2012-09-27 Sietse Brouwer <sbbrou...@gmail.com>:
Hi Sietse,
> As I understand it, \define[2] is preferred over \def#1#2 because it
> refuses to overwrite existing commands.
\define overwrites existing commands with pleasure. In contrast to
\def it prints a message to the log file: “\mycommand is already
defined”.
> Can I use \define, or a related command, to define a command that
> takes square-bracket arguments, like so:
> \mycommand[...][...]
\def\mycommand
{\dodoubleempty\domycommand}
\def\domycommand [#1][#2]
{first: #1, second: #2}
\mycommand [foo] [bar]
\mycommand [foo][bar]
\mycommand [foo]
Question for the others: What's the difference of \dodoubleargument
and \dodoubleempty? I expected \dodoubleargument to throw an error
since the arguments are supposed to be mandatory.
Marco
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