--- a/NEWS Fri Oct 21 18:15:00 2005 +0200
+++ b/NEWS Fri Oct 21 18:16:57 2005 +0200
@@ -15,9 +15,13 @@
with Isar theories; migration is usually quite simple with the ML
function use_legacy_bindings. INCOMPATIBILITY.
-* Legacy goal package: removed former user-level functions top_sg,
-prin, printyp, pprint_term/typ, which tend to cause confusion about
-the actual goal (!) context being used here.
+* Legacy goal package: reduced interface to the bare minimum required
+to keep existing proof scripts running. Most other user-level
+functions are now part of the OldGoals structure, which is *not* open
+by default (consider isatool expandshort before open OldGoals).
+Removed top_sg, prin, printyp, pprint_term/typ altogether, because
+these tend to cause confusion about the actual goal (!) context being
+used here, which is not necessarily the same as the_context().
* Command 'find_theorems': support "*" wildcard in "name:" criterion.
@@ -65,6 +69,12 @@
*** ML ***
+* Internal goals: structure Goal provides simple interfaces for
+init/conclude/finish and tactical prove operations (replacing former
+Tactic.prove). Note that OldGoals.prove_goalw_cterm has long been
+obsolete, it is ill-behaved in a local proof context (e.g. with local
+fixes/assumes or in a locale context).
+
* Simplifier: the simpset of a running simplification process now
contains a proof context (cf. Simplifier.the_context), which is the
very context that the initial simpset has been retrieved from (by