I want to color weekends without "closing" them, so I do:
' WEEKENDS
saturday are colored in LightGrey
sunday are colored in LightGrey
But if that weekend day is a holiday (e.g. pentecost 2025 in Germany), I want to overpaint it
' HOLIDAYS
2025-06-08 to 2025-06-09 are colored Lavender
Current behaviour:

Desired behaviour:

Would it be possible to fix that?