Question to key commnad at \setuphead

Question to key commnad at \setuphead

[Tomas Hala]

Hi all,

compiling the ME below (ConTeXt from TeXlive) I got this error message:

! Argument of \MyChapterCommand has an extra }

and I do not know why. What am I doing wrong?

Best wishes,

Tomáš 

===================
\starttext
\def\MyChapterCommand#1#2{::#1//#2==}
%\setuphead [chapter][command=\MyChapterCommand]  %% does not work
 \setupheads[chapter][command=\MyChapterCommand]  %% does not work
\chapter{A}
\stoptext
===================

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Re: Question to key commnad at \setuphead

[Wolfgang Schuster]

Tomas Hala schrieb am 04.03.19 um 18:42:
> Hi all,
> 
> compiling the ME below (ConTeXt from TeXlive) I got this error message:
> 
> ! Argument of \MyChapterCommand has an extra }
> 
> and I do not know why. What am I doing wrong?
> 
> Best wishes,
> 
> Tomáš
> 
> ===================
> \starttext
> \def\MyChapterCommand#1#2{::#1//#2==}

Use

\define[2]\MyChapterCommand{::#1//#2==}

or

\unexpanded\def\MyChapterCommand#1#2{::#1//#2==}

Wolfgang
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Re: Question to key commnad at \setuphead

[Tomas Hala]

Thank you, Wolgang, that's it. 

Yesterday I tried also numbercommand, textcommand, etc. and the described
problem did not appear. Why the key "command" needs \unexpanded and
other keys (*command) not? 

Best wishes,

Tomáš 


Mon, Mar 04, 2019 ve 06:50:27PM +0100 Wolfgang Schuster napsal(a):
# Tomas Hala schrieb am 04.03.19 um 18:42:
# >Hi all,
# >
# >compiling the ME below (ConTeXt from TeXlive) I got this error message:
# >
# >! Argument of \MyChapterCommand has an extra }
# >
# >and I do not know why. What am I doing wrong?
# >
# >Best wishes,
# >
# >Tomáš
# >
# >===================
# >\starttext
# >\def\MyChapterCommand#1#2{::#1//#2==}
# 
# Use
# 
# \define[2]\MyChapterCommand{::#1//#2==}
# 
# or
# 
# \unexpanded\def\MyChapterCommand#1#2{::#1//#2==}
# 
# Wolfgang

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