Re: [PATCH v5 0/1] MR2941: Prevent NULL pointer in editor_ensure_visible when retrieving row from cursor.

[Huw Davies (＠huw)]

> I couldn't debug it too much, because the crash happens only in the ITextHost implementation from a microsoft forms dll.

Ah, so it may be related to which host callbacks get called.  I think we're going to need some tests that look at that.