po(scan): make more clear what's being done

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

diff --git a/IkiWiki/Plugin/htmltidy.pm b/IkiWiki/Plugin/htmltidy.pm
index d9aaba4ca1f4e7c6d3ed631089584071df5a2b3f..9ba5e9592b0c84482e01175c5881f901315a4397 100644 (file)
--- a/IkiWiki/Plugin/htmltidy.pm
+++ b/IkiWiki/Plugin/htmltidy.pm
@@ -31,11 +31,11 @@ sub sanitize (@) { #{{{
        my $pid;
        my $sigpipe=0;
        $SIG{PIPE}=sub { $sigpipe=1 };
-       $pid=open2(*IN, *OUT, 'tidy -quiet -asxhtml -utf8 --show-body-only yes --show-warnings no --tidy-mark no --markup yes');
-       
+       $pid=open2(*IN, *OUT, 'tidy -quiet -asxhtml -utf8 --show-body-only yes --show-warnings no --tidy-mark no --markup yes 2>/dev/null');
+
        # open2 doesn't respect "use open ':utf8'"
        binmode (IN, ':utf8');
-       binmode (OUT, ':utf8'); 
+       binmode (OUT, ':utf8');
        
        print OUT $params{content};
        close OUT;
@@ -46,7 +46,7 @@ sub sanitize (@) { #{{{
        waitpid $pid, 0;
 
        $SIG{PIPE}="DEFAULT";
-       return $params{content} if $sigpipe;
+       return "" if $sigpipe || ! defined $ret;
 
        return $ret;
 } # }}}