[ruby-core:30985] [Bug #3512] ri shows '__send__' incorrectly

Bug #3512: ri shows '__send__' incorrectly
http://redmine.ruby-lang.org/issues/show/3512

Author: Tomo Kazahaya
Status: Open, Priority: Normal
Target version: 1.9.x
ruby -v: ruby 1.9.3dev (2010-07-01 trunk 28495) [i686-linux]

Since '_' is used as a word-based markup for emphasizing, Ri description of Object#__send__ is broken:

% ri Object\#send
Object#send

(from ruby core)
------------------------------------------------------------------------------
  obj.send(symbol [, args...])        -> obj
  obj.__send__(symbol [, args...])      -> obj

------------------------------------------------------------------------------

Invokes the method identified by symbol, passing it any arguments
specified. You can use send if the name send clashes with <-- should be 'can use __send__'
an existing method in obj.

  class Klass
    def hello(*args)
      "Hello " + args.join(' ')
    end
  end
  k = Klass.new
  k.send :hello, "gentle", "readers"   #=> "Hello gentle readers"

Following will fix the problem:

% git diff
diff --git a/lib/rdoc/markup/attribute_manager.rb b/lib/rdoc/markup/attribute_ma
index 5b9e070..37014b6 100644
--- a/lib/rdoc/markup/attribute_manager.rb
+++ b/lib/rdoc/markup/attribute_manager.rb
@@ -112,7 +112,7 @@ class RDoc::Markup::AttributeManager
     # first do matching ones
     tags = @matching_word_pairs.keys.join("")
 
-    re = /(^|\W)([#{tags}])([#:\\]?[\w.\/-]+?\S?)\2(\W|$)/
+    re = /(^|[^\w#{NULL}])([#{tags}])([#:\\]?[\w.\/-]+?\S?)\2(\W|$)/
 
     1 while str.gsub!(re) do
       attr = @matching_word_pairs[$2]
@@ -228,8 +228,8 @@ class RDoc::Markup::AttributeManager
 
     @attrs = RDoc::Markup::AttrSpan.new @str.length
 
-    convert_attrs    @str, @attrs
     convert_html     @str, @attrs
+    convert_attrs    @str, @attrs
     convert_specials @str, @attrs
 
     unmask_protected_sequences


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