Translations:Squid/2/en

and associated configuration variables:
 * UseSquid>Special:MyLanguage/Manual:$wgUseSquid|$wgUseSquid
 * SquidServers>Special:MyLanguage/Manual:$wgSquidServers|$wgSquidServers
 * SquidServersNoPurge>Special:MyLanguage/Manual:$wgSquidServersNoPurge|$wgSquidServersNoPurge