Lua Taint?

[Bitwise1057]

Unable to recreate, notating for future reference. TRP3 Devs state it's not their end.

26x SendChatMessage(): Invalid escape code in chat message
Lua Taint: totalRP3
[Blizzard_ChatFrameBase/Shared/ChatFrameEditBox.lua]:307: in function 'SendText'
[Blizzard_ChatFrameBase/Shared/ChatFrameEditBox.lua]:407: in function <...s/Blizzard_ChatFrameBase/Shared/ChatFrameEditBox.lua:403>
[C]: ?

Locals:
self=ChatFrame1EditBox FloatingChatFrame.xml:496{
disallowAutoComplete=false
hookedByAceTab3=true
prompt=ChatFrame1EditBoxPrompt ChatFrameEditBox.xml:71
focusLeft=ChatFrame1EditBoxFocusLeft ChatFrameEditBox.xml:27
chatFrame=ChatFrame1 FloatingChatFrame.xml:645
languageID=7
headerSuffix=ChatFrame1EditBoxHeaderSuffix ChatFrameEditBox.xml:54
languageHeader=FontString ChatFrameEditBox.xml:59
focusRight=ChatFrame1EditBoxFocusRight ChatFrameEditBox.xml:33
autoCompleteParams=

autoCompleteXOffset=35
history_lines=
focusMid=ChatFrame1EditBoxFocusMid ChatFrameEditBox.xml:39
language="Common"
tabCompleteTableIndex=1
at3matches=
setText=0
text="/"
addSpaceToAutoComplete=true
history_index=0
lDrag=Frame Editbox.lua:615
chatLanguage="Common"
at3curMatch=0
pratFrame=Frame Editbox.lua:607
header=ChatFrame1EditBoxHeader ChatFrameEditBox.xml:48
addHighlightedText=true
NewcomerHint=ChatFrame1EditBoxNewcomerHint ChatFrameEditBox.xml:65
rDrag=Frame Editbox.lua:621
}
addHistory=1
type="EMOTE"
text="| Snap. Snap. Snap. Fwoosh! A flame ignited over his fingers, a small elamental|r|r flame was held to the end of a cigarette, igniting it before he inhaled sharply. He held it as long as he could before blowing a dense cloud of smoke. "