It's difficult to understand them from the code.
-- ruini
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Ruini Xue wrote:
It's difficult to understand them from the code.
the first one issues a warning when no argument is given
-
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061
:
==
\def\test
{\dodoubleargument\dotest} % use \dodoubleempty
\def\dotest[#1][#2]
{\iffirstargument
First arg: #1
\fi
\ifsecondargument
Second arg: #2
\fi}
\test[ok][ok] % 1. this is ok
\test [ok] [] % 2. warning?
\test [wrong] % 3. Error: lack one arg
mandatory
arguments? I try this example:
==
\def\test
{\dodoubleargument\dotest} % use \dodoubleempty
\def\dotest[#1][#2]
You need a comment sign at the end of the line.
\def\dotest[#1][#2]%
{\iffirstargument
First arg: #1
\fi
\ifsecondargument
Wolfgang Schuster schuster.wolfgang at googlemail.com writes:
You need a comment sign at the end of the line.
\def\dotest[#1][#2]%
All my faults come from the last comment sign! :)
Thanks
-- ruini
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If
Ruini Xue wrote:
Hans Hagen pragma at wxs.nl writes:
Ruini Xue wrote:
It's difficult to understand them from the code.
the first one issues a warning when no argument is given
You mean both of them ask the following \command to take two mandatory
arguments? I try this example:
we use
