From bd950a75b512a7d6243d1f0bb5e944a06a2e1f94 Mon Sep 17 00:00:00 2001
From: kazu <kazu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 3 Feb 2014 03:05:51 +0000
Subject: * error.c: [DOC] Exception#cause may return nil. [ci skip]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44798 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 error.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'error.c')

diff --git a/error.c b/error.c
index 773d679e23..4c95fae484 100644
--- a/error.c
+++ b/error.c
@@ -806,7 +806,7 @@ rb_exc_set_backtrace(VALUE exc, VALUE bt)
 
 /*
  * call-seq:
- *   exception.cause   -> an_exception
+ *   exception.cause   -> an_exception or nil
  *
  * Returns the previous exception ($!) at the time this exception was raised.
  * This is useful for wrapping exceptions and retaining the original exception
-- 
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