From 3772335ae6dad3f65ad42cf5986068a4a7293141 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 14 Jan 2012 12:47:06 +0000
Subject: * README.EXT, README.EXT.ja (rb_protect): add a note when ignoring
 the caught exception.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34302 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 README.EXT    | 2 ++
 README.EXT.ja | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/README.EXT b/README.EXT
index c8c9342e16..a5e48a2a9d 100644
--- a/README.EXT
+++ b/README.EXT
@@ -1262,6 +1262,8 @@ Calls the function func with arg as the argument.  If no exception
 occured during func, it returns the result of func and *state is zero.
 Otherwise, it returns Qnil and sets *state to nonzero.  If state is
 NULL, it is not set in both cases.
+You have to clear the error info with rb_set_errinfo(Qnil) when
+ignoring the caught exception.
 
  void rb_jump_tag(int state)
 
diff --git a/README.EXT.ja b/README.EXT.ja
index ce2b30484a..6278a53c4e 100644
--- a/README.EXT.ja
+++ b/README.EXT.ja
@@ -1336,6 +1336,8 @@ VALUE rb_protect(VALUE (*func) (VALUE), VALUE arg, int *state)
   関数funcをargを引数として実行し, 例外が発生しなければその戻
   り値を返す．例外が発生した場合は, *stateに非0をセットして
   Qnilを返す．
+  rb_jump_tag()を呼ばずに捕捉した例外を無視する場合には，
+  rb_set_errinfo(Qnil)でエラー情報をクリアしなければならない．
 
 void rb_jump_tag(int state)
 
-- 
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