Version 4.0 of highlight has renamed the "make" language to
"makefile". So just check the string starts with "make", to handle
both 3.x and 4.x.
I tested that public-inbox does actually work with highlight 4 -- it
can highlight my Makefile fine. :)
is($hls->_shebang2lang(\"#!/usr/bin/perl -w\n"), 'perl', 'perl shebang OK');
is($hls->{-ext2lang}->{'pm'}, 'perl', '.pm suffix OK');
is($hls->{-ext2lang}->{'pl'}, 'perl', '.pl suffix OK');
-is($hls->_path2lang('Makefile'), 'make', 'Makefile OK');
+like($hls->_path2lang('Makefile'), qr/\Amake/, 'Makefile OK');
my $str = do { local $/; open(my $fh, __FILE__); <$fh> };
my $orig = $str;