class { BEGIN(WANT_QSTRING); return TOK_CLASS; }
instance { BEGIN(WANT_QSTRING); return TOK_INSTANCE; }
+window_role { BEGIN(WANT_QSTRING); return TOK_WINDOW_ROLE; }
id { BEGIN(WANT_QSTRING); return TOK_ID; }
con_id { BEGIN(WANT_QSTRING); return TOK_CON_ID; }
con_mark { BEGIN(WANT_QSTRING); return TOK_MARK; }