knu	2008-05-19 05:27:39 +0900 (Mon, 19 May 2008)

  New Revision: 16459

  Modified files:
    branches/ruby_1_8/NEWS

  Log:
    Add an entry about String#{to_i,oct,hex} not accepting a sequence of
    underscores (`__').


  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/branches/ruby_1_8/NEWS?r1=16459&r2=16458&diff_format=u

Index: ruby_1_8/NEWS
===================================================================
--- ruby_1_8/NEWS	(revision 16458)
+++ ruby_1_8/NEWS	(revision 16459)
@@ -351,6 +351,24 @@
 
 === Compatibility issues (excluding feature bug fixes)
 
+* String#to_i, String#hex and String#oct no longer accept a sequence
+  of underscores (`__').
+
+    # Ruby 1.8.6
+    '1__0'.to_i     #=> 10
+    '1__0'.to_i(2)  #=> 2  # 0b10
+    '1__0'.oct      #=> 8  # 010
+    '1__0'.hex      #=> 16 # 0x10
+
+    # Ruby 1.8.7
+    '1__0'.to_i     #=> 1
+    '1__0'.to_i(2)  #=> 1
+    '1__0'.oct      #=> 1
+    '1__0'.hex      #=> 1
+
+  The old behavior was inconsistent with Ruby syntax and considered as
+  a bug.
+
 * tempfile
 
   * The file name format has changed.  No dots are included by default

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