Initial import of the ircii-pana-1.1-final source tree.

git-svn-id: svn://svn.code.sf.net/p/bitchx/code/tags/ircii-pana-1.1-final@1 13b04d17-f746-0410-82c6-800466cd88b0

bitchx-docs/4_Misc/set/history_file

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+Synopsis:
+   set history_file [<filename>]
+
+Description:
+   If this variable is set, the client will (attempt to) write out the
+   command history to the given file.  It will also read the history from
+   this file.  This has the advantage of keeping the client's memory
+   usage to a minimum, but it can slow performance.
+
+   This feature can be disabled by unsetting the variable, or setting it
+   to "<empty>".  The HISTORY setting must also be disabled to completely
+   disable command history.
+
+See Also:
+   bind(4) backward_history, forward_history, shove_to_history;
+   history(4); set(4) history
+
+Other Notes:
+   Setting HISTORY_FILE to /dev/null is not recommended, as the behavior
+   is, at best, undefined, due to the various ways different Unixes handle
+   reads from and writes to the device.
+