nobu	2016-11-06 08:58:02 +0900 (Sun, 06 Nov 2016)

  New Revision: 56616

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=56616

  Log:
    shell.rb: suppress warnings
    
    * lib/shell.rb: initialize class instance variables and remove
      writer methods to be overwritten soon.

  Modified files:
    trunk/lib/shell.rb
Index: lib/shell.rb
===================================================================
--- lib/shell.rb	(revision 56615)
+++ lib/shell.rb	(revision 56616)
@@ -99,11 +99,14 @@ class Shell https://github.com/ruby/ruby/blob/trunk/lib/shell.rb#L99
   @debug_display_process_id = false
   @debug_display_thread_id = true
   @debug_output_mutex = Thread::Mutex.new
+  @default_system_path = nil
+  @default_record_separator = nil
 
   class << Shell
     extend Forwardable
 
-    attr_accessor :cascade, :debug, :verbose
+    attr_accessor :cascade, :verbose
+    attr_reader :debug
 
     alias debug? debug
     alias verbose? verbose
@@ -208,7 +211,8 @@ class Shell https://github.com/ruby/ruby/blob/trunk/lib/shell.rb#L211
   # Returns the umask
   attr_accessor :umask
   attr_accessor :record_separator
-  attr_accessor :verbose, :debug
+  attr_accessor :verbose
+  attr_reader :debug
 
   def debug=(val)
     @debug = val

--
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