Stefan Huber [Wed, 17 Feb 2021 10:09:23 +0000 (11:09 +0100)]
Limit regex repetition to 255
The BSD implementation of regex has RE_DUP_MAX set to 255, e.g., see man
3 regex for openbsd. Limit the patterns to 255 to support mutt on BSD,
like Mac OS X (Darwin).