Spreadsheet files created by Gnumeric (@url{http://gnumeric.org}).
@item ODS
-Spreadsheet files in OpenDocument format.
+Spreadsheet files in OpenDocument format (@url{http://opendocumentformat.org}).
@item PSQL
Relations from PostgreSQL databases (@url{http://postgresql.org}).
The TEXTOPTIONS QUALIFIER setting specifies a character that is output
before and after a value that contains the delimiter character or the
-qualifier character. The default is a double quote (@samp{@@}). A
+qualifier character. The default is a double quote (@samp{"}). A
qualifier character that appears within a value is doubled.
@node SYSFILE INFO