From: Eric Wong <e@80x24.org>
Date: Sun, 29 May 2016 02:07:47 +0000 (+0000)
Subject: txt2pre: remove CGI.pm dependency
X-Git-Tag: v1.0.0~477
X-Git-Url: http://www.git.stargrave.org/?a=commitdiff_plain;h=61a720a97ab942a4134aa105a10532cee50dd01f;p=public-inbox.git

txt2pre: remove CGI.pm dependency

It's no longer a part of the stock Perl distribution,
and we don't need a whole module for just one function.
---

diff --git a/Documentation/txt2pre b/Documentation/txt2pre
index ef6a4f35..2dd1597c 100755
--- a/Documentation/txt2pre
+++ b/Documentation/txt2pre
@@ -1,16 +1,22 @@
 #!/usr/bin/env perl
-# Copyright (C) 2014-2015 all contributors <meta@public-inbox.org>
-# License: AGPLv3 or later (https://www.gnu.org/licenses/agpl-3.0.txt)
+# Copyright (C) 2014-2016 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
 #
 # Stupid script to make HTML from preformatted, utf-8 text versions,
 # only generating links for http(s).  Markdown does too much
 # and requires indentation to output preformatted text.
 use strict;
 use warnings;
-use CGI qw/escapeHTML/;
 use Encode qw/encode/;
 my $str = eval { local $/; <> };
-$str = escapeHTML($str);
+my %xhtml_map = (
+	'"' => '&#34;',
+	'&' => '&#38;',
+	"'" => '&#39;',
+	'<' => '&lt;',
+	'>' => '&gt;',
+);
+$str =~ s/([<>&'"])/$xhtml_map{$1}/ge;
 $str = encode('us-ascii', $str, Encode::HTMLCREF);
 my ($title) = ($str =~ /\A([^\n]+)/);