parens            437 maint/gnulib/lib/dfa.c   idx_t parens;		/* Count of outstanding left parens.  */
parens           1399 maint/gnulib/lib/dfa.c           dfa->lex.parens++;
parens           1406 maint/gnulib/lib/dfa.c           if (dfa->lex.parens == 0
parens           1409 maint/gnulib/lib/dfa.c           dfa->lex.parens--;