Documented new `append` support w/ `Set Test/Suite Msg/Doc/Meta` keywords.
Documented new `append` support w/ `Set Test/Suite Msg/Doc/Meta` keywords.

Update issue 1348
Status: Done
Documented.

userzimmermann/robotframework-python3,userzimmermann/robotframework-python3,userzimmermann/robotframework-python3,userzimmermann/robotframework-python3,userzimmermann/robotframework-python3