Revert "dtudcfonted, dtudcexch: delete from repository"

This reverts commit e0036e6167.

cde/programs/dtudcexch/README

@@ -0,0 +1,31 @@
+$XConsortium: README /main/3 1996/10/17 01:48:23 cde-fuj $
+/*
+ *  (c) Copyright 1995 FUJITSU LIMITED
+ *  This is source code modified by FUJITSU LIMITED under the Joint
+ *  Development Agreement for the CDEnext PST.
+ *  This is unpublished proprietary source code of FUJITSU LIMITED
+ */
+
+UDC data exchange utility README
+
+Source code and directory structure
+$(TOP)/cde/dtudcexch:
+  Imakefile
+  udcexc.c
+  udcexp.c
+  udcimp.c
+  getbdffn.c
+  excutil.c
+  excutil.h
+  selectx.c
+  exportbdf.c
+  importbdf.c
+
+The dtudcexch command uses following commands.
+  dtaddcpf        dtbdftocpf      dtcpftobdf      dtcpftogpf
+  dtcpgpf         dtfonteditor    dtgpftobdf      dtgpftocpf
+  dtlsgpf
+
+The dtudcexch command uses following libraries.
+  libfal.a
+  liboakfuty.a