-matrix.sps:23: error: READ: FORMAT specifies 2 repetitions with record width
-10, which implies field width 5, but BY specifies field width 2.
+matrix.sps:22.25: note: READ: This syntax specifies field width 2.
+ 22 | READ x/FIELD=1 TO 10 BY 2/SIZE={1,2}/FILE='xyzzy.txt'/FORMAT=F5.
+ | ^
+
+matrix.sps:23: error: READ: This command specifies two different field widths.
+
+matrix.sps:23.62-23.65: note: READ: This syntax specifies 2 repetitions.
+ 23 | READ x/FIELD=1 TO 10 BY 2/SIZE={1,2}/FILE='xyzzy.txt'/FORMAT='2F'.
+ | ^~~~
+
+matrix.sps:23.14-23.20: note: READ: This syntax designates record width 10,
+which divided by 2 repetitions implies field width 5.
+ 23 | READ x/FIELD=1 TO 10 BY 2/SIZE={1,2}/FILE='xyzzy.txt'/FORMAT='2F'.
+ | ^~~~~~~
+
+matrix.sps:23.25: note: READ: This syntax specifies field width 2.
+ 23 | READ x/FIELD=1 TO 10 BY 2/SIZE={1,2}/FILE='xyzzy.txt'/FORMAT='2F'.
+ | ^