\if

David Necas (Yeti) yeti at physics.muni.cz
Sun Jul 27 22:32:46 CEST 2003


On Sun, Jul 27, 2003 at 10:21:10PM +0200, Jindrich Michal wrote:
> Jsem zacatecnik a chtel bych se zeptat jak zjistit, jestli jsou dva texty
> ekvivalentni.
>
> \def\a{neco}
> \def\b{taky neco}
> \if\a\b neco \fi %\a i \b se expanduje a porovnavaji se prvni dva tokeny
> tedy n e
> \ifx\a\b neco \fi %zde se zase porovnavaji pouze definice a ja potrebuju,
> aby se \a i \b expandovaly

Nestacilo by

  \edef\A{\a}
  \edef\B{\b}

a porovnavat

  \ifx\A\B

Yeti


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