diff --git a/src/backends/meta-backend.c b/src/backends/meta-backend.c
index b6538b45c..254c6613c 100644
--- a/src/backends/meta-backend.c
+++ b/src/backends/meta-backend.c
@@ -24,7 +24,7 @@
 
 /**
  * MetaBackend:
- * 
+ *
  * Handles monitor config, modesetting, cursor sprites, ...
  *
  * MetaBackend is the abstraction that deals with several things like:
diff --git a/src/backends/meta-barrier.c b/src/backends/meta-barrier.c
index 098141f96..30323942b 100644
--- a/src/backends/meta-barrier.c
+++ b/src/backends/meta-barrier.c
@@ -2,7 +2,7 @@
 
 /**
  * MetaBarrier:
- * 
+ *
  * Pointer barriers
  */
 
diff --git a/src/backends/meta-color-manager.c b/src/backends/meta-color-manager.c
index dd9336c55..6b7fca07e 100644
--- a/src/backends/meta-color-manager.c
+++ b/src/backends/meta-color-manager.c
@@ -18,7 +18,7 @@
 
 /**
  * MetaColorManager:
- * 
+ *
  * Interfaces for managing color-related properties like
  * color look-up tables and color spaces.
  *
diff --git a/src/backends/meta-cursor-tracker.c b/src/backends/meta-cursor-tracker.c
index 8f91ef8e9..7249287a3 100644
--- a/src/backends/meta-cursor-tracker.c
+++ b/src/backends/meta-cursor-tracker.c
@@ -21,7 +21,7 @@
 
 /**
  * MetaCursorTracker:
- * 
+ *
  * Mutter cursor tracking helper. Originally only tracking
  * the cursor image, now more of a "core pointer abstraction"
  */
diff --git a/src/backends/meta-idle-monitor.c b/src/backends/meta-idle-monitor.c
index 54c79bf7a..7ec63c310 100644
--- a/src/backends/meta-idle-monitor.c
+++ b/src/backends/meta-idle-monitor.c
@@ -22,7 +22,7 @@
 
 /**
  * MetaIdleMonitor:
- * 
+ *
  * Mutter idle counter (similar to X's IDLETIME)
  */
 
diff --git a/src/backends/meta-input-settings.c b/src/backends/meta-input-settings.c
index 516f42fd8..d6b361d40 100644
--- a/src/backends/meta-input-settings.c
+++ b/src/backends/meta-input-settings.c
@@ -21,7 +21,7 @@
 
 /**
  * MetaInputSettings:
- * 
+ *
  * Mutter input device configuration
  */
 
diff --git a/src/backends/meta-logical-monitor.c b/src/backends/meta-logical-monitor.c
index 5f15fa6b7..fec19cb64 100644
--- a/src/backends/meta-logical-monitor.c
+++ b/src/backends/meta-logical-monitor.c
@@ -21,7 +21,7 @@
 
 /**
  * MetaLogicalMonitor:
- * 
+ *
  * An abstraction for a monitor(set) and its configuration.
  *
  * A logical monitor is a group of one or more physical monitors that
diff --git a/src/backends/meta-monitor-manager.c b/src/backends/meta-monitor-manager.c
index a25be7cc4..90a70a566 100644
--- a/src/backends/meta-monitor-manager.c
+++ b/src/backends/meta-monitor-manager.c
@@ -26,7 +26,7 @@
 
 /**
  * MetaMonitorManager:
- * 
+ *
  * A manager for multiple monitors
  *
  * #MetaMonitorManager is an abstract class which contains methods to handle
diff --git a/src/backends/meta-pointer-constraint.c b/src/backends/meta-pointer-constraint.c
index 328951c99..82f66bd68 100644
--- a/src/backends/meta-pointer-constraint.c
+++ b/src/backends/meta-pointer-constraint.c
@@ -24,7 +24,7 @@
 
