libxext source package in Nile V2.0
libxext-dev: X11 miscellaneous extensions library (development headers)
libxext-doc: X11 miscellaneous extensions library (documentation)
libxext6: X11 miscellaneous extension library
libxext6-dbg: X11 miscellaneous extensions library (debug package)
libxext6-udeb: X11 miscellaneous extension library