Document how to specify a list to --x-includes and --x-libraries.

diff --git a/INSTALL b/INSTALL
index 4b9e9f7b54a15d9a1fb8982e8c06f83d2b5f059d..c0556cd4793018741f735bab281cbd79daa6da76 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -55,7 +55,8 @@ The `--x-includes=DIR' and `--x-libraries=DIR' options tell the build
 process where the compiler should look for the include files and
 object libraries used with the X Window System.  Normally, `configure'
 is able to find them; these options are necessary if you have your X
-Window System files installed in unusual places.
+Window System files installed in unusual places.  These options also
+accept a list of directories, separated with colons.
 
 To get more attractive menus, you can specify an X toolkit when you
 configure Emacs; use the option `--with-x-toolkit=TOOLKIT', where