 /**
  * MetaPointerConstraint:
- * 
+ *
  * Pointer client constraints.
  *
  * A MetaPointerConstraint can be used to implement any kind of pointer
diff --git a/src/backends/meta-renderer-view.c b/src/backends/meta-renderer-view.c
index 25c0f9cae..6f3422bbf 100644
--- a/src/backends/meta-renderer-view.c
+++ b/src/backends/meta-renderer-view.c
@@ -17,7 +17,7 @@
 
 /**
  * MetaRendererView:
- * 
+ *
  * Renders (a part of) the global stage.
  *
  * A MetaRendererView object is responsible for rendering (a part of) the
diff --git a/src/backends/meta-renderer.c b/src/backends/meta-renderer.c
index 575bd950c..e94902e78 100644
--- a/src/backends/meta-renderer.c
+++ b/src/backends/meta-renderer.c
@@ -24,7 +24,7 @@
 
 /**
  * MetaRenderer:
- * 
+ *
  * Keeps track of the different renderer views.
  *
  * A MetaRenderer object has 2 functions:
diff --git a/src/backends/native/meta-backend-native.c b/src/backends/native/meta-backend-native.c
index 97650ee28..82965a678 100644
--- a/src/backends/native/meta-backend-native.c
+++ b/src/backends/native/meta-backend-native.c
@@ -24,7 +24,7 @@
 
 /**
  * MetaBackendNative:
- * 
+ *
  * A native (KMS/evdev) MetaBackend
  *
  * MetaBackendNative is an implementation of #MetaBackend that uses "native"
diff --git a/src/backends/native/meta-barrier-native.c b/src/backends/native/meta-barrier-native.c
index be3a912db..30c86632d 100644
--- a/src/backends/native/meta-barrier-native.c
+++ b/src/backends/native/meta-barrier-native.c
@@ -24,7 +24,7 @@
 
 /**
  * MetaBarrierImplNative:
- * 
+ *
  * Pointer barriers implementation for the native backend
  */
 
diff --git a/src/backends/native/meta-clutter-backend-native.c b/src/backends/native/meta-clutter-backend-native.c
index 43f2f1116..dfca84198 100644
--- a/src/backends/native/meta-clutter-backend-native.c
+++ b/src/backends/native/meta-clutter-backend-native.c
@@ -24,7 +24,7 @@
 
 /**
  * MetaClutterBackendNative:
- * 
+ *
  * A native backend which renders using EGL.
  *
  * MetaClutterBackendNative is the #ClutterBackend which is used by the native
diff --git a/src/backends/native/meta-monitor-manager-native.c b/src/backends/native/meta-monitor-manager-native.c
index 3ec8981b6..0fd084dba 100644
--- a/src/backends/native/meta-monitor-manager-native.c
+++ b/src/backends/native/meta-monitor-manager-native.c
@@ -24,7 +24,7 @@
 
 /**
  * MetaMonitorManagerNative:
- * 
+ *
  * A subclass of #MetaMonitorManager using Linux DRM
  *
  * #MetaMonitorManagerNative is a subclass of #MetaMonitorManager which
diff --git a/src/backends/x11/meta-backend-x11.c b/src/backends/x11/meta-backend-x11.c
index a98cffd2b..d44f83a73 100644
--- a/src/backends/x11/meta-backend-x11.c
+++ b/src/backends/x11/meta-backend-x11.c
@@ -24,7 +24,7 @@
 
 /**
  * MetaBackendX11:
- * 
+ *
  * A X11 MetaBackend
  *
  * MetaBackendX11 is an implementation of #MetaBackend using X and X
diff --git a/src/backends/x11/meta-barrier-x11.c b/src/backends/x11/meta-barrier-x11.c
index b5c38ba79..174c65979 100644
--- a/src/backends/x11/meta-barrier-x11.c
+++ b/src/backends/x11/meta-barrier-x11.c
@@ -25,7 +25,7 @@
 
