doc: Improve description of extension subtype 5.

[pspp] / doc / dev / system-file-format.texi

diff --git a/doc/dev/system-file-format.texi b/doc/dev/system-file-format.texi
index c6ac8f71c4436f540540ff034f0b05aecd51970b..ca7c668287634dde3cc9fe5df2b909a593323860 100644 (file)
--- a/doc/dev/system-file-format.texi
+++ b/doc/dev/system-file-format.texi
@@ -16,7 +16,7 @@ that describes how they may be interpreted.  This chapter describes
 the format of a system file.
 
 System files use four data types: 8-bit characters, 32-bit integers,
-64-bit integers, 
+64-bit integers,
 and 64-bit floating points, called here @code{char}, @code{int32},
 @code{int64}, and
 @code{flt64}, respectively.  Data is not necessarily aligned on a word
@@ -558,7 +558,7 @@ The value label record has the following format:
 int32               rec_type;
 int32               label_count;
 
-/* @r{Repeated @code{label_cnt} times}. */
+/* @r{Repeated @code{n_label} times}. */
 char                value[8];
 char                label_len;
 char                label[];
@@ -1518,7 +1518,8 @@ the following believed meanings:
 
 @table @asis
 @item 5
-A set of grouped variables (according to Aapi H@"am@"al@"ainen).
+A named variable set for use in the GUI (according to Aapi
+H@"am@"al@"ainen).
 
 @item 6
 Date info, probably related to USE (according to Aapi H@"am@"al@"ainen).