[tex-eplain] [solved] Re: Definition with an optional argument

[Rodolfo Medina]

Rodolfo Medina <rodolfo.medina at gmail.com> writes:

> In a certain two-argument definition, I wish that the second argument was
> optional, i.e. if it's not there it is like it didn't exist at all in the
> definition.
>
> I don't understand well the use of \@getoptionalarg and \@optionalarg as
> explained in eplain manual.
>
> Can anybody please provide a clearer example of how I can make one of my two
> arguments optional using \@getoptionalarg and \@optionalarg?


Ok, it seems clearer now.

Rodolfo