Rewrite expression code.

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

diff --git a/doc/utilities.texi b/doc/utilities.texi
index dfded5c23fb5a72193c084671da007bd0674578d..e59e96fa651fece8e23e0318450cdac97fb21917 100644 (file)
--- a/doc/utilities.texi
+++ b/doc/utilities.texi
@@ -239,6 +239,7 @@ SET
         /BLANKS=@{SYSMIS,'.',number@}
         /DECIMAL=@{DOT,COMMA@}
         /FORMAT=fmt_spec
         /BLANKS=@{SYSMIS,'.',number@}
         /DECIMAL=@{DOT,COMMA@}
         /FORMAT=fmt_spec

+        /EPOCH=@{AUTOMATIC,year@}

 
 (program input)
         /ENDCMD='.'
 
 (program input)
         /ENDCMD='.'


@@ -353,6 +354,15 @@ The default DOT setting causes the decimal point character to be
 @item FORMAT
 Allows the default numeric input/output format to be specified.  The
 default is F8.2.  @xref{Input/Output Formats}.
 @item FORMAT
 Allows the default numeric input/output format to be specified.  The
 default is F8.2.  @xref{Input/Output Formats}.

+
+@item EPOCH
+@anchor{SET EPOCH}
+Specifies the range of years used when a 2-digit year is read from a
+data file or used in a date construction expression (@pxref{Date
+Construction}).  If a 4-digit year is specified, then 2-digit years
+are interpreted starting from that year, known as the epoch.  If
+AUTOMATIC (the default) is specified, then the epoch begins 69 years
+before the current date.

 @end table
 
 Program input subcommands affect the way that programs are parsed when
 @end table
 
 Program input subcommands affect the way that programs are parsed when


@@ -534,8 +544,7 @@ perform.  The security subcommands are
 
 @table @asis
 @item SAFER
 
 @table @asis
 @item SAFER

-When set, this setting cannot ever be reset, for obvious security
-reasons.  Setting this option disables the following operations:
+Setting this option disables the following operations:

 
 @itemize @bullet
 @item
 
 @itemize @bullet
 @item


@@ -550,6 +559,8 @@ Pipe filenames (filenames beginning or ending with @samp{|}).
 
 Be aware that this setting does not guarantee safety (commands can still
 overwrite files, for instance) but it is an improvement.
 
 Be aware that this setting does not guarantee safety (commands can still
 overwrite files, for instance) but it is an improvement.

+When set, this setting cannot be reset during the same session, for
+obvious security reasons.

 @end table
 
 @node SHOW, SUBTITLE, SET, Utilities
 @end table
 
 @node SHOW, SUBTITLE, SET, Utilities