On 14/06/2024 00:47, Dmitry Gutov wrote:
> The thing is, decode_coding_c_string already calls 
> adjust_markers_for_insert through
> 
>    decode_coding_object->decode_coding->produce_chars->insert_from_gap
> 
> And the extra call moves the markers too far.
> 
> Unfortunately, it's called with BEFORE_MARKERS=nil, and the above call 
> chain makes it difficult to pass through the extra argument.

We can do it through the coding_system structure, though.

See attached. It fixes the freezes in my testing.

It seems like the least invasive possible fix, but better suggestions 
welcome.