[NTG-context] conditional argument and \doifemptyelse

Pablo Rodriguez oinos at gmx.es
Thu Nov 7 20:07:14 CET 2013


On 11/06/2013 10:33 PM, Wolfgang Schuster wrote:
> Am 06.11.2013 um 20:26 schrieb Pablo Rodriguez <oinos at gmx.es>:
>> [...]
>> Is there no way to make \MyCommand above work with \doifemptyelse even
>> if its third argument is not defined?
> 
> \def\MyCommand
>   {\dotriplegroupempty\doMyCommand}
>   
> \def\doMyCommand#1#2#3%
>   {#1, #2, \ifthirdargument #3\else #1\fi}
> 
> \starttext
> 
> \MyCommand{first}{second}{third}
> 
> \MyCommand{first}{second}
> 
> \stoptext

Wolfgang,

many thanks for your reply and the fix.


Pablo
-- 
http://www.ousia.tk


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