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->_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');