(edt-emulation-on): Handle absence of TERM envvar.

diff --git a/lisp/emulation/edt.el b/lisp/emulation/edt.el
index 18deb138d96390369cafd5fd9819a835199f6c73..f03a2b8cf11c61da191dea1ebb3e02e9921ee509 100644 (file)
--- a/lisp/emulation/edt.el
+++ b/lisp/emulation/edt.el
@@ -1485,7 +1485,7 @@ If FILE is nil, try to load a default file.  The default file names are
   ;; If using MS-DOS or Windows, need to load edt-pc.el
   (if (memq system-type '(ms-dos windows-nt))
       (setq edt-term "pc")
-    (setq edt-term (getenv "TERM")))
+    (setq edt-term (or (getenv "TERM") "")))
   ;; All DEC VT series terminals are supported by loading edt-vt100.el
   (if (string-equal "vt" (substring edt-term 0 (min (length edt-term) 2)))
       (setq edt-term "vt100"))