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-rw-r--r--ext/ripper/README3
1 files changed, 1 insertions, 2 deletions
diff --git a/ext/ripper/README b/ext/ripper/README
index 5242c42..0825013 100644
--- a/ext/ripper/README
+++ b/ext/ripper/README
@@ -13,13 +13,12 @@ Requirements
------------
* ruby 1.9 (support CVS HEAD only)
- * bison 1.28 or later (You MUST use bison)
+ * bison 1.28 or later (Other yaccs do not work)
Usage
-----
See test/ripper/* and sample/ripper/*.
- To know thrown events, see lib/ripper.rb.
License
-------