Typing "!" into a channel shouldn't cause the bot to print the list of all bangcodes it knows.

<whoever> !
<wm-bot> There are multiple keys, refine your input: !, $wgServer, ?>, @, @param, 1.17, 1.17_tracking, 1.18, 1.20, 1.21, 1.22, 2.0, 3x, 42, 5.4, a, abusefilter, access, ack, actionpaths, actions, adminsettings, adsense, ajax, allmessages, allowoverride, amend, ampersand, analytics, ancient, anglebrackets, announce, annoyinglittlebug, anonnotice, answer, api, apiclient, apiinternal, around, ask, audit, auth, authentication, autoblock, autoconfirmed, autoload,

Version: unspecified
Severity: major