status. If that doesn't work, you can exit the interpreter by typing the
following command: ``quit()``.
-The interpreter's line-editing features usually aren't very sophisticated. On
-Unix, whoever installed the interpreter may have enabled support for the GNU
-readline library, which adds more elaborate interactive editing and history
-features. Perhaps the quickest check to see whether command line editing is
+The interpreter's line-editing features include interactive editing, history
+substitution and code completion on systems that support readline.
+Perhaps the quickest check to see whether command line editing is
supported is typing Control-P to the first Python prompt you get. If it beeps,
you have command line editing; see Appendix :ref:`tut-interacting` for an
introduction to the keys. If nothing appears to happen, or if ``^P`` is echoed,