Merge pull request #250 from common-workflow-language/draft-4-to-v1.0

Draft 4 to v1.0

Author: mr-c

draft-4/CommandLineTool-standalone.yml renamed to v1.0/CommandLineTool-standalone.yml

@@ -34,6 +34,7 @@ $graph:
     - cwl:draft-4.dev1
     - cwl:draft-4.dev2
     - cwl:draft-4.dev3
+    - cwl:v1.0.dev4
 
 - name: CWLType
   type: enum
@@ -690,9 +691,10 @@ $graph:
       jsonldPredicate: "rdfs:comment"
       doc: "A long, human-readable description of this process object."
     - name: cwlVersion
-      type:
-        - CWLVersions
-      doc: "CWL document version"
+      type: CWLVersions?
+      doc: |
+        CWL document version. Always required at the document root. Not
+        required for a Process embedded inside another Process.
       jsonldPredicate:
         "_id": "cwl:cwlVersion"
         "_type": "@vocab"