Merge branch 'function_as_special' into 'release-3-1-x'
Treat FUNCTION like SPECIAL in .plot file
See merge request !730 (merged)
(cherry picked from commit 4f399b8f)
dfead813 Update 2 files e36f63be Merge branch 'release-3-1-x' into 'function_as_special' 27de7fea Fix missing FUNCTION case.