issue2551262 - make mail gateway subject prefix parsing accept spaces Allow spaces before/after prefix. Also allow spaces between classname and id number in prefix designator. So "[ issue 23 ] subject" is parsed like "[issue23] subject".

#!/usr/bin/env python
from __future__ import print_function
import zlib, base64, sys
print(base64.encodestring(zlib.compress(sys.stdin.read())))