 /**
  * MetaBarrierImplX11:
- * 
+ *
  * Pointer barriers implementation for X11
  */
 
diff --git a/src/backends/x11/meta-monitor-manager-xrandr.c b/src/backends/x11/meta-monitor-manager-xrandr.c
index d1483c556..f288c7af2 100644
--- a/src/backends/x11/meta-monitor-manager-xrandr.c
+++ b/src/backends/x11/meta-monitor-manager-xrandr.c
@@ -26,7 +26,7 @@
 
 /**
  * MetaMonitorManagerXrandr:
- * 
+ *
  * A subclass of #MetaMonitorManager using XRadR
  *
  * #MetaMonitorManagerXrandr is a subclass of #MetaMonitorManager which
diff --git a/src/compositor/compositor.c b/src/compositor/compositor.c
index 9c998851f..c951011af 100644
--- a/src/compositor/compositor.c
+++ b/src/compositor/compositor.c
@@ -2,7 +2,7 @@
 
 /**
  * MetaCompositor:
- * 
+ *
  * Compositor API
  *
  * At a high-level, a window is not-visible or visible. When a
diff --git a/src/compositor/meta-background-content.c b/src/compositor/meta-background-content.c
index bb7b01968..93719f3ca 100644
--- a/src/compositor/meta-background-content.c
+++ b/src/compositor/meta-background-content.c
@@ -24,10 +24,10 @@
  * MetaBackgroundContent:
  *
  * This class handles tracking and painting the root window background.
- * 
+ *
  * By integrating with [class@Meta.WindowGroup] we can avoid painting parts of
  * the background that are obscured by other windows.
- * 
+ *
  * The overall model drawing model of this content is that we have one
  * texture, or two interpolated textures, possibly with alpha or
  * margins that let the underlying background show through, blended
diff --git a/src/compositor/meta-background-group.c b/src/compositor/meta-background-group.c
index 2a90742c4..17314e352 100644
--- a/src/compositor/meta-background-group.c
+++ b/src/compositor/meta-background-group.c
@@ -2,7 +2,7 @@
 
 /**
  * MetaBackgroundGroup:
- * 
+ *
  * Container for background actors
  *
  * This class is a subclass of ClutterActor with special handling for
diff --git a/src/compositor/meta-background-image.c b/src/compositor/meta-background-image.c
index 2aed9139f..98a7658b6 100644
--- a/src/compositor/meta-background-image.c
+++ b/src/compositor/meta-background-image.c
@@ -38,7 +38,7 @@ static guint signals[LAST_SIGNAL] = { 0 };
  * MetaBackgroundImageCache:
  *
  * Caches loading of textures for backgrounds.
- * 
+ *
  * There's actually nothing background specific about it, other than it is tuned
  * to work well for large images as typically are used for backgrounds.
  */
@@ -216,7 +216,7 @@ out:
  *
  * Loads an image to use as a background, or returns a reference to an
  * image that is already in the process of loading or loaded.
- * 
+ *
  * In either case, what is returned is a [class@Meta.BackgroundImage] which can be dereferenced
  * to get a [iface@Cogl.Texture]. If [method@Meta.BackgroundImage.is_loaded] returns %TRUE,
  * the background is loaded, otherwise the [signal@Meta.BackgroundImage::loaded]
diff --git a/src/compositor/meta-cullable.c b/src/compositor/meta-cullable.c
index fee0a7f22..67eed16b4 100644
--- a/src/compositor/meta-cullable.c
+++ b/src/compositor/meta-cullable.c
@@ -58,7 +58,7 @@ region_apply_transform_expand_maybe_ref (cairo_region_t    *region,
 
 /**
  * MetaCullable:
- * 
+ *
  * CPU culling operations for efficient drawing
  *
  * When we are painting a stack of 5-10 large actors, the standard
diff --git a/src/compositor/meta-dnd-actor.c b/src/compositor/meta-dnd-actor.c
index b775d5a38..106bb8943 100644
--- a/src/compositor/meta-dnd-actor.c
+++ b/src/compositor/meta-dnd-actor.c
@@ -20,7 +20,7 @@
 
