css: ignore empty lines and comments when compiling.

diff --git a/css/postprocess.py b/css/postprocess.py
index 5d9b5f178c116aeb495b1a616aa1f6de22df17c1..6ab1deb35534955a655dd5263cdd573482db296c 100755 (executable)
--- a/css/postprocess.py
+++ b/css/postprocess.py
@@ -84,6 +84,10 @@ def postprocess(files):
                         out.write("\n")
                         continue
 
+                    # Comment or empty line, ignore
+                    if comment_rx.match(line):
+                        continue
+
                     # Something else, copy verbatim to the output
                     out.write(line)