On 4/26/24 19:50, Wolfgang Schuster wrote:
> Pablo Rodriguez via ntg-context schrieb am 26.04.2024 um 19:04:
>> I tried this approach (I hope it isn’t wrong):
>>
>> \starttext
>> \expanded\tolerant\def\MyCommand#_#,#_#,#_#,#_{%
>
> The \expanded modifier is wrong (I guess you meant \unexpanded) but
> which check for the number of arguments you use doesn't matter in a
> document.
You are right, I meant \unexpanded.
> The LMTX version of the \iffourthargument etc. checks is the
> \ifarguments commands where you use \or to set a case for the number of
> argument passed.
Many thanks for explaining this too.
>> But what are these "#_" (which don’t seem to come from TeX)?
>
> Hans added many additions to command parameters in Luametatex and #_
> means the argument to a commands has to be enclosed in braces while #1
> allows you to pass text without it.
I get it now.
> You can find a list with all new command parameters in lowlevel-macros.pdf.
An interesting reading for the weekend.
Many thanks for your help,
Pablo
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