URL sanitizer: disabled uppercase letters in URL hex character codes (it was causing conflicts with the Windows/Apache 2.2 alt namespace separator). Thanks Techokami for finding and reporting this bug.
tinyMCE.addI18n('en.emotions_dlg',{
title:"Insert emotion",
desc:"Emotions",
cool:"Cool",
cry:"Cry",
embarassed:"Embarassed",
foot_in_mouth:"Foot in mouth",
frown:"Frown",
innocent:"Innocent",
kiss:"Kiss",
laughing:"Laughing",
money_mouth:"Money mouth",
sealed:"Sealed",
smile:"Smile",
surprised:"Surprised",
tongue_out:"Tongue out",
undecided:"Undecided",
wink:"Wink",
yell:"Yell"
});