From 274f8e25103e776ce990bb84be7f149efd6f384b Mon Sep 17 00:00:00 2001 From: Ben Pfaff Date: Sat, 25 Jul 2015 21:57:38 -0700 Subject: [PATCH] system-file-format; Add a little more information gleaned from examples. --- doc/dev/system-file-format.texi | 26 +++++++++++++++++--------- 1 file changed, 17 insertions(+), 9 deletions(-) diff --git a/doc/dev/system-file-format.texi b/doc/dev/system-file-format.texi index 4cb142593d..19a6c05747 100644 --- a/doc/dev/system-file-format.texi +++ b/doc/dev/system-file-format.texi @@ -746,13 +746,16 @@ Size of each piece of data in the data part, in bytes. Always set to 8. Number of pieces of data in the data part. Always set to 3. @item flt64 sysmis; -The system missing value. - -@item flt64 highest; -The value used for HIGHEST in missing values. - -@item flt64 lowest; -The value used for LOWEST in missing values. +@itemx flt64 highest; +@itemx flt64 lowest; +The system missing value, the value used for HIGHEST in missing +values, and the value used for LOWEST in missing values, respectively. +@xref{System File Format}, for more information. + +The SPSSWriter library in PHP, which identifies itself as @code{FOM +SPSS 1.0.0} in the file header record @code{prod_name} field, writes +unexpected values to these fields, but it uses the same values +consistently throughout the rest of the file. @end table @node Multiple Response Sets Records @@ -845,8 +848,8 @@ The short names of the variables in the set, converted to lowercase, each separated from the previous by a single space. Even though a multiple response set must have at least two variables, -some system files contain multiple response sets with no variables at -all. The source and meaning of these multiple response sets is +some system files contain multiple response sets with no variables or +one variable. The source and meaning of these multiple response sets is unknown. (Perhaps they arise from creating a multiple response set then deleting all the variables that it contains?) @@ -1483,6 +1486,11 @@ A set of grouped variables (according to Aapi H@"am@"al@"ainen). @item 6 Date info, probably related to USE (according to Aapi H@"am@"al@"ainen). +@item 12 +A UUID in the format described in RFC 4122. Only two examples +observed, both written by SPSS 13, and in each case the UUID contained +both upper and lower case. + @item 24 XML that describes how data in the file should be displayed on-screen. @end table -- 2.30.2