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(parser::state_type, parser::semantic_type, parser::location_type): Private, not public. (parser::parse): Return ints, not bool. Returning a bool introduces a problem: 0 corresponds to false, and it seems weird to return false on success. Returning true changes the conventions for yyparse. Alternatively we could return void and send an exception. There is no clear consensus (yet?). (state_stack, semantic_stack, location_stack): Rename as... (state_stack_type, semantic_stack_type, location_stack_type): these. Private, not public. * tests/c++.at: New. * tests/testsuite.at, tests/Makefile.am: Adjust.