Hi.
Sorry, I meant \def\foo#1#2#3{#1#2#3} and \def\foo#+#+#+{#1#2#3}.
Jairo :)
El lun., 13 de jul. de 2020 a la(s) 19:08, Jairo A. del Rio (
jairoadelr...@gmail.com) escribió:
> Hi list!
>
> In evenmore pp. 76-77, concerning LMTX extended macro parsing, the
> following examples of #0, #+ and #- are given
>
> \def\TestA#1#2#3{{(#1)(#2)(#3)}}
> \def\TestB#1#0#3{(#1)(#2)(#3)}
> \def\TestC#1#+#3{(#1)(#2)(#3)}
> \def\TestD#1#-#2{(#1)(#2)}
>
> So
>
> \TestA1{\red 2}3
> \TestB1{\red 2}3
> \TestC1{\red 2}3
> \TestD1{\red 2}3
>
> give
>
> (1)(2)(3) % red from "2" onward
> (1)()(3)
> (1)(2)(3) % only "2" is colored
> (1)(3)
>
> What I guess is that #+ pass an argument, grouping braces included (the
> report says an argument is passed "as-is"). I see it as really useful. But,
> apart from the example above, are there any other differences between
> doing, say, \def\foo#1#2#3 and \def\foo#+#+#+{#1#2#3}? Thank you very much.
>
> Cordially,
>
> Jairo :)
>
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