K 10
svn:author
V 8
sveinung
K 8
svn:date
V 27
2015-08-20T13:41:53.194944Z
K 7
svn:log
V 203
List all actions in action order validation

List the illegal actions explicitly in the switch statement that validates
perform action orders. Explain why an action can't be ordered yet.

See patch #6257
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