Implemented long variable names a la spss V12.

[pspp-builds.git] / doc / files.texi

diff --git a/doc/files.texi b/doc/files.texi
index 3321390edf6dd76d09617111e82db679edf93623..2701d4dac7f136b965b4b7463862b93e855808fd 100644 (file)
--- a/doc/files.texi
+++ b/doc/files.texi
@@ -226,6 +226,7 @@ SAVE
         /@{COMPRESSED,UNCOMPRESSED@}
         /DROP=var_list
         /KEEP=var_list
         /@{COMPRESSED,UNCOMPRESSED@}
         /DROP=var_list
         /KEEP=var_list

+        /VERSION=version

         /RENAME=(src_names=target_names)@dots{}
 @end display
 
         /RENAME=(src_names=target_names)@dots{}
 @end display
 


@@ -264,6 +265,12 @@ each may be present any number of times.  @cmd{SAVE} never modifies
 the active file.  DROP, KEEP, and RENAME only affect the system file
 written to disk.
 
 the active file.  DROP, KEEP, and RENAME only affect the system file
 written to disk.
 

+The VERSION subcommand specifies the version of the file format. Valid
+versions are '3' and '3x'.  Version 3x system files are identical to
+version 3 files, except that variable names greater than 8 bytes will
+be truncated.  The default version is 3.  The VERSION subcommand is
+optional.  There is no need ever to use it.
+

 @cmd{SAVE} causes the data to be read.  It is a procedure.
 
 @node SYSFILE INFO, XSAVE, SAVE, System and Portable Files
 @cmd{SAVE} causes the data to be read.  It is a procedure.
 
 @node SYSFILE INFO, XSAVE, SAVE, System and Portable Files