Hi Alex,

> 
> OK - they say it's fine and you say it's not. I don't have the time to be the 
> middle-man here.
> 

I'm fairly certain your vendor's firmware is not following the relevant 
standards, but it sounds like they don't want to fix it.  What can I do? :)

> Although I'd like to, clearly I won't be able to contribute this Quectel support 
> upstream.
> 

Why does it even matter?  I told you very early on that it would be acceptable 
to add a new g_at_result_* method that handles negative integers.

Regards,
-Denis