Merge remote-tracking branch 'upstream/master'

Author: Luka Stojanovic

v1.0/UserGuide.yml

@@ -522,7 +522,7 @@
     - |
       ```
 
-      *array-outpust-job.yml*
+      *array-outputs-job.yml*
       ```
     - $include: examples/array-outputs-job.yml
     - |
@@ -661,6 +661,16 @@
     - $include: examples/expression.cwl
     - |
       ```
+      
+      As this tool does not require any `inputs` we can run it with an (almost) empty job file:
+      
+      *empty.yml*
+      ```
+    - $include: examples/empty.yml
+    - |
+      ```
+      
+      We can then run `expression.cwl`:
 
       ```
       $ cwl-runner expression.cwl empty.yml
@@ -796,7 +806,7 @@
       class: Workflow
       ```
 
-      The 'cwlVersion` field indicates the version of the CWL spec used by the
+      The `cwlVersion` field indicates the version of the CWL spec used by the
       document.  The `class` field indicates this document describes a workflow.