Polish

renderers/markdown.moon

@@ -17,10 +17,12 @@ write_exec = (input, cmd, ...) ->
 
 convert = =>
   (md_source) ->
-    markup_filename = os.tmpname!
-    write_exec md_source, @cmd, markup_filename
-    Path.read_file markup_filename
+    filename = os.tmpname!
+    write_exec md_source, @cmd, filename
+    Path.read_file filename
 
+-- config command like this in site.moon:
+-- require("renderers.markdown").cmd = "pandoc --mathjax >"
 class PandocRenderer extends require "sitegen.renderers.markdown"
   unescape_cosmo = @unescape_cosmo
   escape_cosmo = @escape_cosmo