Added expr, from Edward Betts <edward@debian.org>, with some fixups
and docs added by me.
 -Erik
diff --git a/AUTHORS b/AUTHORS
index 64114a5..918a001 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -12,6 +12,9 @@
     Tons of new stuff, major rewrite of most of the
     core apps, tons of new apps as noted in header files.
 
+Edward Betts <edward@debian.org>
+    expr, hostid, logname, tty, wc, whoami, yes
+ 
 John Beppu <beppu@lineo.com>
     du, head, nslookup, sort, tee, uniq