.\"modify an mapping
.DT
filter_mapping
$MUDNAME$ driver help
filter_mapping

.SH Name
.SI 5
filter_mapping() - return a selective sub-mapping
.EI

.SH Synopsis
.SI 5
mapping filter_mapping( mapping map, string fun, object ob,
			mixed extra, ... );
mapping filter_mapping( mapping map, function fun,
			mixed extra, ... );
.EI

.SH Description
.SP 5 5
filter_mapping() is really the same as the filter() efun.
.EP

.SH See also
.SI 5
filter(), map()
.EI
