INSTALL never documented the etc/*.old thing. Documented the new etc/*.prev

[mmh] / INSTALL

diff --git a/INSTALL b/INSTALL
index 63021e4..ca45be7 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -35,6 +35,14 @@ need an ANSI C compiler such as gcc.
 
 4) make install
 
+   Note that if you have [n]mh files in your install directories with the same
+   names as the files being installed, the old ones will get overwritten without
+   any warning.  The only directory that isn't true for is the `etc' directory
+   -- in that directory, the previous copy of each <file> will be backed up as
+   <file>.prev if it differs from the newly-installed copy.  Watch for any diff
+   output while make is processing that directory to see if you need to merge
+   changes from *.prev files into the new versions.
+
 5) Edit the file `mts.conf' (installed in the nmh `etc' directory)
    and make any necessary changes for the mail transport interface
    you are using.