Don't add sh_LANG class to pre elements when there is no LANG.

matschaffer · Mar 6, 2012 · da71a23 · da71a23
1 parent 4563f40
commit da71a23
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/showoff.rb b/lib/showoff.rb
@@ -300,7 +300,7 @@ def update_commandline_code(slide)
           lines = out.split("\n")
           if lines.first.strip[0, 3] == '@@@'
             lang = lines.shift.gsub('@@@', '').strip
-            pre.set_attribute('class', 'sh_' + lang.downcase)
+            pre.set_attribute('class', 'sh_' + lang.downcase) if !lang.empty?
             code.content = lines.join("\n")
           end
         end