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From: rh <richard_hubbe11@lavabit.com>
Subject: gitweb
Date: Sun, 28 Oct 2012 16:56:47 -0700
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I'm not using gitweb I was thinking about using it and was looking at the 
cgi and saw this in this file:
https://github.com/git/git/blob/master/gitweb/gitweb.perl

I think I understand the intention but the outcome is wrong.

our %highlight_ext = (
	# main extensions, defining name of syntax;
	# see files in /usr/share/highlight/langDefs/ directory
	map { $_ => $_ }
	qw(py c cpp rb java css php sh pl js tex bib xml awk bat ini spec tcl sql make),
	# alternate extensions, see /etc/highlight/filetypes.conf
	'h' => 'c',
	map { $_ => 'sh' } qw(bash zsh ksh),
	map { $_ => 'cpp' } qw(cxx c++ cc),
	map { $_ => 'php' } qw(php3 php4 php5 phps),
	map { $_ => 'pl' } qw(perl pm), # perhaps also 'cgi'
	map { $_ => 'make'} qw(mak mk),
	map { $_ => 'xml' } qw(xhtml html htm),
);

I think the intent is better met with this, (the print is for show)

our %he = ();
$he{'h'} = 'c';
$he{$_} = $_     for (qw(py c cpp rb java css php sh pl js tex bib xml awk bat ini spec tcl sql make));
$he{$_} = 'cpp'  for (qw(cxx c++ cc));
$he{$_} = 'php'  for (qw(php3 php4 php5 phps));
$he{$_} = 'pl'   for (qw(cgi perl pm));
$he{$_} = 'make' for (qw(mak mk));
$he{$_} = 'xml'  for (qw(xhtml html htm));
$he{$_} = 'sh'   for (qw(bash zsh ksh));

print "$he{$_} $_\n" for(sort {$he{$a} cmp $he{$b}} keys %he);

But then again maybe I misunderstood the intent.  And maybe everyone's happy
with it as-is.