Merge branch 'release-6.6.3' into bugfix-11928
Revert "Revert "Merge branch 'bugfix-11928' into release-6.6.3""

This reverts commit ed7e78da637a752f368269a106a45c8c1cf9abab.
[[ Bug 11928 ]] Fix too many paragraph joins when deleting a range.
Merge branch 'bugfix-11928' into release-6.6.3