I've made a fix for this problem. Not thorough testing but seems to work.
--- D:/sdk/kwalify-0.7.1/lib/kwalify/parser/yaml.rb Mon Jan 28 08:57:46 2008
+++ c:/Ruby/lib/ruby/gems/1.8/gems/kwalify-0.7.1/lib/kwalify/parser/yaml.rb Mon Nov 09 14:14:50 2009
@@ -233,11 +233,11 @@
def parse_block_value(level, rule, path, uniq_table, container)
skip_spaces_and_comments()
## nil
-...
2009-11-09 13:37:01 UTC by mikaelpahmp