Fix problem with private alias to public method

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5355 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,9 @@
+Wed Dec 31 11:17:37 2003  Dave Thomas  <dave@pragprog.com>
+
+	* lib/rdoc/generators/html_generator.rb: Fix problem when
+	  a public method was aliased, but the alias is then
+	  made private, and hence doesn't appear in RDoc output.
+
 Wed Dec 31 01:33:05 2003  Dave Thomas  <dave@pragprog.com>
 
 	* array.c, error.c, eval.c, io.c, prec.c, range.c, re.c,

lib/rdoc/generators/html_generator.rb

@@ -412,14 +412,18 @@ module Generators
               row["aref"]        = m.aref
               row["visibility"]  = m.visibility.to_s
 
-              unless m.aliases.empty?
-                row["aka"] = m.aliases.map do |other| 
-                  {
+              alias_names = []
+              m.aliases.each do |other|
+                if other.viewer   # won't be if the alias is private
+                  alias_names << {
                     'name' => other.name,
                     'aref'  => other.viewer.as_href(path)
                   } 
                 end
               end
+              unless alias_names.empty?
+                row["aka"] = alias_names
+              end
 
               if @options.inline_source
                 code = m.source_code