Release Spot 1.2.

* NEWS, configure.ac, doc/org/tools.org: Bump version to 1.2.

NEWS

-New in spot 1.1.4a (not relased)
+New in spot 1.2 (2013-10-01)
 
   * Changes to command-line tools:
 
@@ -63,8 +63,8 @@ New in spot 1.1.4a (not relased)
 
     - ltl2tgba, ltl2tgta, and dstar2tgba can use a SAT-solver to
       minimize deterministic automata.  Doing so is only needed on
-      properties that are stronger than obligations (for which our
-      WDBA-minimization procedure will return a minimimal
+      properties that are stronger than obligations (for obligations
+      our WDBA-minimization procedure will return a minimimal
       deterministic automaton more efficiently) and is disabled by
       default.  See the spot-x(7) man page for documentation about the
       related options: sat-minimize, sat-states, sat-acc, state-based.
@@ -156,11 +156,12 @@ New in spot 1.1.4a (not relased)
     - When minimize_obligation() is not given the formula associated
       to the input automaton, but that automaton is deterministic, it
       can still attempt to call minimize_wdba() and check the correcteness
-      using dtgba_complement().
+      using dtgba_complement().  This allows dstar2tgba to apply
+      WDBA-minimization on deterministic Rabin automata.
 
     - tgba_reachable_iterator_depth_first has been redesigned to
       effectively perform a DFS.  As a consequence, it does not
-      inherit anymore from tgba_reachable_iterator.
+      inherit from tgba_reachable_iterator anymore.
 
     - postproc::set_pref() was used to accept an argument among Any,
       Small or Deterministic.  These can now be combined with Complete
@@ -171,6 +172,10 @@ New in spot 1.1.4a (not relased)
       implication checks slightly.  Also, literals are now sorted
       using strverscmp(), so that p5 comes before p12.
 
+    - Syntactic implication checks have been generalized slightly
+      (for instance 'a & b & F(a & b)' is now reduced to 'a & b'
+      while it was not changed in previous versions).
+
     - All the parsers implemented in Spot now use the same type to
       store locations.
 

configure.ac

@@ -20,7 +20,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 AC_PREREQ([2.61])
-AC_INIT([spot], [1.1.4a], [spot@lrde.epita.fr])
+AC_INIT([spot], [1.2], [spot@lrde.epita.fr])
 AC_CONFIG_AUX_DIR([tools])
 AC_CONFIG_MACRO_DIR([m4])
 AM_INIT_AUTOMAKE([1.11 gnu tar-ustar color-tests parallel-tests])

doc/org/tools.org

-#+TITLE: Command-line tools installed by Spot 1.1.4
+#+TITLE: Command-line tools installed by Spot 1.2
 #+EMAIL spot@lrde.epita.fr
 #+OPTIONS: H:2 num:nil toc:t