-1. You may make and give away verbatim copies of the source form of
-the Standard Version of this Package without restriction, provided
-that you duplicate all of the original copyright notices and
-associated disclaimers.
-
-2. You may apply bug fixes, portability fixes, and other modifications
-derived from the Public Domain or from the Copyright Holder. A Package
-modified in such a way shall still be considered the Standard Version.
-
-3. You may otherwise modify your copy of this Package in any way,
-provided that you insert a prominent notice in each changed script,
-suite, or file stating how and when you changed that script, suite,
-or file, and provided that you do at least ONE of the following:
-
- a) Use the modified Package only within your corporation or
- organization, or retain the modified Package solely for personal use.
-
- b) Place your modifications in the Public Domain or otherwise make
- them Freely Available, such as by posting said modifications to Usenet
- or an equivalent medium, or placing the modifications on a major archive
- site such as ftp.uu.net, or by allowing the Copyright Holder to include
- your modifications in the Standard Version of the Package.
-
- c) Rename any non-standard executables so the names do not conflict
- with standard executables, which must also be provided, and provide
- a separate manual page (or equivalent) for each non-standard executable
- that clearly documents how it differs from the Standard Version.
-
- d) Make other distribution arrangements with the Copyright Holder.
-
-4. You may distribute the programs of this Package in object code or
-executable form, provided that you do at least ONE of the following:
-
- a) Distribute a Standard Version of the executables and library
- files, together with instructions (in the manual page or
- equivalent) on where to get the Standard Version.
-
- b) Accompany the distribution with the machine-readable source of
- the Package with your modifications.
-
- c) Accompany any non-standard executables with their corresponding
- Standard Version executables, give the non-standard executables
- non-standard names, and clearly document the differences in manual
- pages (or equivalent), together with instructions on where to get
- the Standard Version.
-
- d) Make other distribution arrangements with the Copyright Holder.
-
-5. You may charge a reasonable copying fee for any distribution of
-this Package. You may charge any fee you choose for support of this
-Package. You may not charge a fee for this Package itself. However,
-you may distribute this Package in aggregate with other (possibly
-commercial) programs as part of a larger (possibly commercial)
-software distribution provided that you do not advertise this Package
-as a product of your own.
-
-6. The scripts and library files supplied as input to or produced as
-output from the programs of this Package do not automatically fall
-under the copyright of this Package, but belong to whomever generated
-them, and may be sold commercially, and may be aggregated with this
-Package.
-
-7. Scripts, suites, or programs supplied by you that depend on or
-otherwise make use of this Package shall not be considered part of
-this Package.
-
-8. The name of the Copyright Holder may not be used to endorse or
-promote products derived from this software without specific prior
-written permission.
-
-9. THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
-WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
-MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
-
- The End
+The following notices apply to the file name completion code
+(ion-completefile, based on editline):
+
+Copyright 1992 Simmule Turner and Rich Salz. All rights reserved.
+
+This software is not subject to any license of the American Telephone
+and Telegraph Company or of the Regents of the University of California.
+
+Permission is granted to anyone to use this software for any purpose on
+any computer system, and to alter it and redistribute it freely, subject
+to the following restrictions:
+1. The authors are not responsible for the consequences of use of this
+ software, no matter how awful, even if they arise from flaws in it.
+2. The origin of this software must not be misrepresented, either by
+ explicit claim or by omission. Since few users ever read sources,
+ credits must appear in the documentation.
+3. Altered versions must be plainly marked as such, and must not be
+ misrepresented as being the original software. Since few users
+ ever read sources, credits must appear in the documentation.
+4. This notice may not be removed or altered.
+
+The version contained here has some modifications by awb@cstr.ed.ac.uk
+(Alan W Black) in order to integrate it with the Edinburgh Speech Tools
+library and Scheme-in-one-defun in particular.
+
+---
+
+The following notice applies to libtu, a library included in Ion3:
+
+Copyright (c) Tuomo Valkonen 1999-2007.
+
+Most of this library may be distributed and modified under either under
+the Clarified Artistic License or the GNU LGPL, version 2.1 or later,
+both reproduced in the file LICENSE. The red-black tree code is under
+the GNU LGPL; see README.rb for details.
+
+---