filling the vacated position.
To associate custom attributes with particular variables, instead of
-with the entire active file, use @cmd{VARIABLE ATTRIBUTE} instead.
+with the entire active file, use @cmd{VARIABLE ATTRIBUTE} (@pxref{VARIABLE ATTRIBUTE}) instead.
@cmd{DATAFILE ATTRIBUTE} takes effect immediately. It is not affected
by conditional and looping structures such as @cmd{DO IF} or