Fix ri Hash::\[\]

Author: drbrain

lib/rdoc/ri/driver.rb

@@ -996,9 +996,9 @@ def name_regexp name
 
     case type
     when '#', '::' then
-      /^#{klass}#{type}#{name}$/
+      /^#{klass}#{type}#{Regexp.escape name}$/
     else
-      /^#{klass}(#|::)#{name}$/
+      /^#{klass}(#|::)#{Regexp.escape name}$/
     end
   end
 

test/test_rdoc_ri_driver.rb

@@ -572,11 +572,18 @@ def test_method_type
   def test_name_regexp
     assert_equal %r%^RDoc::AnyMethod#new$%,
                  @driver.name_regexp('RDoc::AnyMethod#new')
+
     assert_equal %r%^RDoc::AnyMethod::new$%,
                  @driver.name_regexp('RDoc::AnyMethod::new')
 
     assert_equal %r%^RDoc::AnyMethod(#|::)new$%,
                  @driver.name_regexp('RDoc::AnyMethod.new')
+
+    assert_equal %r%^Hash(#|::)\[\]$%,
+                 @driver.name_regexp('Hash.[]')
+
+    assert_equal %r%^Hash::\[\]$%,
+                 @driver.name_regexp('Hash::[]')
   end
 
   def test_list_known_classes