[ruby/rdoc] Support newline in the middle of constant definition

https://github.com/ruby/rdoc/commit/74d3984324

lib/rdoc/parser/ruby.rb

@@ -378,7 +378,7 @@ class RDoc::Parser::Ruby < RDoc::Parser
       record_location container
 
       get_tk
-      skip_tkspace_without_nl
+      skip_tkspace
       if :on_lparen == peek_tk[:kind] # ProcObjectInConstant::()
         parse_method_or_yield_parameters
         break

test/rdoc/test_rdoc_parser_ruby.rb

@@ -100,7 +100,7 @@ class C; end
     assert_equal 'E', name_t[:text]
     assert_equal 'D::E', given_name
 
-    assert_raise RDoc::Error do
+    assert_nothing_raised do
       util_parser("A::\nB").get_class_or_module ctxt
     end
   end