X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=doc%2Fdata-io.texi;h=1316f603a6aa9d8c0ee832d460817ba645531570;hb=28c9cdd6ad22eae547cc5b3b18395ac733a7c8d4;hp=313e543205a41f430ac864534ce22a132bfabecd;hpb=0b0ca44889e637251cb5f2dbf3c7fdc4ec8b9bd7;p=pspp

diff --git a/doc/data-io.texi b/doc/data-io.texi
index 313e543205..1316f603a6 100644
--- a/doc/data-io.texi
+++ b/doc/data-io.texi
@@ -795,6 +795,9 @@ so an infinite loop results.  @cmd{END FILE}, when executed,
 stops the flow of input data and passes out of the @cmd{INPUT PROGRAM}
 structure.
 
+@cmd{INPUT PROGRAM} must contain at least one @cmd{DATA LIST} or
+@cmd{END FILE} command.
+
 All this is very confusing.  A few examples should help to clarify.
 
 @c If you change this example, change the regression test1 in