AT_CHECK([pspp -O format=csv dup-variables.sps], [1],
["dup-variables.sps:24: error: AGGREGATE: Variable name N_BREAK is not unique within the aggregate file dictionary, which contains the aggregate variables and the break variables."
AT_CHECK([pspp -O format=csv dup-variables.sps], [1],
["dup-variables.sps:24: error: AGGREGATE: Variable name N_BREAK is not unique within the aggregate file dictionary, which contains the aggregate variables and the break variables."