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From: LaLibreParole  <vrai.ou.faux@laposte.net>
Newsgroups: fr.comp.lang.postscript
Subject: =?utf-8?Q?R=C3=A9soudre_un_bug?=
Date: Tue, 16 Nov 2021 23:05:39 +0100
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Bonjour,

Il y a un bug dans ce code, mais je n'arrive pas à le trouver.
Pouvez-vous m'aider ?

% draw a grid of 20 x 10 lines
save
0.1 setlinewidth
20 20 translate
0 10 200 { %for
dup 0 moveto 0 100 rlineto
} for
stroke
0 10 100 { %for
0 1 index moveto 200 0 rlineto
} for
stroke
restore