[ruby/rdoc] Get rid of ruby-mode.el confusions

https://github.com/ruby/rdoc/commit/63fac51198

lib/rdoc/parser/c.rb

@@ -1015,7 +1015,8 @@ class RDoc::Parser::C < RDoc::Parser
                           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
 
 

test/rdoc/test_rdoc_parser_ruby.rb

@@ -921,7 +921,7 @@ end
       @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