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+++ b/README
@@ -6,9 +6,9 @@ environment for using interactive proof assistants.
This is version 4.0 of Proof General. See About for exact version.
-It is built for Emacs 23. The code should also work with Emacs 22.3,
+It is built for Emacs 23. The code *may* also work with Emacs 22.3,
but you will need to regenerated the byte-compiled files with "make
-clean; make compile".
+clean; make compile". Backward compatibility cannot be guaranteed.
See
INSTALL for installation details.
@@ -25,15 +25,16 @@ Links:
Wiki: http://proofgeneral.inf.ed.ac.uk/wiki
Lists: http://proofgeneral.inf.ed.ac.uk/mailinglist
-Supported proof assistants: Coq, Isabelle, LEGO, PhoX, Plastic
-Experimental (less useful): CCC,ACL2,HOL98,Lambda-Clam,Shell,Twelf,Demoisa
+Supported proof assistants: Coq, Isabelle, LEGO, PhoX
+Experimental (less useful): CCC,ACL2,HOL98,Hol-Light,Lambda-Clam,Shell,Twelf
+ Obsolete instances: Demoisa,Lambda-Clam,Plastic
A few example proofs are included in each prover subdirectory. The
"root2" proofs of the irrationality of the square root of 2 were
proofs written for Freek Wiedijk's challenge in his comparison of
different theorem provers, see http://www.cs.kun.nl/~freek/comparison/.
-Those proof scripts are copyright by their named authors. (NB: most
-of these may have rusted)
+Those proof scripts are copyright by their named authors.
+(NB: most of these have rusted)
Check BUGS files for some static problems and issues. Please report
new bugs on the Trac site at http://proofgeneral.inf.ed.ac.uk/trac.
@@ -42,4 +43,4 @@ For the latest news and downloads, visit Proof General on the web
at: http://proofgeneral.inf.ed.ac.uk
David Aspinall <da+pg-feedback@inf.ed.ac.uk>
-September 2010.
+October 2010.