atktext: adding again details to 'text-insert/remove'. Document it.
atktext: adding again details to 'text-insert/remove'. Document it.

https://bugzilla.gnome.org/show_bug.cgi?id=653293

GNOME/at-spi2-core,Distrotech/atk,GNOME/at-spi2-core,Distrotech/atk,GNOME/at-spi2-core,Distrotech/atk