fix string comparison, release 1.0

Signed-off-by: Jim Pryor <profjim@jimpryor.net>

diff --git a/pandoc.pm b/pandoc.pm
index 441b71e41f89c02ae068a94f77c28993861726d0..ec3706dc603ad2887cdd672830d2ea2272782a6a 100755 (executable)
--- a/pandoc.pm
+++ b/pandoc.pm
@@ -155,9 +155,10 @@ sub htmlize ($@) {
         push @args, '--section-divs';
     };
 
-       unless ($config{pandoc_codeclasses} == "") {
-               push @args, '--indented-code-classes=' . $config{pandoc_codeclasses};
-       };
+    if ($config{pandoc_codeclasses} && ($config{pandoc_codeclasses} ne "")) {
+        push @args, '--indented-code-classes=' . $config{pandoc_codeclasses};
+    };
+
 
     for ($config{pandoc_math}) {
         if (/^mathjax$/) {