work on documentation

[pspp] / doc / language.texi

diff --git a/doc/language.texi b/doc/language.texi
index 1ada94aa5d703d2444c3cd80ed1d22b5d5040f8e..0bab21289791056153577106549a3bf6b57aef21 100644 (file)
--- a/doc/language.texi
+++ b/doc/language.texi
@@ -1,5 +1,5 @@
 @c PSPP - a program for statistical analysis.
-@c Copyright (C) 2017 Free Software Foundation, Inc.
+@c Copyright (C) 2017, 2020 Free Software Foundation, Inc.
 @c Permission is granted to copy, distribute and/or modify this document
 @c under the terms of the GNU Free Documentation License, Version 1.3
 @c or any later version published by the Free Software Foundation;
@@ -507,6 +507,10 @@ they are displayed.  Example: a width of 8, with 2 decimal places.
 Similar to print format, but used by the @cmd{WRITE} command
 (@pxref{WRITE}).
 
+@cindex measurement level
+@item Measurement level
+Nominal, ordinal, or scale.
+
 @cindex custom attributes
 @item Custom attributes
 User-defined associations between names and values.  @xref{VARIABLE
@@ -537,7 +541,12 @@ shuffled around.
 @cindex @code{$DATE}
 @item $DATE
 Date the @pspp{} process was started, in format A9, following the
-pattern @code{DD MMM YY}.
+pattern @code{DD-MMM-YY}.
+
+@cindex @code{$DATE11}
+@item $DATE11
+Date the @pspp{} process was started, in format A11, following the
+pattern @code{DD-MMM-YYYY}.
 
 @cindex @code{$JDATE}
 @item $JDATE