Add modified opengraph plugin.

[git.ikiwiki.info.git] / IkiWiki / Plugin / teximg.pm

diff --git a/IkiWiki/Plugin/teximg.pm b/IkiWiki/Plugin/teximg.pm
index 0aaa796987d72613f58f0937db83bfe5934d757b..e0f97614b9bf29e7424857e45041ca668c7e449a 100644 (file)
--- a/IkiWiki/Plugin/teximg.pm
+++ b/IkiWiki/Plugin/teximg.pm
@@ -8,10 +8,12 @@ use strict;
 use Digest::MD5 qw(md5_hex);
 use File::Temp qw(tempdir);
 use HTML::Entities;
+use Encode;
 use IkiWiki 3.00;
 
 my $default_prefix = <<EOPREFIX;
 \\documentclass{article}
+\\usepackage[utf8]{inputenc}
 \\usepackage{amsmath}
 \\usepackage{amsfonts}
 \\usepackage{amssymb}
@@ -103,7 +105,7 @@ sub create ($$$) {
                $height = 12;
        }
 
-       my $digest = md5_hex($code, $height);
+       my $digest = md5_hex(Encode::encode_utf8($code), $height);
 
        my $imglink= $params->{page} . "/$digest.png";
        my $imglog =  $params->{page} .  "/$digest.log";
@@ -142,10 +144,10 @@ sub gen_image ($$$$) {
        }
        
        my $tex = $config{teximg_prefix};
-       $tex .= '$$'.$code.'$$';
+       $tex .= '\['.$code.'\]';
        $tex .= $config{teximg_postfix};
-       $tex =~ s!\\documentclass{article}!\\documentclass[${height}pt]{article}!g;
-       $tex =~ s!\\documentclass{scrartcl}!\\documentclass[${height}pt]{scrartcl}!g;
+       $tex =~ s!\\documentclass\{article}!\\documentclass[${height}pt]{article}!g;
+       $tex =~ s!\\documentclass\{scrartcl}!\\documentclass[${height}pt]{scrartcl}!g;
 
        my $tmp = eval { create_tmp_dir($digest) };
        if (! $@ &&