# Hashes for fast extensions lookup to check if a file falls in one of these
# categories.
my %extensions_no_preprocess = map { $_ => 1 } (
+ # There's no @header_no_preprocess.
@source_no_preprocess,
);
my %extensions_preprocess = map { $_ => 1 } (
=item *
-Return exit code 0, unless there was a error.
+Return exit code 0, unless there was a error (-I, -W messages don't count as
+error).
=back