After a command is executed, if point is moved into a region that has
special properties (e.g. composition, display), we adjust point to
-the boundary of the region. But, several special commands sets this
-variable to non-nil, then we suppress the point adjustment.
+the boundary of the region. But, when a command sets this variable to
+non-nil, we suppress the point adjustment.
This variable is set to nil before reading a command, and is checked
just after executing the command. */);