 /**
  * MetaDnDActor:
- * 
+ *
  * Actor for painting the drag and drop surface
  *
  */
diff --git a/src/compositor/meta-feedback-actor.c b/src/compositor/meta-feedback-actor.c
index 0cfde6a13..114e87699 100644
--- a/src/compositor/meta-feedback-actor.c
+++ b/src/compositor/meta-feedback-actor.c
@@ -20,7 +20,7 @@
 
 /**
  * MetaFeedbackActor:
- * 
+ *
  * Actor for painting user interaction feedback
  */
 
diff --git a/src/compositor/meta-plugin.c b/src/compositor/meta-plugin.c
index 9dded9671..8c25563a5 100644
--- a/src/compositor/meta-plugin.c
+++ b/src/compositor/meta-plugin.c
@@ -21,7 +21,7 @@
 
 /**
  * MetaPlugin:
- * 
+ *
  * Entry point for plugins
  */
 
diff --git a/src/compositor/meta-shadow-factory.c b/src/compositor/meta-shadow-factory.c
index 2644331e6..ebb548536 100644
--- a/src/compositor/meta-shadow-factory.c
+++ b/src/compositor/meta-shadow-factory.c
@@ -188,7 +188,7 @@ meta_shadow_unref (MetaShadow *shadow)
  *
  * Paints the shadow at the given position, for the specified actual
  * size of the region. 
- * 
+ *
  * Since a #MetaShadow can be shared between different sizes with 
  * the same extracted [struct@Meta.WindowShape] the size needs to be passed in here.
  */
diff --git a/src/compositor/meta-shaped-texture.c b/src/compositor/meta-shaped-texture.c
index e05e79cd7..7f594a5d8 100644
--- a/src/compositor/meta-shaped-texture.c
+++ b/src/compositor/meta-shaped-texture.c
@@ -23,7 +23,7 @@
 
 /**
  * MetaShapedTexture:
- * 
+ *
  * A ClutterContent which draws a shaped texture
  *
  * A MetaShapedTexture draws a #CoglTexture (often provided from a client
diff --git a/src/compositor/meta-surface-actor.c b/src/compositor/meta-surface-actor.c
index 5ef78ca9f..2a13a94b8 100644
--- a/src/compositor/meta-surface-actor.c
+++ b/src/compositor/meta-surface-actor.c
@@ -2,7 +2,7 @@
 
 /**
  * MetaSurfaceActor:
- * 
+ *
  * An actor representing a surface in the scene graph
  *
  * MetaSurfaceActor is an abstract class which represents a surface in the
diff --git a/src/compositor/meta-texture-mipmap.h b/src/compositor/meta-texture-mipmap.h
index 79e0a8121..3a6c45604 100644
--- a/src/compositor/meta-texture-mipmap.h
+++ b/src/compositor/meta-texture-mipmap.h
@@ -29,7 +29,7 @@ G_BEGIN_DECLS
 
 /**
  * MetaTextureMipmap:
- * 
+ *
  * Mipmap handling for textures
  *
  * A #MetaTextureMipmap is used to get GL mipmaps for a texture
diff --git a/src/compositor/meta-window-actor.c b/src/compositor/meta-window-actor.c
index b9c049800..15a084da8 100644
--- a/src/compositor/meta-window-actor.c
+++ b/src/compositor/meta-window-actor.c
@@ -2,7 +2,7 @@
 
 /**
  * MetaWindowActor:
- * 
+ *
  * An actor representing a top-level window in the scene graph
  *
  * #MetaWindowActor is a #ClutterActor that adds a notion of a window to the
diff --git a/src/core/bell.c b/src/core/bell.c
index 7b302d612..d465f9afb 100644
--- a/src/core/bell.c
+++ b/src/core/bell.c
@@ -22,7 +22,7 @@
 
