Max Nikulin <manikulin@gmail.com> writes:

> On 22/10/2022 12:03, Ihor Radchenko wrote:
>> 
>> Probably, href=file.org is treated as a link to resource packed inside
>> .odt file.
>
> You are right. file.odt is a virtual folder representing ZIP container, 
> so relative links to external files should be prefixed with "../".

Thanks for checking!
See the attached tentative patch.