diff --git a/lib/rdoc/markup/attribute_manager.rb b/lib/rdoc/markup/attribute_manager.rb
index 50764510f3..6843e6c3d0 100644
--- a/lib/rdoc/markup/attribute_manager.rb
+++ b/lib/rdoc/markup/attribute_manager.rb
@@ -147,13 +147,7 @@ def convert_attrs(str, attrs, exclusive = false)
   def convert_attrs_matching_word_pairs(str, attrs, exclusive)
     # first do matching ones
     tags = @matching_word_pairs.select { |start, bitmap|
-      if exclusive && exclusive?(bitmap)
-        true
-      elsif !exclusive && !exclusive?(bitmap)
-        true
-      else
-        false
-      end
+      exclusive == exclusive?(bitmap)
     }.keys
     return if tags.empty?
     all_tags = @matching_word_pairs.keys
@@ -176,11 +170,7 @@ def convert_attrs_word_pair_map(str, attrs, exclusive)
     # then non-matching
     unless @word_pair_map.empty? then
       @word_pair_map.each do |regexp, attr|
-        if !exclusive
-          next if exclusive?(attr)
-        else
-          next if !exclusive?(attr)
-        end
+        next unless exclusive == exclusive?(attr)
         1 while str.gsub!(regexp) { |orig|
           updated = attrs.set_attrs($`.length + $1.length, $2.length, attr)
           if updated
@@ -198,13 +188,7 @@ def convert_attrs_word_pair_map(str, attrs, exclusive)
 
   def convert_html(str, attrs, exclusive = false)
     tags = @html_tags.select { |start, bitmap|
-      if exclusive && exclusive?(bitmap)
-        true
-      elsif !exclusive && !exclusive?(bitmap)
-        true
-      else
-        false
-      end
+      exclusive == exclusive?(bitmap)
     }.keys.join '|'
 
     1 while str.gsub!(/<(#{tags})>(.*?)<\/\1>/i) { |orig|
@@ -221,11 +205,7 @@ def convert_html(str, attrs, exclusive = false)
 
   def convert_regexp_handlings str, attrs, exclusive = false
     @regexp_handlings.each do |regexp, attribute|
-      if exclusive
-        next if !exclusive?(attribute)
-      else
-        next if exclusive?(attribute)
-      end
+      next unless exclusive == exclusive?(attribute)
       str.scan(regexp) do
         capture = $~.size == 1 ? 0 : 1
 
diff --git a/lib/rdoc/parser/c.rb b/lib/rdoc/parser/c.rb
index df86d7f452..075f4a072b 100644
--- a/lib/rdoc/parser/c.rb
+++ b/lib/rdoc/parser/c.rb
@@ -1015,7 +1015,8 @@ def handle_method(type, var_name, meth_name, function, param_count,
                           elsif p_count == -1 then # argc, argv
                             rb_scan_args body
                           else
-                            "(#{(1..p_count).map { |i| "p#{i}" }.join ', '})"
+                            args = (1..p_count).map { |i| "p#{i}" }
+                            "(#{args.join ', '})"
                           end
 
 
diff --git a/test/rdoc/test_rdoc_parser_ruby.rb b/test/rdoc/test_rdoc_parser_ruby.rb
index b3026b14ca..ef8ad91668 100644
--- a/test/rdoc/test_rdoc_parser_ruby.rb
+++ b/test/rdoc/test_rdoc_parser_ruby.rb
@@ -921,7 +921,7 @@ def test_parse_class_lower_name_warning
       @parser.parse_class @top_level, RDoc::Parser::Ruby::NORMAL, tk, @comment
     end
     err = stds[1]
-    assert_match(/Expected class name or '<<'\. Got/, err)
+    assert_match(/Expected class name or '<<\'\. Got/, err)
   end
 
   def test_parse_syntax_error_code