diff -r 1f06a85ed1a9 src/settings_gui.cpp
--- a/src/settings_gui.cpp	Sun Nov 02 10:53:43 2008 +0100
+++ b/src/settings_gui.cpp	Sun Nov 02 11:25:56 2008 +0100
@@ -749,7 +749,7 @@
 };
 
 struct PatchesSelectionWindow : Window {
-	static GameSettings *patches_ptr;
+	static GameSettings *patches_ptr;  ///< Pointer to the game settings being displayed and modified
 	static int patches_max;  ///< Maximal number of patches on a single page
 
 	int page;
diff -r 1f06a85ed1a9 src/window.cpp
--- a/src/window.cpp	Sun Nov 02 10:53:43 2008 +0100
+++ b/src/window.cpp	Sun Nov 02 11:25:56 2008 +0100
@@ -2215,6 +2215,13 @@
 	return w->left;
 }
 
+/**
+ * Set the number of items of the vertical scrollbar.
+ *
+ * Function also updates the position of the scrollbar if necessary.
+ * @param w   Window containing the vertical scrollbar
+ * @param num New number of items
+ */
 void SetVScrollCount(Window *w, int num)
 {
 	w->vscroll.count = num;
@@ -2223,6 +2230,13 @@
 	if (num < w->vscroll.pos) w->vscroll.pos = num;
 }
 
+/**
+ * Set the number of items of the second vertical scrollbar.
+ *
+ * Function also updates the position of the scrollbar if necessary.
+ * @param w   Window containing the second vertical scrollbar
+ * @param num New number of items
+ */
 void SetVScroll2Count(Window *w, int num)
 {
 	w->vscroll2.count = num;
@@ -2231,6 +2245,13 @@
 	if (num < w->vscroll2.pos) w->vscroll2.pos = num;
 }
 
+/**
+ * Set the number of items of the horizontal scrollbar.
+ *
+ * Function also updates the position of the scrollbar if necessary.
+ * @param w   Window containing the horizontal scrollbar
+ * @param num New number of items
+ */
 void SetHScrollCount(Window *w, int num)
 {
 	w->hscroll.count = num;