Hans van der Meer wrote:
I want to do something with & in tables (making it an active column separator). Now I have a macro with two arguments for parameters in Context style:
\def\starttablex{\dodoubleargument\dostarttablex} ^^^^^^^^ Shouldn't this be \dodoubleempty for optional arguments?
Peter
\def\dostarttablex[#1][#2]{%
Now for input: \starttable[][] & ... all is well, but for input: \starttable[] & ... the ampersand appears to be eaten up by the double argument expansion.
How can I prevent that, letting & end the parameter scanning and using it as the first input?
Hans van der Meer
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