[gtk/keymap-rework-2] fixup: Document GDK_MODIFIER_MASK

[Matthias Clasen <matthiasc src gnome org>]

commit 0bbb228f8d496d71371bcd7170c3b085d42e213e
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Apr 6 08:25:44 2020 -0400

    fixup: Document GDK_MODIFIER_MASK

 docs/reference/gdk/gdk4-sections.txt | 2 +-
 gdk/gdktypes.h                       | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)
---
diff --git a/docs/reference/gdk/gdk4-sections.txt b/docs/reference/gdk/gdk4-sections.txt
index e8f733042b..dff48e9e1a 100644
--- a/docs/reference/gdk/gdk4-sections.txt
+++ b/docs/reference/gdk/gdk4-sections.txt
@@ -215,7 +215,7 @@ gdk_surface_get_height
 gdk_surface_set_shadow_width
 gdk_surface_get_device_position
 GdkModifierType
-GdkModifierIntent
+GDK_MODIFIER_MASK
 
 <SUBSECTION>
 gdk_surface_get_support_multidevice
diff --git a/gdk/gdktypes.h b/gdk/gdktypes.h
index 4b21503830..9e8a7997fa 100644
--- a/gdk/gdktypes.h
+++ b/gdk/gdktypes.h
@@ -237,6 +237,11 @@ typedef enum
 } GdkModifierType;
 
 
+/**
+ * GDK_MODIFIER_MASK:
+ *
+ * A mask covering all entries in #GdkModifierType.
+ */
 #define GDK_MODIFIER_MASK (GDK_SHIFT_MASK|GDK_LOCK_MASK|GDK_CONTROL_MASK| \
                            GDK_ALT_MASK|GDK_SUPER_MASK|GDK_HYPER_MASK|GDK_META_MASK| \
                            GDK_BUTTON1_MASK|GDK_BUTTON2_MASK|GDK_BUTTON3_MASK| \