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util/helpers.lua @ 8187:4d83876aac3e

MUC: Reject whitespace-only nicknames (fixes #337)
author Kim Alvefur <zash@zash.se>
date Fri, 21 Jul 2017 00:07:34 +0200
parent 7720:7166750fb963
child 8411:a9e8523a5e73
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