akr	2011-08-03 00:25:59 +0900 (Wed, 03 Aug 2011)

  New Revision: 32818

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=32818

  Log:
    * lib/prettyprint.rb: update document.  [ruby-core:36776]

  Modified files:
    branches/ruby_1_9_3/ChangeLog
    branches/ruby_1_9_3/lib/prettyprint.rb
    trunk/ChangeLog
    trunk/lib/prettyprint.rb

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 32817)
+++ ChangeLog	(revision 32818)
@@ -1,3 +1,7 @@
+Wed Aug  3 00:11:08 2011  Tanaka Akira  <akr@f...>
+
+	* lib/prettyprint.rb: update document.  [ruby-core:36776]
+
 Tue Aug  2 22:04:46 2011  NARUSE, Yui  <naruse@r...>
 
 	* gc.c (init_heap): allocate sigaltstack after heaps are allocated.
Index: lib/prettyprint.rb
===================================================================
--- lib/prettyprint.rb	(revision 32817)
+++ lib/prettyprint.rb	(revision 32818)
@@ -157,8 +157,15 @@
     end
   end
 
-  # This is similar to #breakable, but is less-likely to insert a newline.
+  # This is similar to #breakable except
+  # the decision to break or not is determined individually.
   #
+  # Two #fill_breakable under a group may cause 4 results:
+  # (break,break), (break,non-break), (non-break,break), (non-break,non-break).
+  # This is different to #breakable because two #breakable under a group
+  # may cause 2 results:
+  # (break,break), (non-break,non-break).
+  #
   # The text sep+ is inserted if a line is not broken at this point.
   #
   # If +sep+ is not specified, " " is used.
Index: ruby_1_9_3/ChangeLog
===================================================================
--- ruby_1_9_3/ChangeLog	(revision 32817)
+++ ruby_1_9_3/ChangeLog	(revision 32818)
@@ -1,3 +1,8 @@
+Wed Aug  3 00:11:08 2011  Tanaka Akira  <akr@f...>
+
+	* lib/prettyprint.rb: update document.  [ruby-core:36776]
+
+
 Tue Aug  2 20:10:16 2011  Shota Fukumori  <sorah@t...>
 
 	* test/testunit/test_parallel.rb: pass "--ruby" option to
Index: ruby_1_9_3/lib/prettyprint.rb
===================================================================
--- ruby_1_9_3/lib/prettyprint.rb	(revision 32817)
+++ ruby_1_9_3/lib/prettyprint.rb	(revision 32818)
@@ -157,8 +157,15 @@
     end
   end
 
-  # This is similar to #breakable, but is less-likely to insert a newline.
+  # This is similar to #breakable except
+  # the decision to break or not is determined individually.
   #
+  # Two #fill_breakable under a group may cause 4 results:
+  # (break,break), (break,non-break), (non-break,break), (non-break,non-break).
+  # This is different to #breakable because two #breakable under a group
+  # may cause 2 results:
+  # (break,break), (non-break,non-break).
+  #
   # The text sep+ is inserted if a line is not broken at this point.
   #
   # If +sep+ is not specified, " " is used.

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