Small changes such as spacing and adding [in/out] identifiers after @params.

ppapi/cpp/rect.h

Index: ppapi/cpp/rect.h
===================================================================
--- ppapi/cpp/rect.h	(revision 96394)
+++ ppapi/cpp/rect.h	(working copy)
@@ -389,7 +389,7 @@
   ///
   /// @param[in] rect A pointer to a <code>Rect</code>.
   ///
-  /// @return true if this rectangle and supplied rectangle share an edge.
+  /// @return True if this rectangle and supplied rectangle share an edge.
   bool SharesEdgeWith(const Rect& rect) const;
 
  private:
@@ -404,7 +404,7 @@
 /// @param[in] lhs The <code>Rect</code> on the left-hand side of the equation.
 /// @param[in] rhs The <code>Rect</code> on the right-hand side of the equation.
 ///
-/// @return true if they are equal, false if unequal.
+/// @return True if they are equal, false if unequal.
 inline bool operator==(const pp::Rect& lhs, const pp::Rect& rhs) {
   return lhs.x() == rhs.x() &&
          lhs.y() == rhs.y() &&
@@ -418,7 +418,7 @@
 /// @param[in] rhs The <code>Rect</code> on the right-hand side of the
 /// equation.
 ///
-/// @return true if the given Rects are equal, otherwise false.
+/// @return True if the given Rects are equal, otherwise false.
 inline bool operator!=(const pp::Rect& lhs, const pp::Rect& rhs) {
   return !(lhs == rhs);
 }