[issue965] add urldecode function in zshrc

[Ulrich Dangel]

New submission from Ulrich Dangel <mru at grml.org>:

We have a urlencode function in our zshrc though no urldecode function. It would 
be very nice and helpful ;0 to have both functions.

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messages: 3671
nosy: ft, mru
priority: wish
status: chatting
title: add urldecode function in zshrc
topic: release-stopper, zsh

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GRML issue tracker <bts at bts.grml.org>
<http://bts.grml.org/grml/issue965>
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