Add `license` element to package.xml documentation

Resolves #364
Resolves #365

diff --git a/docs/package/package-xml.md b/docs/package/package-xml.md
index 42b3a8961e6190d69a2e75f6d030583b6cd66f49..57270c75cd8ae6a97ec1c6ae6ec0f924fb94d076 100644 (file)
--- a/docs/package/package-xml.md
+++ b/docs/package/package-xml.md
@@ -78,6 +78,13 @@ Must be a valid [ISO 8601](http://en.wikipedia.org/wiki/ISO_8601) date, e.g. `20
 
 URL to the package website that provides detailed information about the package.
 
+#### `<license>`
+
+> (optional)
+
+Name of a generic license type or URL to a custom license.
+The attribute `language` can also be used here, please reference to [`<packagename>`](#packageName) for details.
+
 ### `<authorinformation>`
 
 Holds meta data regarding the package's author.