+AT_DATA([input], [dnl
+0 0 0 àéî
+0 1 0 àéî
+0 2 0 àéî
+0 3 0 àéî
+0 4 0 àéî
+set-length 0 4
+set-length 1 3
+set-length 2 2
+set-length 3 1
+set-length 4 0
+
+0 5 0 あい
+0 6 0 あい
+0 7 0 あい
+0 8 0 あい
+0 9 0 あい
+0 10 0 あい
+set-length 5 5
+set-length 6 4
+set-length 7 3
+set-length 8 2
+set-length 9 1
+set-length 10 0
+])
+AT_CHECK([ascii-test input], [0], [dnl
+àéî
+àéî
+àé
+à
+
+あい
+あい
+あ?
+あ
+?
+])
+AT_CLEANUP
+
+AT_SETUP([ASCII driver syntax printback])
+AT_DATA([ascii.sps], [dnl
+SET PRINTBACK=ON.
+DATA LIST LIST /x * y * a (a23).
+BEGIN DATA.
+1 11 One
+2 22 Two
+3 33 Three
+END DATA.
+
+REGRESSION
+/VARIABLES= a
+/DEPENDENT= x y
+/STATISTICS=COEFF R ANOVA.
+])
+AT_CHECK([pspp ascii.sps], [0], [dnl
+SET PRINTBACK=ON.
+
+DATA LIST LIST /x * y * a (a23).
+
+Reading free-form data from INLINE.
++--------+------+
+|Variable|Format|
++--------+------+
+|x |F8.0 |
+|y |F8.0 |
+|a |A23 |
++--------+------+
+
+BEGIN DATA.
+1 11 One
+2 22 Two
+3 33 Three
+END DATA.
+
+REGRESSION
+/VARIABLES= a
+
+ascii.sps:10.13: warning: REGRESSION: a is not a numeric variable. It will not
+be included in the variable list.
+ 10 | /VARIABLES= a
+ | ^
+
+/DEPENDENT= x y
+/STATISTICS=COEFF R ANOVA.
+])
+
+AT_CLEANUP
+
+AT_SETUP([ASCII unicode box chars])
+
+AT_DATA([uc.sps], [dnl
+SET FORMAT=F8.4.
+DATA LIST NOTABLE LIST /x * .
+BEGIN DATA.
+1
+2
+3
+END DATA.
+
+DESCRIPTIVES X.
+])
+
+
+AT_CHECK([pspp -O box=unicode uc.sps], [0], [dnl
+ Descriptive Statistics
+╭────────────────────┬─┬──────┬───────┬───────┬───────╮
+│ │N│ Mean │Std Dev│Minimum│Maximum│
+├────────────────────┼─┼──────┼───────┼───────┼───────┤
+│x │3│2.0000│ 1.0000│ 1.0000│ 3.0000│
+│Valid N (listwise) │3│ │ │ │ │
+│Missing N (listwise)│0│ │ │ │ │
+╰────────────────────┴─┴──────┴───────┴───────┴───────╯