text/x-trad
*.tra
((?<=\?\?)|(?<=[^\?]))(\+|'|:)
^(STX|END)\=
((?<=\?\?')|(?<=[^\?]'))(STX|END)\=
^([a-zA-Z]{3})\=
((?<=\?\?')|(?<=[^\?]'))([a-zA-Z]{3})\=
^[^\=]*\=
((?<=\?\?')|(?<=[^\?]'))[^\=]*\=
(?<=['|:|\+|\=])
(?=['|:|\+|\=])
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