fix #20832: Crash after adding accidental
merge doit/fall with glissando palette
Enabled all Capella testcases
Force <Beam> tags
fix #20893 and 20894
fix #20895
fix #20896
fix #20891
Merge pull request #316 from lvinken/20581-capx-impl-3

Enabled all Capella testcases
Merge pull request #318 from lvinken/capella-import-fixes

Capella import fixes