doc: Correct documentation for pspp-convert.

[pspp] / doc / pspp-convert.texi

diff --git a/doc/pspp-convert.texi b/doc/pspp-convert.texi
index 7af90a113ce9851f3208110e18cbb47820870eb0..c84d556d8e96b1f0501e81037cbe14bac08f595b 100644 (file)
--- a/doc/pspp-convert.texi
+++ b/doc/pspp-convert.texi
@@ -55,11 +55,11 @@ this format.)
 @end table
 
 @command{pspp-convert} can convert most input formats to most output
-formats.  Encrypted system file and syntax files are exceptions: if
-the input file is in an encrypted format, then the output file must be
-the same format (decrypted).  To decrypt such a file, specify the
-encrypted file as @var{input}.  The output will be the equivalent
-plaintext file.
+formats.  Encrypted SPSS file formats are exceptions: if the input
+file is in an encrypted format, then the output file will be the same
+format (decrypted).  To decrypt such a file, specify the encrypted
+file as @var{input}.  The output will be the equivalent plaintext
+file.  Options for the output format are ignored in this case.
 
 The password for encrypted files can be specified a few different
 ways.  If the password is known, use the @option{-p} option
@@ -68,17 +68,20 @@ If the password is unknown, use the @option{-a} and @option{-l}
 options to specify how to search for it, or @option{--password-list}
 to specify a file of passwords to try.
 
-Use @code{-O @var{extension}} to override the inferred format or to
+Use @code{-O format=@var{format}} to override the inferred format or to
 specify the format for unrecognized extensions.
 
-The following options are accepted:
+@command{pspp-convert} accepts the following options:
 
 @table @option
-@item -O @var{format}
-@itemx --output-format=@var{format}
-Specifies the desired output format.  @var{format} must be one of the
-extensions listed above, e.g. @code{-O csv} requests comma-separated
-value output.
+@item @option{-O format=@var{format}}
+Overrides the format inferred from the output file's extension.  Use
+@option{--help} to list the available formats.  @xref{Invoking PSPP},
+for details of the available output formats.
+
+@item @option{-O @var{option}=@var{value}}
+Sets an option for the output file format.  @xref{Invoking PSPP}, for
+details of the available output options.
 
 @item -c @var{maxcases}
 @itemx --cases=@var{maxcases}