update /lib/legal/NOTICE

diff --git a/lib/legal/NOTICE b/lib/legal/NOTICE
index ccec51249ee8c72ef55141efc8eed437cdc2d554..8afa4e4f3829ad9df1b4f933956bfd871616f0d0 100644 (file)
--- a/lib/legal/NOTICE
+++ b/lib/legal/NOTICE
@@ -1,6 +1,11 @@
-The Plan 9 software is provided under the terms of the
-Lucent Public License, Version 1.02, reproduced in the
-file /lib/legal/lpl, with the following notable exceptions:
+Plan 9 from Bell Labs is provided under the terms of the Lucent Public License,
+Version 1.02, reproduced in the file /lib/legal/lpl.
+
+Any additions or changes (as recorded in Mercurial history) made by 9front are provided
+under the terms of the MIT License, reproduced in the file /lib/legal/mit, unless
+otherwise indicated.
+
+The following exceptions apply:
 
 1. No right is granted to create derivative works of or
    to redistribute (other than with the Plan 9 Operating System)
@@ -11,11 +16,19 @@ file /lib/legal/lpl, with the following notable exceptions:
    These directories contain material copyrights by B&H Inc. and Y&Y Inc.
 
 2. The printer fonts identified in subdirectory /sys/lib/ghostscript/font
-   are subject to the GNU GPL, reproduced in the file /lib/legal/gpl.
+   are subject to the GNU GPL, version 2, reproduced in the file /lib/legal/gpl.
 
 3. The ghostscript program in the subdirectory /sys/src/cmd/gs is
    covered by the Aladdin Free Public License, reproduced in the file
    /lib/legal/afpl.
 
+4. The Python programming language in the subdirectories /sys/src/cmd/python and
+   /sys/lib/python is covered by the Python Software Foundation License, reproduced
+   in the file /sys/src/cmd/python/LICENSE.
+
+5. The Mercurial version control system in the subdirectories /sys/src/cmd/hg and
+   /sys/lib/mercurial is covered by the GNU GPL, version 2, reproduced in
+   the file /lib/legal/gpl.
+
 Other, less notable exceptions are marked in the file tree with
 COPYING, COPYRIGHT, or LICENSE files.

diff --git a/lib/legal/mit b/lib/legal/mit
new file mode 100644 (file)
index 0000000..95f1602
--- /dev/null
+++ b/lib/legal/mit
@@ -0,0 +1,19 @@
+Copyright (c) 20XX 9front
+
+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 without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.