* lib/rdoc.rb, lib/rdoc, test/rdoc: Update to RDoc 4.2.0.alpha(21b241a)

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47521 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 6 insertions, 1 deletions

diff --git a/lib/rdoc/method_attr.rb b/lib/rdoc/method_attr.rb
index 9af64539c3..a0ea851dc5 100644
--- a/lib/rdoc/method_attr.rb
+++ b/lib/rdoc/method_attr.rb
@@ -361,7 +361,12 @@ class RDoc::MethodAttr < RDoc::CodeObject
   end
 
   def pretty_print q # :nodoc:
-    alias_for = @is_alias_for ? "alias for #{@is_alias_for.name}" : nil
+    alias_for =
+      if @is_alias_for.respond_to? :name then
+        "alias for #{@is_alias_for.name}"
+      elsif Array === @is_alias_for then
+        "alias for #{@is_alias_for.last}"
+      end
 
     q.group 2, "[#{self.class.name} #{full_name} #{visibility}", "]" do
       if alias_for then