diff -r e6fcb279fdbe -r 9d319a76dbeb NEWS
--- a/NEWS Sat Oct 30 20:39:01 1999 +0200
+++ b/NEWS Sat Oct 30 20:41:30 1999 +0200
@@ -1,8 +1,9 @@
+
Isabelle NEWS -- history user-relevant changes
==============================================
-New in this Isabelle version
-----------------------------
+New in Isabelle99 (October 1999)
+--------------------------------
*** Overview of INCOMPATIBILITIES (see below for more details) ***
@@ -55,12 +56,12 @@
*** General ***
-* new Isabelle/Isar subsystem provides an alternative to traditional
+* New Isabelle/Isar subsystem provides an alternative to traditional
tactical theorem proving; together with the ProofGeneral/isar user
interface it offers an interactive environment for developing human
readable proof documents (Isar == Intelligible semi-automated
reasoning); for further information see isatool doc isar-ref,
-src/HOL/Isar_examples and http://isabelle.in.tum.de/Isar/;
+src/HOL/Isar_examples and http://isabelle.in.tum.de/Isar/
* improved presentation of theories: better HTML markup (including
colors), graph views in several sizes; isatool usedir now provides a
@@ -69,8 +70,7 @@
theories only); see isatool doc system for more information;
* native support for Proof General, both for classic Isabelle and
-Isabelle/Isar (the latter is slightly better supported and more
-robust);
+Isabelle/Isar;
* ML function thm_deps visualizes dependencies of theorems and lemmas,
using the graph browser tool;
@@ -90,7 +90,7 @@
more robust handling of platform specific ML images for SML/NJ;
* the settings environment is now statically scoped, i.e. it is never
-read again in sub-processes invoked from isabelle, isatool, or
+created again in sub-processes invoked from isabelle, isatool, or
Isabelle;
* path element specification '~~' refers to '$ISABELLE_HOME';
@@ -125,8 +125,8 @@
* new shorthand tactics ftac, eatac, datac, fatac;
* qed (and friends) now accept "" as result name; in that case the
-result is not stored, but proper checks and presentation of the result
-still apply;
+theorem is not stored, but proper checks and presentation of the
+result still apply;
* theorem database now also indexes constants "Trueprop", "all",
"==>", "=="; thus thms_containing, findI etc. may retrieve more rules;
@@ -246,8 +246,8 @@
HOL/List; hardly an INCOMPATIBILITY since '>>' syntax is used all the
time;
-* HOL: new tactic smp_tac: int -> int -> tactic, which applies spec several
- times and then mp
+* HOL: new tactic smp_tac: int -> int -> tactic, which applies spec
+several times and then mp;
*** LK ***
@@ -317,8 +317,8 @@
* proper handling of dangling sort hypotheses (at last!);
Thm.strip_shyps and Drule.strip_shyps_warning take care of removing
extra sort hypotheses that can be witnessed from the type signature;
-the force_strip_shyps is gone, any remaining shyps are simply left in
-the theorem (with a warning issued by strip_shyps_warning);
+the force_strip_shyps flag is gone, any remaining shyps are simply
+left in the theorem (with a warning issued by strip_shyps_warning);