Calc: Workaround for copy-paste's of merged cells erroneous demerge?

[chrisjj]

I have autofiltered rows containing merged cells. I copy two rows, and paste, but the merged cells get demerged:

See attached.

How can avoid the demerge? I.e. copy keeping the merge intact?

Copy bogus demerge.ods (15.7 KB)

[chrisjj]

I’d love to know if it is possible. Thanks.