SIGSEGV introduced recently on master when deleting an inset

[Jürgen Spitzmüller]

Am Sonntag, dem 07.04.2024 um 19:34 +0200 schrieb Jean-Marc Lasgouttes:
> This is now fixed in master at 89901123c579.

Thanks, this also fixes the other, minor issue (CT related) I reported.

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Jürgen