From: Tom Hughes <tom@compton.nu>
Date: Tue, 21 Feb 2012 19:22:01 +0000 (+0000)
Subject: Make sure we don't attach alert handler multiple times
X-Git-Tag: live~6902
X-Git-Url: https://git.openstreetmap.org/rails.git/commitdiff_plain/bdf476d8cf0a353d66d249d4eb25bde8460a0dcf?hp=bdf476d8cf0a353d66d249d4eb25bde8460a0dcf

Make sure we don't attach alert handler multiple times

Before adding a "not zoomed in enough" alert handler, make sure any
existing handler is removed. Fixes #17.
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