diff --git a/ChangeLog b/ChangeLog
index ed8134b14..48e09d585 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2008-04-17  Emmanuele Bassi  <ebassi@openedhand.com>
+
+	* clutter/clutter-units.h:
+	* clutter/clutter-fixed.h: Add boundaries for fixed point
+	and units values.
+
+	* doc/reference/clutter-sections.txt: Update the documentation.
+
 2008-04-17  Emmanuele Bassi  <ebassi@openedhand.com>
 
 	* autogen.sh: Try to continue even if we don't have gtk-doc
diff --git a/clutter/clutter-fixed.h b/clutter/clutter-fixed.h
index e91d19dcb..a6e7d88b6 100644
--- a/clutter/clutter-fixed.h
+++ b/clutter/clutter-fixed.h
@@ -389,6 +389,24 @@ guint        clutter_powx  (guint x, ClutterFixed y);
 
 typedef struct _ClutterParamSpecFixed   ClutterParamSpecFixed;
 
+/**
+ * CLUTTER_MAXFIXED:
+ *
+ * Higher boundary for #ClutterFixed
+ *
+ * Since: 0.8
+ */
+#define CLUTTER_MAXFIXED        G_MAXINT16
+
+/**
+ * CLUTTER_MINFIXED:
+ *
+ * Lower boundary for #ClutterFixed
+ *
+ * Since: 0.8
+ */
+#define CLUTTER_MINFIXED        G_MININT16
+
 /**
  * ClutterParamSpecFixed
  * @minimum: lower boundary
diff --git a/clutter/clutter-units.h b/clutter/clutter-units.h
index 50af78acb..9e9e2624a 100644
--- a/clutter/clutter-units.h
+++ b/clutter/clutter-units.h
@@ -145,6 +145,24 @@ typedef gint32 ClutterUnit;
 #define CLUTTER_PARAM_SPEC_UNIT(pspec)    (G_TYPE_CHECK_INSTANCE_CAST ((pspec), CLUTTER_TYPE_PARAM_UNIT, ClutterParamSpecUnit))
 #define CLUTTER_IS_PARAM_SPEC_UNIT(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), CLUTTER_TYPE_PARAM_UNIT))
 
+/**
+ * CLUTTER_MAXUNIT:
+ *
+ * Higher boundary for a #ClutterUnit
+ *
+ * Since: 0.8
+ */
+#define CLUTTER_MAXUNIT         G_MAXINT16
+
+/**
+ * CLUTTER_MINUNIT:
+ *
+ * Lower boundary for a #ClutterUnit
+ *
+ * Since: 0.8
+ */
+#define CLUTTER_MINUNIT         G_MININT16
+
 /**
  * CLUTTER_VALUE_HOLDS_UNIT:
  * @x: a #GValue
diff --git a/doc/reference/clutter-sections.txt b/doc/reference/clutter-sections.txt
index dabd822d9..94ca6dd10 100644
--- a/doc/reference/clutter-sections.txt
+++ b/doc/reference/clutter-sections.txt
@@ -54,6 +54,8 @@ CLUTTER_VALUE_HOLDS_UNIT
 clutter_value_set_unit
 clutter_value_get_unit
 <SUBSECTION>
+CLUTTER_MAXUNIT
+CLUTTER_MINUNIT
 ClutterParamSpecUnit
 clutter_param_spec_unit
 <SUBSECTION Standard>
@@ -878,6 +880,8 @@ clutter_value_set_fixed
 clutter_value_get_fixed
 
 <SUBSECTION>
+CLUTTER_MAXFIXED
+CLUTTER_MINFIXED
 ClutterParamSpecFixed
 clutter_param_spec_fixed