More legal pedantry

FossilOrigin-Name: bd36d4dfdcba1e086632c4094bded8ec4e7bb2c568a25b13cf3ccf01554fb1aa

Author: danshearer

LICENCES/README.md

@@ -1,3 +1,11 @@
+<!-- Copyright 2020 The LumoSQL Authors, see LICENSES/CC-BY-SA-4.0 -->
+
+<!-- SPDX-License-Identifier: CC-BY-SA-4.0 -->
+<!-- SPDX-FileCopyrightText: 2020 The LumoSQL Authors -->
+<!-- SPDX-ArtifactOfProjectName: LumoSQL -->
+<!-- SPDX-FileType: Documentation -->
+<!-- SPDX-FileComment: Original by Dan Shearer, 2020 -->
+
 # Licences
 
 This directory documents all the licences applying to all material in the LumoSQL project.
@@ -8,16 +16,16 @@ The [MIT License](https://en.wikipedia.org/wiki/MIT_License) applies to all code
 this project. The MIT licence is the most-widely used Open Source
 licence, including by some of the world's largest companies. The MIT licence
 grants everyone the right to use the code for any purpose under copyright law. Every 
-file should have a [Software Package Data Exchange](https://spdx.dev) machine-readable header,
-but even if it doesn't, the MIT licence still applies.
+file containing code should have a copyright statement at the top and also a
+[Software Package Data Exchange](https://spdx.dev) machine-readable header, but even 
+if it doesn't, the MIT licence still applies.
 
 # Creative Commons Licencse
 
 The [Creative Commons Attribution-ShareAlike 4.0](https://creativecommons.org/licenses/by-sa/4.0/) 
 licence applies, where indicated by a copyright claim at the top, to the relatively small amount of 
 documentation in the LumoSQL project which is not within source code files.
 The full LumoSQL documentation can be found elsewhere at the 
-[LumoSQL documentation project](https://lumosql.org/lumodoc). 
-
+[LumoSQL documentation project](https://lumosql.org/lumodoc).