@menu
* Definitions for opsubst::
@end menu

@node Definitions for opsubst,  , opsubst, opsubst
@section Definitions for opsubst

@deffn {Function} opsubst (@var{f},@var{g},@var{e})
@deffnx {Function} opsubst (@var{g}=@var{f},@var{e})
@deffnx {Function} opsubst ([@var{g1}=@var{f1},@var{g2}=@var{f2},..., @var{gn}=@var{fn}],@var{e})
THIS ITEM NEEDS TO BE TRANSLATED.
@end deffn