 /*
  * bell:
- * 
+ *
  * Ring the bell or flash the screen
  *
  * Sometimes, X programs "ring the bell", whatever that means. Mutter lets
diff --git a/src/core/display.c b/src/core/display.c
index 30823c7ff..cbd9308b7 100644
--- a/src/core/display.c
+++ b/src/core/display.c
@@ -22,7 +22,7 @@
 
 /**
  * MetaDisplay:
- * 
+ *
  * Mutter display representation
  *
  * The display is represented as a #MetaDisplay struct.
@@ -388,7 +388,7 @@ meta_display_class_init (MetaDisplayClass *klass)
    *
    * The signal will be emitted to indicate that the compositor 
    * should show a message during restart.
-   * 
+   *
    * This is emitted when [func@Meta.restart] is called, either by Mutter
    * internally or by the embedding compositor. The message should be
    * immediately added to the Clutter stage in its final form -
@@ -417,10 +417,10 @@ meta_display_class_init (MetaDisplayClass *klass)
    *
    * The signal is emitted to indicate that compositor
    * should reexec the process.
-   * 
+   *
    * This is emitted when [func@Meta.restart] is called,
    * either by Mutter internally or by the embedding compositor.
-   * 
+   *
    * See also [signal@Meta.Display::show-restart-message].
    *
    * Returns: %FALSE to indicate that the compositor could not
diff --git a/src/core/keybindings.c b/src/core/keybindings.c
index e78ff19f4..761078f61 100644
--- a/src/core/keybindings.c
+++ b/src/core/keybindings.c
@@ -23,7 +23,7 @@
 
 /**
  * MetaKeybinding:
- * 
+ *
  * Key bindings
  */
 
diff --git a/src/core/meta-gesture-tracker.c b/src/core/meta-gesture-tracker.c
index ff3219a5d..55e8e487a 100644
--- a/src/core/meta-gesture-tracker.c
+++ b/src/core/meta-gesture-tracker.c
@@ -21,7 +21,7 @@
 
 /**
  * MetaGestureTracker:
- * 
+ *
  * Manages gestures on windows/desktop
  *
  * Forwards touch events to clutter actors, and accepts/rejects touch sequences
diff --git a/src/core/prefs.c b/src/core/prefs.c
index b207030f9..25eeb14db 100644
--- a/src/core/prefs.c
+++ b/src/core/prefs.c
@@ -22,7 +22,7 @@
 
 /**
  * Preferences:
- * 
+ *
  * Mutter preferences
  */
 
diff --git a/src/core/restart-helper.c b/src/core/restart-helper.c
index 24664a9c9..9aa30597d 100644
--- a/src/core/restart-helper.c
+++ b/src/core/restart-helper.c
@@ -2,7 +2,7 @@
 
 /*
  * restart-helper
- * 
+ *
  * Helper program during a restart
  *
  * To smoothly restart Mutter, we want to keep the composite
diff --git a/src/core/restart.c b/src/core/restart.c
index c79eed050..2097e8251 100644
--- a/src/core/restart.c
+++ b/src/core/restart.c
@@ -119,14 +119,14 @@ child_setup (gpointer user_data)
  * @context: a #MetaContext
  *
  * Starts the process of restarting the compositor.
- * 
+ *
  * Note that Mutter's involvement here is to make the restart
  * visually smooth for the user - it cannot itself safely 
  * reexec a program that embeds libmuttter.
- * 
+ *
  * So in order for this to work, the compositor must handle two
  * signals 
- * 
+ *
  * - [signal@Meta.Display::show-restart-message], to display the
  * message passed here on the Clutter stage
  * - [signal@Meta.Display::restart] to actually reexec the compositor.
@@ -208,7 +208,7 @@ meta_restart (const char  *message,
  *
  * Returns %TRUE if this instance of Mutter comes from Mutter
  * restarting itself (for example to enable/disable stereo.)
- * 
+ *
  * See [func@Meta.restart]. If this is the case, any startup visuals
  * or animations should be suppressed.
  */
diff --git a/src/core/stack.h b/src/core/stack.h
index 82a8f34dd..998bcea4f 100644
--- a/src/core/stack.h
+++ b/src/core/stack.h
@@ -23,7 +23,7 @@
 
