- does not include mouse movement events. It is used when the window
- is created (in x_window) and and in selection processing.
-
- We do include ButtonReleases in this set because Emacs isn't always
- fast enough to catch them when it wants them, and they're rare
- enough that they don't use much processor time. */
+ includes mouse movement events, since handling the mouse-font text property
+ means that we must track mouse motion all the time. */