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-rw-r--r--lib/rdoc/parsers/parse_c.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/rdoc/parsers/parse_c.rb b/lib/rdoc/parsers/parse_c.rb
index 1311c5087d..25fc66af3f 100644
--- a/lib/rdoc/parsers/parse_c.rb
+++ b/lib/rdoc/parsers/parse_c.rb
@@ -169,7 +169,7 @@ module RDoc
attr_accessor :progress
extend ParserFactory
- parse_files_matching(/\.(c|cc|cpp|CC)$/)
+ parse_files_matching(/\.(?:([CcHh])\1?|c([+xp])\2|y)\z/)
@@known_bodies = {}