CUPS&#xA;&#xA;Copyright Â© 2007-2019 by Apple Inc.&#xA;Copyright Â©Â 1997-2007 by Easy Software Products.&#xA;&#xA;CUPS and the CUPS logo are trademarks of Apple Inc.&#xA;&#xA;The MD5 Digest code is Copyright 1999 Aladdin Enterprises.&#xA;&#xA;The Kerberos support code (&#34;KSC&#34;) is copyright 2006 by Jelmer Vernooij and is&#xA;provided &#39;as-is&#39;, without any express or implied warranty.  In no event will the&#xA;author or Apple Inc. be held liable for any damages arising from the use of the&#xA;KSC.&#xA;&#xA;Sources files containing KSC have the following text at the top of each source&#xA;file:&#xA;&#xA;    This file contains Kerberos support code, copyright 2006 by Jelmer Vernooij.&#xA;&#xA;The KSC copyright and license apply only to Kerberos-related feature code in&#xA;CUPS.  Such code is typically conditionally compiled based on the present of the&#xA;HAVE_GSSAPI preprocessor definition.&#xA;&#xA;Permission is granted to anyone to use the KSC for any purpose, including&#xA;commercial applications, and to alter it and redistribute it freely, subject to&#xA;the following restrictions:&#xA;&#xA;  1. The origin of the KSC must not be misrepresented; you must not claim that&#xA;     you wrote the original software. If you use the KSC in a product, an&#xA;     acknowledgment in the product documentation would be appreciated but is not&#xA;     required.&#xA;  2. Altered source versions must be plainly marked as such, and must not be&#xA;     misrepresented as being the original software.&#xA;  3. This notice may not be removed or altered from any source distribution.&#xA;&#xA;&#xA;-- CUPS Exceptions to the Apache 2.0 License --&#xA;&#xA;As an exception, if, as a result of your compiling your source code, portions&#xA;of this Software are embedded into an Object form of such source code, you&#xA;may redistribute such embedded portions in such Object form without complying&#xA;with the conditions of Sections 4(a), 4(b) and 4(d) of the License.&#xA;&#xA;In addition, if you combine or link compiled forms of this Software with&#xA;software that is licensed under the GPLv2 (&#34;Combined Software&#34;) and if a&#xA;court of competent jurisdiction determines that the patent provision (Section&#xA;3), the indemnity provision (Section 9) or other Section of the License&#xA;conflicts with the conditions of the GPLv2, you may retroactively and&#xA;prospectively choose to deem waived or otherwise exclude such Section(s) of&#xA;the License, but only in their entirety and only with respect to the Combined&#xA;Software.&#xA;