[S.u.S.E. Linux] libXm.so.2

I downloaded a small office suite that looks for the library libXm.so.2. What does this library belong to and where can I get it? It isn't a Motif library is it? Jerome K. - To get out of this list, please send email to majordomo@suse.com with this text in its body: unsubscribe suse-linux-e