Formatting changes

ppapi/c/pp_input_event.h

Index: ppapi/c/pp_input_event.h
===================================================================
--- ppapi/c/pp_input_event.h	(revision 91508)
+++ ppapi/c/pp_input_event.h	(working copy)
@@ -238,11 +238,11 @@
   uint32_t modifier;
 
   /**
-   * Indicates the amount vertically and horizontally the user has requested
-   * to scroll by with their mouse wheel. A scroll down or to the right (where
-   * the content moves up or left) is represented as positive values, and
-   * a scroll up or to the left (where the content moves down or right) is
-   * represented as negative values.
+   * This value indicates the amount vertically and horizontally the user has

[der Springer, 2011/08/09 20:40:40]

Horizontal only.  And this sentence is pretty awkward.  Maybe: "The mouse
wheel's horizontal scroll amount."

[jond, 2011/08/10 21:05:59]

Done.

+   * requested to scroll by with their mouse wheel. A scroll down or to the
+   * right (where the content moves up or left) is represented as positive
+   * values, and a scroll up or to the left (where the content moves down or

[der Springer, 2011/08/09 20:40:40]

Remove references to "up/down" in this section.

[jond, 2011/08/10 21:05:59]

Done.

+   * right) is represented as negative values.
    *
    * The units are either in pixels (when scroll_by_page is false) or pages
    * (when scroll_by_page is true). For example, delta_y = -3 means scroll up 3
@@ -260,7 +260,27 @@
    */
   float delta_x;
 
-  /** This value represents */
+  /**
+   * This value indicates the amount vertically and horizontally the user has

[der Springer, 2011/08/09 20:40:40]

Vertical only.  Also, this sentence is awkward (see above);.

[jond, 2011/08/10 21:05:59]

Done.

+   * requested to scroll by with their mouse wheel. A scroll down or to the
+   * right (where the content moves up or left) is represented as positive

[der Springer, 2011/08/09 20:40:40]

Remove references to "left/right" in this section.

[jond, 2011/08/10 21:05:59]

Done.

+   * values, and a scroll up or to the left (where the content moves down or
+   * right) is represented as negative values.
+   *
+   * The units are either in pixels (when scroll_by_page is false) or pages
+   * (when scroll_by_page is true). For example, delta_y = -3 means scroll up 3
+   * pixels when scroll_by_page is false, and scroll up 3 pages when
+   * scroll_by_page is true.
+   *
+   * This amount is system dependent and will take into account the user's
+   * preferred scroll sensitivity and potentially also nonlinear acceleration
+   * based on the speed of the scrolling.
+   *
+   * Devices will be of varying resolution. Some mice with large detents will
+   * only generate integer scroll amounts. But fractional values are also
+   * possible, for example, on some trackpads and newer mice that don't have
+   * "clicks".
+   */
   float delta_y;
 
   /**