Merge branch 'master' into next

NEWS

@@ -1,4 +1,4 @@
-New in spot 2.9.6.dev (not yet released)
+New in spot 2.9.7.dev (not yet released)
 
   Build:
 
@@ -237,12 +237,6 @@ New in spot 2.9.6.dev (not yet released)
   - tgba_determinize() could create parity automata using more colors
     than necessary.  (Related to issue #298)
 
-  - Some formulas using ->, <->, or xor were not properly detected as
-    purely universal or pure eventualities.
-
-  - autfilt --keep-states=... could incorrectly mention --mask-acc
-    when diagnosing errors.
-
   Deprecation notices:
 
   - twa_graph::defrag_states() and digraph::defrag_states() now take
@@ -250,6 +244,21 @@ New in spot 2.9.6.dev (not yet released)
     old prototype is still supported but will emit a deprecation
     warning.
 
+New in spot 2.9.7 (2021-05-12)
+
+  Bugs fixed:
+
+  - Some formulas using ->, <->, or xor were not properly detected as
+    purely universal or pure eventualities.
+
+  - autfilt --keep-states=... could incorrectly mention --mask-acc
+    when diagnosing errors.
+
+  - Work around GraphViz issue 1931, causing spurious failures in the
+    test suite.
+
+  - Miscelaneous documentation fixes.
+
 New in spot 2.9.6 (2021-01-18)
 
   Build:

bin/spot-x.cc

@@ -236,7 +236,7 @@ sets.  By default this is only enabled when options -B or -S are used.") },
           "Chose which simulation based reduction to use: 1 force the \
 signature-based BDD implementation, 2 force matrix-based and 0, the default, \
 is a heristic wich choose which implementation to use.") },
-    { nullptr, 0, nullptr, 0, nullptr, 0 },
+    { nullptr, 0, nullptr, 0, nullptr, 0 }
   };
 
 const struct argp_child children[] =

configure.ac

@@ -21,7 +21,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 AC_PREREQ([2.69])
-AC_INIT([spot], [2.9.6.dev], [spot@lrde.epita.fr])
+AC_INIT([spot], [2.9.7.dev], [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/setup.org

@@ -1,11 +1,11 @@
 #+OPTIONS: H:2 num:nil toc:t html-postamble:nil ^:nil
 #+EMAIL: spot@lrde.epita.fr
 #+HTML_LINK_HOME: index.html
-#+MACRO: SPOTVERSION 2.9.6
-#+MACRO: LASTRELEASE 2.9.6
-#+MACRO: LASTTARBALL [[http://www.lrde.epita.fr/dload/spot/spot-2.9.6.tar.gz][=spot-2.9.6.tar.gz=]]
-#+MACRO: LASTNEWS [[https://gitlab.lrde.epita.fr/spot/spot/blob/spot-2-9-6/NEWS][summary of the changes]]
-#+MACRO: LASTDATE 2021-01-18
+#+MACRO: SPOTVERSION 2.9.7
+#+MACRO: LASTRELEASE 2.9.7
+#+MACRO: LASTTARBALL [[http://www.lrde.epita.fr/dload/spot/spot-2.9.7.tar.gz][=spot-2.9.7.tar.gz=]]
+#+MACRO: LASTNEWS [[https://gitlab.lrde.epita.fr/spot/spot/blob/spot-2-9-7/NEWS][summary of the changes]]
+#+MACRO: LASTDATE 2021-05-12
 
 #+ATTR_HTML: :id spotlogo
 [[file:spot2.svg]]