Add missing licenses and other fixes

debian/copyright

@@ -24,7 +24,7 @@ Copyright: 1999 SuSE, Inc.
            2013 Rafael Antognolli
            2014 Jari Vetoniemi
            2015 Giulio camuffo
-           2015 Martin Gräßl
+           2015 Martin Gräßlin
            2015-2017 Red Hat Inc.
            2015-2016 Jan Arne Peterson
            2015-2017 Samsung Electronics Co., Ltd
@@ -38,7 +38,54 @@ Copyright: 1999 SuSE, Inc.
            2020 Aleix Pol Gonzalez <aleixpol@kde.org>
            2020 Carlos Garnacho <carlosg@gnome.org>
            2023 The wlroots contributors
-License:   MIT
+License:   Expat
+
+Files:     protocols/kde-server-decoration.xml
+           subprojects/wlroots-hyprland/protocol/server-decoration.xml
+Copyright: 2015 Martin Gräßlin
+License:   LGPL-2.1+
+
+Files:     protocols/wayland-drm.xml
+           protocols/wlr-data-control-unstable-v1.xml
+           protocols/wlr-foreign-toplevel-management-unstable-v1.xml
+           protocols/wlr-gamma-control-unstable-v1.xml
+           protocols/wlr-layer-shell-unstable-v1.xml
+           protocols/wlr-output-management-unstable-v1.xml
+           subprojects/wlroots-hyprland/protocol/drm.xml
+           subprojects/wlroots-hyprland/protocol/wlr-data-control-unstable-v1.xml
+           subprojects/wlroots-hyprland/protocol/wlr-foreign-toplevel-management-unstable-v1.xml
+           subprojects/wlroots-hyprland/protocol/wlr-gamma-control-unstable-v1.xml
+           subprojects/wlroots-hyprland/protocol/wlr-layer-shell-unstable-v1.xml
+           subprojects/wlroots-hyprland/protocol/wlr-output-management-unstable-v1.xml
+Copyright: 2008-2011 Kristian Høgsberg
+           2010-2011 Intel Corporation
+           2015 Giulio camuffo
+           2017 Drew DeVault
+           2018 Ilia Bozhinov
+           2018 Simon Ser
+           2019 Ivan Molodetskikh
+           2019 Purism SPC
+License:   HPND-sell-variant
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that\n the above copyright notice appear in
+  all copies and that both that copyright notice and this permission
+  notice appear in supporting documentation, and that the name of
+  the copyright holders not be used in advertising or publicity
+  pertaining to distribution of the software without specific,
+  written prior permission.  The copyright holders make no
+  representations about the suitability of this software for any
+  purpose.  It is provided "as is" without express or implied
+  warranty.
+  .
+  THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+  SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+  FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+  SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+  AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+  ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
+  THIS SOFTWARE.
 
 License:   BSD-3-Clause
  Redistribution and use in source and binary forms, with or without
@@ -66,7 +113,7 @@ License:   BSD-3-Clause
  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-License:   MIT
+License:   Expat
  Permission is hereby granted, free of charge, to any person obtaining
  a copy of this software and associated documentation files (the
  "Software"), to deal in the Software without restriction, including
@@ -88,3 +135,20 @@ License:   MIT
  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  SOFTWARE.
 
+License:   LGPL-2.1+
+ This file is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+ .
+ This file is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ Lesser General Public License for more details.
+ .
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ .
+ On Debian systems, the complete text of the GNU Lesser General Public
+ License version 2.1 can be found in "/usr/share/common-licenses/LGPL-2.1".