Merge pull request #2003 from GenericMappingTools/ghostfuns-improvs #3341

Job	Run time
Julia nightly - windows-latest - x64 - push	33s
Julia ~1.10.0-0 - macos-latest - x64 - push	28m 1s
Julia ~1.10.0-0 - windows-latest - x64 - push	26s
Julia nightly - macos-latest - x64 - push	36m 40s
Julia ~1.10.0-0 - ubuntu-latest - x64 - push	15m 18s
Julia nightly - ubuntu-latest - x64 - push	24m 25s
	1h 45m 23s

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