Gabble always claims to support FT, even when it's not been told (via Capabilities or ContactCapabilities) that it supports FT. In the 0.8 series, we should probably add a flag on the Capabilities interface, so that MC in its old-school caps fallback mode will set it given a handler for FT channels. In the 0.9 series, we should fix it properly.
Sorry, didn't spot this bug when I wrote the patch. See also... *** This bug has been marked as a duplicate of bug 25243 ***
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