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### Find where to run Emacs.
+### (We don't accept EMACS=t as an answer, since that probably only means
+### that the shell is running in an Emacs window.)
if [ $update = yes ];
if [ -f src/emacs ];
- if [ x$EMACS = x ];
+ if [ "x$EMACS" = "x" -o "x$EMACS" = "xt" ];
echo You must specify the EMACS environment variable 2>&1