diff --git a/Gir.toml b/Gir.toml
index 714f5d8..1eb9f99 100644
--- a/Gir.toml
+++ b/Gir.toml
@@ -13,7 +13,6 @@ generate = [
     "Pango.AttrType",
     "Pango.BidiType",
     "Pango.Color",
-    "Pango.Coverage",
     "Pango.CoverageLevel",
     "Pango.Direction",
     "Pango.EllipsizeMode",
@@ -106,6 +105,14 @@ status = "generate"
         name = "language"
         const = true
 
+[[object]]
+name = "Pango.Coverage"
+status = "generate"
+    [[object.function]]
+    name = "new"
+        [object.function.return]
+        nullable = false
+
 [[object]]
 name = "Pango.FontDescription"
 status = "generate"
diff --git a/gir b/gir
index f00d658..9f70278 160000
--- a/gir
+++ b/gir
@@ -1 +1 @@
-Subproject commit f00d658188d192f5cc4e72408c86e15d30ea6f9a
+Subproject commit 9f7027849138bd327ec77470967dc906c3fab051
diff --git a/src/auto/alias.rs b/src/auto/alias.rs
index 9ca6093..309fba2 100644
--- a/src/auto/alias.rs
+++ b/src/auto/alias.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 #[allow(unused_imports)]
diff --git a/src/auto/attr_list.rs b/src/auto/attr_list.rs
index 2ddc019..0538c7e 100644
--- a/src/auto/attr_list.rs
+++ b/src/auto/attr_list.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 use ffi;
@@ -45,3 +45,9 @@ impl AttrList {
         }
     }
 }
+
+impl Default for AttrList {
+    fn default() -> Self {
+        Self::new()
+    }
+}
diff --git a/src/auto/attribute.rs b/src/auto/attribute.rs
index 64cc7be..3ff488e 100644
--- a/src/auto/attribute.rs
+++ b/src/auto/attribute.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 use AttrClass;
diff --git a/src/auto/color.rs b/src/auto/color.rs
index ecb0297..9247033 100644
--- a/src/auto/color.rs
+++ b/src/auto/color.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 use ffi;
diff --git a/src/auto/context.rs b/src/auto/context.rs
index 1306c45..26ba92c 100644
--- a/src/auto/context.rs
+++ b/src/auto/context.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 use Direction;
@@ -36,6 +36,12 @@ impl Context {
     }
 }
 
+impl Default for Context {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 pub trait ContextExt {
     #[cfg(feature = "v1_32_4")]
     fn changed(&self);
diff --git a/src/auto/coverage.rs b/src/auto/coverage.rs
index e767875..23e0a17 100644
--- a/src/auto/coverage.rs
+++ b/src/auto/coverage.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 use CoverageLevel;
@@ -58,9 +58,15 @@ impl Coverage {
         }
     }
 
-    pub fn new() -> Option<Coverage> {
+    pub fn new() -> Coverage {
         unsafe {
             from_glib_none(ffi::pango_coverage_new())
         }
     }
 }
+
+impl Default for Coverage {
+    fn default() -> Self {
+        Self::new()
+    }
+}
diff --git a/src/auto/engine_shape.rs b/src/auto/engine_shape.rs
index 7e027e1..defa48a 100644
--- a/src/auto/engine_shape.rs
+++ b/src/auto/engine_shape.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 use ffi;
diff --git a/src/auto/enums.rs b/src/auto/enums.rs
index b496c78..bcbfba4 100644
--- a/src/auto/enums.rs
+++ b/src/auto/enums.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 use ffi;
diff --git a/src/auto/flags.rs b/src/auto/flags.rs
index f814f5e..75c1461 100644
--- a/src/auto/flags.rs
+++ b/src/auto/flags.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 use ffi;
diff --git a/src/auto/font.rs b/src/auto/font.rs
index ecd305b..2b88afa 100644
--- a/src/auto/font.rs
+++ b/src/auto/font.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 use Coverage;
diff --git a/src/auto/font_description.rs b/src/auto/font_description.rs
index 3ce38b5..2ecd723 100644
--- a/src/auto/font_description.rs
+++ b/src/auto/font_description.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 use FontMask;
@@ -187,6 +187,12 @@ impl FontDescription {
     }
 }
 
