lyx2lyx error: IndexError: list index out of range

[Jürgen Spitzmüller]

Am Montag, dem 19.12.2022 um 16:57 -0500 schrieb Scott Kostyshak:
> The problem is that the code is supposed to append, then pop. then
> append, then pop. There is a mismatch somewhere and the code pops
> without a preceding append, so the list of languages is empty.

The problem seems to be in the revert_starred_refs method, which
overwrites parts of the surrounding document and thus deletes a plain
layout begin. If you comment out that method, the error disappears.

-- 
Jürgen