 /**
  * stack:
- * 
+ *
  * Which windows cover which other windows
  *
  * There are two factors that determine window position.
diff --git a/src/core/util.c b/src/core/util.c
index 7f44f74a6..573d8e177 100644
--- a/src/core/util.c
+++ b/src/core/util.c
@@ -171,7 +171,7 @@ meta_add_verbose_topic (MetaDebugTopic topic)
  * @topic: Topic for which logging will be stopped
  *
  * Stop printing log messages for the given topic @topic.
- * 
+ *
  * Note that this method does not stack with [func@Meta.add_verbose_topic];
  * i.e. if two calls to [func@Meta.add_verbose_topic] for the same
  * topic are made, one call to [func@Meta.remove_verbose_topic]  will
diff --git a/src/core/window.c b/src/core/window.c
index 1d2fc9b27..46d44ea4b 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -22,7 +22,7 @@
 
 /**
  * MetaWindow:
- * 
+ *
  * A display-agnostic abstraction for a window.
  *
  * #MetaWindow is the core abstraction in Mutter of a window. It has the
@@ -36,7 +36,7 @@
  * [method@Meta.Window.get_window_type].
  *
  * Common API for windows include:
- * 
+ *
  * - Minimizing: [method@Meta.Window.minimize] / [method@Meta.Window.unminimize]
  * - Maximizing: [method@Meta.Window.maximize] / [method@Meta.Window.unmaximize]
  * - Fullscreen: [method@Meta.Window.make_fullscreen] / [method@Meta.Window.unmake_fullscreen]
@@ -716,7 +716,7 @@ meta_window_class_init (MetaWindowClass *klass)
    *
    * This is emitted when the position of a window might
    * have changed.
-   * 
+   *
    * Specifically, this is emitted when the position of
    * the toplevel window has changed, or when the position
    * of the client window has changed.
@@ -749,7 +749,7 @@ meta_window_class_init (MetaWindowClass *klass)
    *
    * This is emitted when the size of a window might
    * have changed.
-   * 
+   *
    * Specifically, this is emitted when the size of
    * the toplevel window has changed, or when the
    * size of the client window has changed.
@@ -3980,7 +3980,7 @@ meta_window_move_resize_internal (MetaWindow          *window,
  * Moves the window to the desired location on window's assigned
  * workspace, using the northwest edge of the frame as the reference,
  * instead of the actual window's origin, but only if a frame is present.
- * 
+ *
  * Otherwise, acts identically to meta_window_move().
  */
 void
@@ -4434,7 +4434,7 @@ meta_window_frame_rect_to_client_rect (MetaWindow    *window,
  *
  * Gets the rectangle that bounds @window that is what the user thinks of
  * as the edge of the window.
- * 
+ *
  * This doesn't include any extra reactive area that we or the client
  * adds to the window, or any area that the client adds to draw a client-side shadow.
  */
@@ -5296,7 +5296,7 @@ meta_window_set_focused_internal (MetaWindow *window,
  * @rect: (out): rectangle into which to store the returned geometry.
  *
  * Gets the location of the icon corresponding to the window.
- * 
+ *
  * The location will be provided set by the task bar or other user interface
  * element displaying the icon, and is relative to the root window.
  *
@@ -5325,7 +5325,7 @@ meta_window_get_icon_geometry (MetaWindow    *window,
  * @rect: (nullable): rectangle with the desired geometry or %NULL.
  *
  * Sets or unsets the location of the icon corresponding to the window.
- * 
+ *
  * If set, the location should correspond to a dock, task bar or other user
  * interface element displaying the icon, and is relative to the root window.
  */
@@ -5968,7 +5968,7 @@ meta_window_same_application (MetaWindow *window,
  * meta_window_is_client_decorated:
  *
  * Check if if the window has decorations drawn by the client.
- * 
+ *
  * `window->decorated` refers only to whether we should add decorations.
  */
 gboolean
@@ -6255,7 +6255,7 @@ meta_window_stack_just_above (MetaWindow *window,
  *
  * The user time represents a timestamp for the last time the user
  * interacted with this window.
- * 
+ *
  * Note this property is only available for non-override-redirect windows.
  *
  * The property is set by Mutter initially upon window creation,
@@ -6435,7 +6435,7 @@ meta_window_get_frame (MetaWindow *window)
  * @window: a #MetaWindow
  *
  * Determines if the window should be drawn with a focused appearance.
- * 
+ *
  * This is true for focused windows but also true for windows with a focused modal
  * dialog attached.
  *
@@ -6517,7 +6517,7 @@ meta_window_get_window_type (MetaWindow *window)
  * @window: a #MetaWindow
  *
  * Gets the [class@Meta.Workspace] that the window is currently displayed on.
- * 
+ *
  * If the window is on all workspaces, returns the currently active
  * workspace.
  *
@@ -7020,7 +7020,7 @@ meta_window_get_frame_bounds (MetaWindow *window)
  * @window: a #MetaWindow
  *
  * Tests if @window should be attached to its parent window.
- * 
+ *
  * If the `attach_modal_dialogs` option is not enabled, this will
  * always return %FALSE.
  *
@@ -7052,7 +7052,7 @@ has_attached_foreach_func (MetaWindow *window,
  * @window: a #MetaWindow
  *
  * Tests if @window has any transients attached to it.
- * 
+ *
  * If the `attach_modal_dialogs` option is not enabled, this will
  * always return %FALSE.
  *
diff --git a/src/core/workspace.c b/src/core/workspace.c
index 8f0a66d2f..6b668ff9a 100644
--- a/src/core/workspace.c
+++ b/src/core/workspace.c
@@ -21,7 +21,7 @@
 
