new_contents: from parglare import Grammar, GLRParser
  
  
  def test_issue31_glr_drop_parses_on_lexical_ambiguity():
      grammar = """
      model: element+;
      element: title
             | table_with_note
             | table_with_title;
      table_with_title: table_title table_with_note;
      table_with_note: table note*;
  
      terminals
      title: /title/;   // <-- This is lexically ambiguous with the next.
      table_title: /title/;
      table: "table";
      note: "note";
      """
  
      # this input should yield 4 parse trees.
      input = "title table title table"
  
      g = Grammar.from_string(grammar)
      parser = GLRParser(g, debug=True, debug_colors=True)
      results = parser.parse(input)
  
      # We should have 4 solutions for the input.
      assert len(results) == 4
  
subject: Test for issue #31.