SIGSEGV on current master when saving with cursor in subscript

[Jürgen Spitzmüller]

Am Dienstag, dem 16.04.2024 um 12:08 +0200 schrieb Jean-Marc
Lasgouttes:
> I propose the following patch. Can you check that it works?

Works for me with both testcases.

-- 
Jürgen