Add bracket correspondence for nesting to parse_method_or_yield_parameters

Author: aycabta

lib/rdoc/parser/ruby.rb

@@ -1587,6 +1587,10 @@ def parse_method_or_yield_parameters(method = nil,
       case tk[:kind]
       when :on_semicolon then
         break if nest == 0
+      when :on_lbracket then
+        nest += 1
+      when :on_rbracket then
+        nest -= 1
       when :on_lbrace then
         nest += 1
       when :on_rbrace then