Mostly minor changes such as adding <code></code> around elements, a little rewriting, and a few ...

ppapi/c/pp_rect.h

 /* Copyright (c) 2010 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #ifndef PPAPI_C_PP_RECT_H_
 #define PPAPI_C_PP_RECT_H_
 
 /**
  * @file
  * This file defines the APIs for creating a 2 dimensional rectangle.
  */
 
 #include "ppapi/c/pp_macros.h"
 #include "ppapi/c/pp_point.h"
 #include "ppapi/c/pp_size.h"
 #include "ppapi/c/pp_stdint.h"
 
 /**
  * @addtogroup Structs
  * @{
  */
 
 /**
- * The PP_Rect struct contains the size and location of a 2D rectangle.
+ * The <code>PP_Rect</code> struct contains the size and location of a 2D
+ * rectangle.
  */
 struct PP_Rect {
 
   /**
    * This value represents the x and y coordinates of the upper-left corner of
    * the rectangle.
    */
   struct PP_Point point;
 
   /** This value represents the width and height of the rectangle. */
   struct PP_Size size;
 };
 PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_Rect, 16);
 /**
  * @}
  */
 
 /**
  * @addtogroup Functions
  * @{
  */
 
 /**
- * PP_MakeRectFromXYWH() creates a PP_Rect given x and y coordinates and width
- * and height dimensions as int32_t values.
+ * This function creates a <code>PP_Rect</code> given x and y coordinates and
+ * width and height dimensions as int32_t values.
  * @param[in] x An int32_t value representing a horizontal coordinate of a
  * point, starting with 0 as the left-most coordinate.
  * @param[in] y An int32_t value representing a vertical coordinate of a point,
  * starting with 0 as the top-most coordinate.
  * @param[in] w An int32_t value representing a width.
  * @param[in] h An int32_t value representing a height.
- * @return A PP_Rect structure.
+ * @return A <code>PP_Rect</code> structure.
  */
 PP_INLINE struct PP_Rect PP_MakeRectFromXYWH(int32_t x, int32_t y,
                                              int32_t w, int32_t h) {
   struct PP_Rect ret;
   ret.point.x = x;
   ret.point.y = y;
   ret.size.width = w;
   ret.size.height = h;
   return ret;
 }
 /**
  * @}
  */
 #endif  /* PPAPI_C_PP_RECT_H_ */