Overdue copyright date updates
diff --git a/xml/Makefile b/xml/Makefile
index 4fd3d9c..2cf9db2 100644
--- a/xml/Makefile
+++ b/xml/Makefile
@@ -1,4 +1,4 @@
-# Copyright 2013-2020 The Khronos Group Inc.
+# Copyright 2013-2025 The Khronos Group Inc.
 # SPDX-License-Identifier: Apache-2.0
 
 # Generator scripts and options
diff --git a/xml/genglvnd.py b/xml/genglvnd.py
index 0f58a50..efc6e30 100755
--- a/xml/genglvnd.py
+++ b/xml/genglvnd.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 #
-# Copyright 2013-2020 The Khronos Group Inc.
+# Copyright 2013-2025 The Khronos Group Inc.
 # SPDX-License-Identifier: Apache-2.0
 
 import sys, time, pdb, string, cProfile
@@ -132,7 +132,7 @@
 # Copyright text prefixing all headers (list of strings).
 prefixStrings = [
     '/*',
-    '** Copyright 2013-2020 The Khronos Group Inc.',
+    '** Copyright 2013-2025 The Khronos Group Inc.',
     '** SPDX-' + 'License-Identifier: MIT',
     '**',
     '** This header is generated from the Khronos OpenGL / OpenGL ES XML',
diff --git a/xml/genheaders.py b/xml/genheaders.py
index 763739f..fe1738d 100755
--- a/xml/genheaders.py
+++ b/xml/genheaders.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 #
-# Copyright 2013-2020 The Khronos Group Inc.
+# Copyright 2013-2025 The Khronos Group Inc.
 # SPDX-License-Identifier: Apache-2.0
 
 import sys, time, pdb, string, cProfile
@@ -69,7 +69,7 @@
 # Copyright text prefixing all headers (list of strings).
 prefixStrings = [
     '/*',
-    '** Copyright 2013-2020 The Khronos Group Inc.',
+    '** Copyright 2013-2025 The Khronos Group Inc.',
     '** SPDX-' + 'License-Identifier: MIT',
     '**',
     '** This header is generated from the Khronos OpenGL / OpenGL ES XML',
diff --git a/xml/gl.xml b/xml/gl.xml
index a72da11..e936344 100644
--- a/xml/gl.xml
+++ b/xml/gl.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <registry>
     <comment>
-Copyright 2013-2020 The Khronos Group Inc.
+Copyright 2013-2025 The Khronos Group Inc.
 SPDX-License-Identifier: Apache-2.0
 
 This file, gl.xml, is the OpenGL and OpenGL API Registry. The canonical
@@ -43495,10 +43495,10 @@
             </require>
         </extension>
         <extension name="GL_MESA_shader_integer_functions" supported="gl|gles2"/>
-	<extension name="GL_MESA_texture_const_bandwidth" supported="gl|gles2">
+        <extension name="GL_MESA_texture_const_bandwidth" supported="gl|gles2">
             <require>
                 <enum name="GL_CONST_BW_TILING_MESA"/>
-	    </require>
+            </require>
         </extension>
         <extension name="GL_MESA_tile_raster_order" supported="gl">
             <require>
diff --git a/xml/glx.xml b/xml/glx.xml
index 710310f..5cb02a8 100644
--- a/xml/glx.xml
+++ b/xml/glx.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <registry>
     <comment>
-Copyright 2013-2020 The Khronos Group Inc.
+Copyright 2013-2025 The Khronos Group Inc.
 SPDX-License-Identifier: Apache-2.0
 
 This file, glx.xml, is the GLX API Registry. The canonical version of the
diff --git a/xml/wgl.xml b/xml/wgl.xml
index cc0afb8..3310cd5 100644
--- a/xml/wgl.xml
+++ b/xml/wgl.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <registry>
     <comment>
-Copyright 2013-2020 The Khronos Group Inc.
+Copyright 2013-2025 The Khronos Group Inc.
 SPDX-License-Identifier: Apache-2.0
 
 This file, wgl.xml, is the WGL API Registry. The canonical version of the