.) in username within first 3 character preventing from comment replies?
Because I never got replies from anyone else using that feature.
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Ooops, I misspoke in this answer. Apologies.
This was a long-standing bug of too-strict matching on
@foo -- it now uses the proper valid username character set to match,
Will be fixed in next deploy, within a few hours.
I had forgotten about that, but yes, apparently either the FAQ or the implementation need updating.
Note that trailing dots (though valid in a user name) are removed before matching.
Hence Thanks, @name. matches both
Name. with the dot, and
Name without the dot.
But: @R. is too short to notify