Update descriptions for window resize cursors

The SIZENWSE, SIZENS, etc cursors were renamed.

include/SDL3/SDL_mouse.h

@@ -49,8 +49,8 @@ typedef struct SDL_Cursor SDL_Cursor;   /**< Implementation dependent */
  */
 typedef enum SDL_SystemCursor
 {
-    SDL_SYSTEM_CURSOR_DEFAULT,      /**< Default cursor. Usually an arrow */
-    SDL_SYSTEM_CURSOR_TEXT,         /**< Text selection. Usually an I-beam */
+    SDL_SYSTEM_CURSOR_DEFAULT,      /**< Default cursor. Usually an arrow. */
+    SDL_SYSTEM_CURSOR_TEXT,         /**< Text selection. Usually an I-beam. */
     SDL_SYSTEM_CURSOR_WAIT,         /**< Wait. Usually an hourglass or watch or spinning ball. */
     SDL_SYSTEM_CURSOR_CROSSHAIR,    /**< Crosshair. */
     SDL_SYSTEM_CURSOR_PROGRESS,     /**< Program is busy but still interactive. Usually it's WAIT with an arrow. */
@@ -61,14 +61,14 @@ typedef enum SDL_SystemCursor
     SDL_SYSTEM_CURSOR_MOVE,         /**< Four pointed arrow pointing north, south, east, and west. */
     SDL_SYSTEM_CURSOR_NOT_ALLOWED,  /**< Not permitted. Usually a slashed circle or crossbones. */
     SDL_SYSTEM_CURSOR_POINTER,      /**< Pointer that indicates a link. Usually a pointing hand. */
-    SDL_SYSTEM_CURSOR_NW_RESIZE,    /**< Window resize top-left (or SIZENWSE) */
-    SDL_SYSTEM_CURSOR_N_RESIZE,     /**< Window resize top (or SIZENS) */
-    SDL_SYSTEM_CURSOR_NE_RESIZE,    /**< Window resize top-right (or SIZENESW) */
-    SDL_SYSTEM_CURSOR_E_RESIZE,     /**< Window resize right (or SIZEWE) */
-    SDL_SYSTEM_CURSOR_SE_RESIZE,    /**< Window resize bottom-right (or SIZENWSE) */
-    SDL_SYSTEM_CURSOR_S_RESIZE,     /**< Window resize bottom (or SIZENS) */
-    SDL_SYSTEM_CURSOR_SW_RESIZE,    /**< Window resize bottom-left (or SIZENESW) */
-    SDL_SYSTEM_CURSOR_W_RESIZE,     /**< Window resize left (or SIZEWE) */
+    SDL_SYSTEM_CURSOR_NW_RESIZE,    /**< Window resize top-left. This may be a single arrow or a double arrow like NWSE_RESIZE. */
+    SDL_SYSTEM_CURSOR_N_RESIZE,     /**< Window resize top. May be NS_RESIZE. */
+    SDL_SYSTEM_CURSOR_NE_RESIZE,    /**< Window resize top-right. May be NESW_RESIZE. */
+    SDL_SYSTEM_CURSOR_E_RESIZE,     /**< Window resize right. May be EW_RESIZE. */
+    SDL_SYSTEM_CURSOR_SE_RESIZE,    /**< Window resize bottom-right. May be NWSE_RESIZE. */
+    SDL_SYSTEM_CURSOR_S_RESIZE,     /**< Window resize bottom. May be NS_RESIZE. */
+    SDL_SYSTEM_CURSOR_SW_RESIZE,    /**< Window resize bottom-left. May be NESW_RESIZE. */
+    SDL_SYSTEM_CURSOR_W_RESIZE,     /**< Window resize left. May be EW_RESIZE. */
     SDL_NUM_SYSTEM_CURSORS
 } SDL_SystemCursor;