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${${~:-}//(#m)/$MATCH=$MATCH} fails

X-seq: zsh-users 10708
From: "Nikolai Weibull" <now@xxxxxxxx>
To: "Zsh Users' List" <zsh-users@xxxxxxxxxx>
Subject: ${${~:-*}//(#m)*/$MATCH=$MATCH} fails
Date: Tue, 12 Sep 2006 00:36:30 +0200
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Try the above with an echo.  In zsh 4.3.2, this will give you an
illegal UTF-8 character, an equal sign, and another illegal UTF-8
character.  Is $MATCH accessing uninitialized memory?  Or am I doing
something wrong?

 nikolai

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${${~:-*}//(#m)*/$MATCH=$MATCH} fails

${${~:-}//(#m)/$MATCH=$MATCH} fails