QCALVIEW attribution notice
===========================

QCALVIEW was originally developed and sponsored by:

    Fabrice Kerzerho — ArcTan°
    Visual Simulation & Geomatics
    https://qcalview.com
    https://arctan.fr
    contact@arctan.fr

Copyright © 2026 Fabrice Kerzerho — ArcTan°.

The QCALVIEW source code is licensed under the GNU General Public License
version 3 or later (GPL-3.0-or-later). In accordance with the GPL and, where
applicable, the reasonable author-attribution provisions permitted by section
7(c) of GPLv3, redistributions of QCALVIEW or modified versions should preserve
applicable copyright, licence and author-attribution notices and clearly state
when the software has been modified.

A concise attribution suitable for redistributed or derivative versions is:

    Based on QCALVIEW — originally developed by Fabrice Kerzerho / ArcTan°
    https://qcalview.com

This notice does not require users to place QCALVIEW or ArcTan° credits on maps,
images, reports or other works merely produced with the software.

The QCALVIEW and ArcTan° names, logos and associated visual identity are
addressed separately in TRADEMARKS.md. The GPL licence for the source code does
not itself grant unrestricted branding rights.