 /**
  * MetaWorkspace:
- * 
+ *
  * Workspaces
  *
  * A workspace is a set of windows which all live on the same
diff --git a/src/meta/common.h b/src/meta/common.h
index e7163e3f6..6c29a531d 100644
--- a/src/meta/common.h
+++ b/src/meta/common.h
@@ -35,7 +35,7 @@
 
 /**
  * Common:
- * 
+ *
  * Mutter common types
  */
 
diff --git a/src/meta/meta-background-actor.h b/src/meta/meta-background-actor.h
index 73f81fca0..96712c06c 100644
--- a/src/meta/meta-background-actor.h
+++ b/src/meta/meta-background-actor.h
@@ -30,7 +30,7 @@
  * MetaBackgroundActor:
  *
  * This class handles tracking and painting the root window background.
- * 
+ *
  * By integrating with [class@Meta.WindowGroup] we can avoid painting parts of
  * the background that are obscured by other windows.
  */
diff --git a/src/meta/meta-background.h b/src/meta/meta-background.h
index 3e58a02fe..458b6c6f1 100644
--- a/src/meta/meta-background.h
+++ b/src/meta/meta-background.h
@@ -30,7 +30,7 @@
  * MetaBackground:
  *
  * This class handles tracking and painting the root window background.
- * 
+ *
  * By integrating with [class@Meta.WindowGroup] we can avoid painting parts of
  * the background that are obscured by other windows.
  */
diff --git a/src/meta/meta-enums.h b/src/meta/meta-enums.h
index cb12291ff..ad40f5513 100644
--- a/src/meta/meta-enums.h
+++ b/src/meta/meta-enums.h
@@ -344,7 +344,7 @@ typedef enum
  * @META_BUTTON_FUNCTION_LAST: Marks the end of the #MetaButtonFunction enumeration
  *
  * Function a window button can have.
- * 
+ *
  * Note, you can't add stuff here without extending the theme format
  * to draw a new function and breaking all existing themes.
  */
diff --git a/src/meta/meta-shadow-factory.h b/src/meta/meta-shadow-factory.h
index 019e74cf6..3ca5e7408 100644
--- a/src/meta/meta-shadow-factory.h
+++ b/src/meta/meta-shadow-factory.h
@@ -69,7 +69,7 @@ G_DECLARE_FINAL_TYPE (MetaShadowFactory,
  * MetaShadowFactory:
  *
  * Create window shadows. 
- * 
+ *
  * It caches shadows internally so that multiple shadows created for
  * the same shape with the same radius will share the same [struct@Meta.Shadow].
  */
@@ -90,10 +90,10 @@ void meta_shadow_factory_get_params (MetaShadowFactory *factory,
 
