Problem: Modula-2 files with a specified priority are not detected.
Solution: Match the priority syntax in module header lines when
performing heuristic content detection.
Disable the :defcompile debug line. This was accidentally left enabled
in commit 68a8947.
Signed-off-by: Doug Kearns <dougkearns@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>