AT_CHECK_CALC_LALR([%defines])
AT_CHECK_CALC_LALR([%locations])
-AT_CHECK_CALC_LALR([%name-prefix="calc"]) dnl test deprecated `='
+AT_CHECK_CALC_LALR([%name-prefix "calc"])
AT_CHECK_CALC_LALR([%verbose])
AT_CHECK_CALC_LALR([%yacc])
AT_CHECK_CALC_LALR([%define parse.error verbose])