--- a/INSTALL	Mon Aug 13 09:50:16 2007 +0200
+++ b/INSTALL	Mon Aug 13 09:51:16 2007 +0200
@@ -283,6 +283,11 @@
 default configuration for your system.  Note that on many systems
 using the system malloc disables the use of the relocating allocator.
 
+The `--use-debug-malloc' option can be used to link a special debugging
+version of malloc.  Debug Malloc is not included with XEmacs, is
+intended for use only by the developers and may be obtained from
+<URL:http://www.letters.com/dmalloc/>.
+
 The `--debug' and `--error-checking' options are intended for use only
 by the developers.  `--debug' adds code to be compiled in for
 performing various tests.  `--error-checking' adds additional tests to