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-rw-r--r--doc/ProofGeneral.texi17
1 files changed, 16 insertions, 1 deletions
diff --git a/doc/ProofGeneral.texi b/doc/ProofGeneral.texi
index daa90e5d..f7715aaf 100644
--- a/doc/ProofGeneral.texi
+++ b/doc/ProofGeneral.texi
@@ -199,14 +199,28 @@ other documentation, system downloads, etc.
@menu
+* News for Version 4.2::
* News for Version 4.1::
* News for Version 4.0::
* Future::
* Credits::
@end menu
+@node News for Version 4.2
+@unnumberedsec News for Version 4.2
+@cindex news
+
+Proof General version 4.2 adds the usual round of compatibility fixes,
+to support newer versions of Emacs and Coq. It also contains some
+updates to support HOL Light in a primitive fashion.
+
+It also contains a new mechanism to display proof trees, provided by
+Hendrik Tews and using a bespoke rendering application named
+@uref{http://askra.de/software/prooftree/, Prooftree}.
+
+
@node News for Version 4.1
-@unnumberedsec News for Version 4.0
+@unnumberedsec News for Version 4.1
@cindex news
Proof General version 4.1 adds some compatibility fixes to
@@ -471,6 +485,7 @@ script file for your proof assistant, for example:
@item Isabelle @tab @file{.thy} @tab @code{isar-mode}
@item Phox @tab @file{.phx} @tab @code{phox-mode}
@item HOL98 @tab @file{.sml} @tab @code{hol98-mode}
+@item HOL Light @tab @file{.ml} @tab @code{hol-light-mode}
@item ACL2 @tab @file{.acl2} @tab @code{acl2-mode}
@item Twelf @tab @file{.elf} @tab @code{twelf-mode}
@item Plastic @tab @file{.lf} @tab @code{plastic-mode}