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@@ -4,7 +4,11 @@ Proof General is a generic Emacs interface for proof assistants.
The aim of the Proof General project is to provide a powerful, generic
environment for using interactive proof assistants.
-This is version 4.0 of Proof General. See About screen for exact version.
+This is version 4.0 of Proof General. See About for exact version.
+
+It is built for Emacs 23. The code will also work with Emacs 22.3,
+but you will need to regenerated the byte-compiled files
+with "make clean; make compile".
See
INSTALL for installation details.