
https://wiki.contextgarden.net/System_Macros/Handling_Arguments

Sigh.

HR
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