commit 5ef63e81ddd7299bfb738cae643bc48560b68a17
Author: Wojtek Kosior <koszko@koszko.org>
Date:   Fri Feb 18 13:38:49 2022 +0100

    make "uuid" an optional property

diff --git a/common_definitions-1.schema.json b/common_definitions-1.schema.json
index dfe0cd8..f88a9cd 100644
--- a/common_definitions-1.schema.json
+++ b/common_definitions-1.schema.json
@@ -117,7 +117,7 @@
 		"$ref": "#/definitions/typed_item_ref"
 	    }, {
 		"type": "object",
-		"required": ["uuid", "description"],
+		"required": ["description"],
 		"properties": {
 		    "uuid": {
 			"description": "UUIDv4 of this item (shared with other versions of this item, otherwise unique)",