Revert "dtudcfonted, dtudcexch: delete from repository"

This reverts commit e0036e6167.

cde/programs/dtudcfonted/README

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+$XConsortium: README /main/3 1996/07/04 02:23:02 cde-fuj $
+UDC font editor and UDC data exchange utility README
+
+
+1) Environment
+
+1.1) XLOCALEDIR environment variable
+
+	- If the NLS database ("XLC_LOCALE" files) locates
+	in different directory from where specified at building
+	time, set the full path name of the correct directory to
+	the XLOCALEDIR environment variable.
+
+1.2) Editable Fonts
+
+	- Currently, only jisx0208 fonts in Japanese locale is
+	defined in NLS database to have UDC. So the dtudcfonted
+	will not show the edit view in other locales than Japanese.
+
+	- If the "fonts.list" file exists in the directories showed
+	below, dtudcfonted and dtudcexch read and get directories
+	from this file to search fonts.
+
+		/usr/dt/config/
+		/usr/dt/config/$LANG
+		$DTUDCFONTS/
+		$DTUDCFONTS/$LANG
+
+	- If the system place fonts in different directories other
+	than listed in this file, you need to add them in it.