From 493117dcdad6ceb745bb4c4830533606928f05b2 Mon Sep 17 00:00:00 2001
From: Francisco Souza <f@souza.cc>
Date: Wed, 22 Aug 2012 13:51:45 -0300
Subject: [PATCH] libcore: fix doc for char::to_digit

Closes #3249.
---
 src/libcore/char.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libcore/char.rs b/src/libcore/char.rs
index 85e87c9172b..5f4ce9ebd84 100644
--- a/src/libcore/char.rs
+++ b/src/libcore/char.rs
@@ -107,7 +107,7 @@ pure fn is_digit(c: char) -> bool {
  *
  * # Safety note
  *
- * This function fails if `c` is not a valid char
+ * This function returns none if `c` is not a valid char
  *
  * # Return value
  *