 /**
  * MetaShadow:
- * 
+ *
  * Holds a shadow texture along with information about how to
  * apply that texture to draw a window texture. 
- * 
+ *
  * E.g., it knows how big the unscaled borders are on each
  * side of the shadow texture.
  */
diff --git a/src/meta/meta-window-shape.h b/src/meta/meta-window-shape.h
index 5b38f736f..333dcb74b 100644
--- a/src/meta/meta-window-shape.h
+++ b/src/meta/meta-window-shape.h
@@ -33,10 +33,10 @@ GType meta_window_shape_get_type (void) G_GNUC_CONST;
 
 /**
  * MetaWindowShape:
- * 
+ *
  * Represents a 9-sliced region with borders on all sides that
  * are unscaled, and a constant central region that is scaled.
- * 
+ *
  * For example, the regions representing two windows that are rounded rectangles,
  * with the same corner radius but different sizes, have the same MetaWindowShape.
  *
diff --git a/src/wayland/meta-wayland-buffer.c b/src/wayland/meta-wayland-buffer.c
index 4c19b8c7d..b09a3c9af 100644
--- a/src/wayland/meta-wayland-buffer.c
+++ b/src/wayland/meta-wayland-buffer.c
@@ -24,7 +24,7 @@
 
 /**
  * MetaWaylandBuffer
- * 
+ *
  * A wrapper for wayland buffers
  *
  * #MetaWaylandBuffer is a general wrapper around wl_buffer, the basic way of
diff --git a/src/wayland/meta-wayland-dma-buf.c b/src/wayland/meta-wayland-dma-buf.c
index dc46e6d3f..7d96eb4a8 100644
--- a/src/wayland/meta-wayland-dma-buf.c
+++ b/src/wayland/meta-wayland-dma-buf.c
@@ -27,7 +27,7 @@
 
 /**
  * MetaWaylandDmaBuf
- * 
+ *
  * Handles passing DMA-BUFs in Wayland
  *
  * The MetaWaylandDmaBuf namespace contains several objects and functions to
diff --git a/src/x11/group.c b/src/x11/group.c
index 658642689..c28752df0 100644
--- a/src/x11/group.c
+++ b/src/x11/group.c
@@ -20,7 +20,7 @@
 
 /**
  * MetaGroup:(skip)
- * 
+ *
  * Mutter window groups
  */
 
diff --git a/src/x11/meta-x11-display.c b/src/x11/meta-x11-display.c
index 678177a31..a965ef864 100644
--- a/src/x11/meta-x11-display.c
+++ b/src/x11/meta-x11-display.c
@@ -22,7 +22,7 @@
 
 /**
  * MetaX11Display:
- * 
+ *
  * Mutter X display handler
  *
  * The X11 display is represented as a #MetaX11Display struct.
diff --git a/src/x11/meta-x11-errors.c b/src/x11/meta-x11-errors.c
index 28e21c2db..51e705ccd 100644
--- a/src/x11/meta-x11-errors.c
+++ b/src/x11/meta-x11-errors.c
@@ -19,7 +19,7 @@
 
 /**
  * Errors:
- * 
+ *
  * Mutter X error handling
  */