[LH789] In Scrivening, multiple selections don't delete properly

Hi - an obscure one, but a nuisance if you like to have in-text notes to self. (Seems related to this issue.)

If I use CTRL+Mouse to select multiple regions of text, format works, but delete only deletes the last selection.

For example, (using bold to indicate selection):

On pressing Delete or CTRL+X, yields:

The same happens with selections created by Select All Style and Select Similar Formatting.

Thanks. This has been filed.