$FUNCNAME$
  DBCLEARFILTER()
$CATEGORY$
  DATABASE
$SUMMARY$
   Clear a filter condition
$LANG_RU$
       ,   SET FILTER.
$SYNTAX$
     DBCLEARFILTER() --> NIL
$LANG_RU$
     DBCLEARFILTER() --> NIL
$RETURNS$
     DBCLEARFILTER() always returns NIL.
$LANG_RU$
     DBCLEARFILTER()   NIL.
$DESCRIPTION$
     DBCLEARFILTER() clears the logical filter condition, if any, for the
     current work area.

     DBCLEARFILTER() performs the same function as the standard SET FILTER
     command with no expression specified.  For more information, refer to
     the SET FILTER command.
$LANG_RU$
     DBCLEARFILTER()   ,    
       .

     DBCLEARFILTER()    ,    
     SET FILTER TO   .   
        SET FILTER.
$EXAMPLES$
       The following example sets a filter, lists data as filtered,
	and then clears the filter:

	USE Employee NEW
	DBSETFILTER( {|| Age < 40}, "Age < 40" )
	LIST Employee->Name
	DBCLEARFILTER()
$SEEALSO$
  DBFILTER(),DBSETFILTER()
$END$
