Added the undofile() function. Updated runtime files.
diff --git a/runtime/doc/workshop.txt b/runtime/doc/workshop.txt
index e4cc91a..ae676de 100644
--- a/runtime/doc/workshop.txt
+++ b/runtime/doc/workshop.txt
@@ -89,10 +89,10 @@
The XPM library is provide by Arnaud Le Hors of the French National Institute
for Research in Computer Science and Control. It can be downloaded from
-http://koala.ilog.fr/ftp/pub/xpm. The current release, as of this writing, is
-xpm-3.4k-solaris.tgz, which is a gzip'ed tar file. If you create the directory
-/usr/local/xpm and untar the file there you can use the uncommented lines in
-the Makefile without changing them. If you use another xpm directory you will
-need to change the XPM_DIR in src/Makefile.
+http://cgit.freedesktop.org/xorg/lib/libXpm. The current release, as of this
+writing, is xpm-3.4k-solaris.tgz, which is a gzip'ed tar file. If you create
+the directory /usr/local/xpm and untar the file there you can use the
+uncommented lines in the Makefile without changing them. If you use another
+xpm directory you will need to change the XPM_DIR in src/Makefile.
vim:tw=78:ts=8:ft=help:norl: