spurious spaces around forceLTR insets

[Jürgen Spitzmüller]

Am Montag, dem 10.04.2023 um 08:08 +0200 schrieb Jürgen Spitzmüller:
> Let's address this next. I'll push the patch meanwhile.

I have integrated a modification of the former patch on top of the
other. Please test.

-- 
Jürgen