+impl Default for FontDescription {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl PartialEq for FontDescription {
     #[inline]
     fn eq(&self, other: &Self) -> bool {
diff --git a/src/auto/font_face.rs b/src/auto/font_face.rs
index c5a2fc7..7dbee8c 100644
--- a/src/auto/font_face.rs
+++ b/src/auto/font_face.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 use FontDescription;
diff --git a/src/auto/font_family.rs b/src/auto/font_family.rs
index b3b4a2f..92f53c1 100644
--- a/src/auto/font_family.rs
+++ b/src/auto/font_family.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 use FontFace;
diff --git a/src/auto/font_map.rs b/src/auto/font_map.rs
index 219766d..9bc3a02 100644
--- a/src/auto/font_map.rs
+++ b/src/auto/font_map.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 use Context;
diff --git a/src/auto/font_metrics.rs b/src/auto/font_metrics.rs
index 6af5d67..19d24d7 100644
--- a/src/auto/font_metrics.rs
+++ b/src/auto/font_metrics.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 use ffi;
@@ -73,3 +73,9 @@ impl FontMetrics {
         }
     }
 }
+
+impl Default for FontMetrics {
+    fn default() -> Self {
+        Self::new()
+    }
+}
diff --git a/src/auto/fontset.rs b/src/auto/fontset.rs
index 26844a3..ad6ec0d 100644
--- a/src/auto/fontset.rs
+++ b/src/auto/fontset.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 use Font;
diff --git a/src/auto/functions.rs b/src/auto/functions.rs
index 0b4ca23..8dcb03f 100644
--- a/src/auto/functions.rs
+++ b/src/auto/functions.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 use AttrList;
diff --git a/src/auto/glyph_item.rs b/src/auto/glyph_item.rs
index daa0300..28b02bb 100644
--- a/src/auto/glyph_item.rs
+++ b/src/auto/glyph_item.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 use AttrList;
diff --git a/src/auto/glyph_item_iter.rs b/src/auto/glyph_item_iter.rs
index d11cb04..45c1f40 100644
--- a/src/auto/glyph_item_iter.rs
+++ b/src/auto/glyph_item_iter.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 use GlyphItem;
diff --git a/src/auto/glyph_string.rs b/src/auto/glyph_string.rs
index 9713fb4..5a85236 100644
--- a/src/auto/glyph_string.rs
+++ b/src/auto/glyph_string.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 use Font;
@@ -69,3 +69,9 @@ impl GlyphString {
     //    unsafe { TODO: call ffi::pango_glyph_string_x_to_index() }
     //}
 }
+
+impl Default for GlyphString {
+    fn default() -> Self {
+        Self::new()
+    }
+}
diff --git a/src/auto/layout.rs b/src/auto/layout.rs
index fc426cc..2865f2d 100644
--- a/src/auto/layout.rs
+++ b/src/auto/layout.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 use Alignment;
diff --git a/src/auto/layout_iter.rs b/src/auto/layout_iter.rs
index ba2eddf..41c79ef 100644
--- a/src/auto/layout_iter.rs
+++ b/src/auto/layout_iter.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 use Layout;
diff --git a/src/auto/layout_line.rs b/src/auto/layout_line.rs
index ee8ad6b..202bca4 100644
--- a/src/auto/layout_line.rs
+++ b/src/auto/layout_line.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 use Rectangle;
diff --git a/src/auto/matrix.rs b/src/auto/matrix.rs
index 07fbc5d..17a636e 100644
--- a/src/auto/matrix.rs
+++ b/src/auto/matrix.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 use ffi;
diff --git a/src/auto/mod.rs b/src/auto/mod.rs
index 2851a1b..b5d2626 100644
--- a/src/auto/mod.rs
+++ b/src/auto/mod.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 mod context;
diff --git a/src/auto/renderer.rs b/src/auto/renderer.rs
index 1801f01..d6e97b1 100644
--- a/src/auto/renderer.rs
+++ b/src/auto/renderer.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 use Color;
diff --git a/src/auto/tab_array.rs b/src/auto/tab_array.rs
index d3e8e37..bbf9556 100644
--- a/src/auto/tab_array.rs
+++ b/src/auto/tab_array.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (f00d658) from gir-files (0bcaef9)
+// This file was generated by gir (9f70278) from gir-files (0bcaef9)
 // DO NOT EDIT
 
 use TabAlign;