Finalizer documentation, minor improvements

* doc/lispref/objects.texi (Finalizer Type): New section
(Type Predicates): Mention finalizers in `type-of' documentation.
* doc/lispref/elisp.texi (Top): Link to finalizer type.

* src/data.c (Ftype_of): Make `type-of' work with finalizers.
(syms_of_data): Register Qfinalizer.

* src/print.c (print_object): Print whether a finalizer has
been called.

* test/automated/finalizer-tests.el (finalizer-object-type): Test that
`type-of' works correctly for finalizers.

2 files changed, 8 insertions, 0 deletions

diff --git a/test/ChangeLog b/test/ChangeLog
index 64ad85198af..3a311e97aa5 100644
--- a/test/ChangeLog
+++ b/test/ChangeLog
@@ -1,3 +1,8 @@
+2015-03-03  Daniel Colascione  <dancol@dancol.org>
+
+        * automated/finalizer-tests.el (finalizer-object-type): Test that
+        `type-of' works correctly for finalizers.
+
 2015-03-02  Daniel Colascione  <dancol@dancol.org>
 
         * automated/generator-tests.el: New tests
diff --git a/test/automated/finalizer-tests.el b/test/automated/finalizer-tests.el
index 5308f01085b..4746dbea9b7 100644
--- a/test/automated/finalizer-tests.el
+++ b/test/automated/finalizer-tests.el
@@ -76,3 +76,6 @@
       (should (equal
                (buffer-substring (point) (point-at-eol))
                "finalizer failed: (error \"ABCDEF\")")))))
+
+(ert-deftest finalizer-object-type ()
+  (should (equal (type-of (make-finalizer nil)) 'finalizer)))