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-rw-r--r--README.EXT4
1 files changed, 4 insertions, 0 deletions
diff --git a/README.EXT b/README.EXT
index f850f01097e..68726b793da 100644
--- a/README.EXT
+++ b/README.EXT
@@ -874,6 +874,10 @@ Returns the name corresponding ID.
Returns the name of the class.
+ int rb_respond_to(VALUE object, ID id)
+
+Returns true if the object reponds to the message specified by id.
+
** Instance Variables
VALUE rb_iv_get(VALUE obj, char *name)