Gave TkEND_OF_SCRIPT#text a value

This allows __END__ to be shown in HTML verbatim blocks

Conflicts:
	History.rdoc

History.rdoc

@@ -6,6 +6,8 @@
   * Fixed lexing of character syntax (<code>?x</code>).  Reported by Xavier
     Noria.
   * Fixed tokenization of % when it is not followed by a $-string type
+  * Fixed display of __END__ in documentation examples in HTML output
+
 
 === 3.12.1 / 2013-02-05
 

lib/rdoc/ruby_lex.rb

@@ -412,7 +412,7 @@ def token
   def lex_init()
     @OP = IRB::SLex.new
     @OP.def_rules("\0", "\004", "\032") do |op, io|
-      Token(TkEND_OF_SCRIPT)
+      Token(TkEND_OF_SCRIPT, '')
     end
 
     @OP.def_rules(" ", "\t", "\f", "\r", "\13") do |op, io|
@@ -808,7 +808,8 @@ def lex_int2
 
     @OP.def_rule("_") do
       if peek_match?(/_END__/) and @lex_state == EXPR_BEG then
-        Token(TkEND_OF_SCRIPT)
+        6.times { getc }
+        Token(TkEND_OF_SCRIPT, '__END__')
       else
         ungetc
         identify_identifier

test/test_rdoc_ruby_lex.rb

@@ -30,6 +30,17 @@ def test_class_tokenize
     assert_equal expected, tokens
   end
 
+  def test_class_tokenize___END__
+    tokens = RDoc::RubyLex.tokenize '__END__', nil
+
+    expected = [
+      @TK::TkEND_OF_SCRIPT.new(0, 1, 0, '__END__'),
+      @TK::TkNL           .new(7, 1, 7, "\n"),
+    ]
+
+    assert_equal expected, tokens
+  end
+
   def test_class_tokenize_character_literal
     tokens = RDoc::RubyLex.tokenize "?\\", nil