This is the license from "Calendrical Calculations", and code that was
ported from it.

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The Functions (code, comments, and definitions) contained on this compact disk (the "Program") were written by Edward M. Reingold and Nachum Dershowitz (the "Authors"), who retain all rights to them except as granted in the License and subject to the warranty and liability limitations below. These Functions are explained in the Authors' book, "Calendrical Calculations: The Millennium Edition" (Cambridge University Press, second printing, 2002), and are subject to an international copyright.

The Authors' public service intent is more liberal than suggested by the License below, as are their licensing policies for otherwise nonallowed uses such as--without limitation--those in commercial, web-site, and large-scale academic contexts. Please see the web-site

http://www.calendarists.com

for all uses not authorized below; in case there is cause for doubt about whether a use you contemplate is authorized, please contact the Authors (email: reingold@iit.edu) . For commercial licensing information, contact the first author at the Department of Computer Science, Illinois Institute of Technology, Chicago, IL 60616-3729, U.S.A.

1. LICENSE. The Authors grant you a license for personal use only. This means that for strictly personal use you may copy and use the code, and keep a backup or archival copy also. Any other uses, including without limitation, allowing the code or its output to be accessed, used, or available to others, is not permitted.

2. WARRANTY.

(a) THE AUTHORS PROVIDE NO WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITING THE GENERALITY OF THE FOREGOING, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

(b) THE AUTHORS SHALL NOT BE LIABLE TO YOU OR ANY THIRD PARTIES FOR DAMAGES OF ANY KIND, INCLUDING WITHOUT LIMITATION, ANY LOST PROFITS, LOST SAVINGS, OR ANY OTHER INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF OR RELATED TO THE USE, INABILITY TO USE, OR INACCURACY OF CALCULATIONS, OF THE CODE AND FUNCTIONS CONTAINED HEREIN, OR THE BREACH OF ANY EXPRESS OR IMPLIED WARRANTY, EVEN IF THE AUTHORS OR PUBLISHER HAVE BEEN ADVISED OF THE POSSIBILITY OF THOSE DAMAGES.

(c) THE FOREGOING WARRANTY MAY GIVE YOU SPECIFIC LEGAL RIGHTS WHICH MAY VARY FROM STATE TO STATE IN THE U.S.A.

3. LIMITATION OF LICENSEE REMEDIES. You acknowledge and agree that your exclusive remedy (in law or in equity), and Authors' entire liability with respect to the material herein, for any breach of representation or for any inaccuracy shall be a refund of the license fee or service and handling charge which you paid the Authors, if any.

SOME STATES IN THE U.S.A. DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE EXCLUSIONS OR LIMITATION MAY NOT APPLY TO YOU.

4. DISCLAIMER. Except as expressly set forth above, the Authors:

(a) make no other warranties with respect to the material in the Program and expressly disclaim any others;

(b) do not warrant that the material contained in the Program will meet your requirements or that their operation shall be uninterrupted or error-free;

(c) license this material on an "as is" basis, and the entire risk as to the quality, accuracy, and performance of the Program is yours, should the code prove defective (except as expressly warranted herein). You alone assume the entire cost of all necessary corrections.