lib/asciimath/parser.rb in asciimath-1.0.5 vs lib/asciimath/parser.rb in asciimath-1.0.6

@@ -475,10 +475,10 @@
       case t1[:type]
         when :lparen, :lrparen
           t2 = tok.next_token
           case t2[:type]
             when :rparen, :lrparen
-              {:type => :paren, :e => e, :lparen => t1[:value], :rparen => t2[:value]}
+              {:type => :paren, :e => nil, :lparen => t1[:value], :rparen => t2[:value]}
             else
               tok.push_back(t2)
 
               e = parse_expression(tok, depth + 1)