Igor Forca wrote:

> I did as instructed.
> 
> Command :verbose set diffopt?
> outputs:
> 
> diffopt=internal,filler 

I forgot to ask about 'diffexpr':
        :verbose set diffopt? diffexpr?

Anyway, it appears Christian spotted a relevant problem.

> Command :20verbose diffupdate 
> outputs:
> 
> ~
> ~
> "b.txt" 1 line, 5 characters
> E959: Invalid diff format.
>   diffopt=internal,filler
> Calling shell to execute: "diff -a --binary 
> C:\Users\igor\AppData\Local\Temp\VIo
> FB64.tmp C:\Users\igor\AppData\Local\Temp\VInFB65.tmp 
> >C:\Users\igor\AppData\Loc
> al\Temp\VIdFB66.tmp 2>&1"
> Calling shell to execute: "diff -a --binary 
> C:\Users\igor\AppData\Local\Temp\VIo
> FB64.tmp C:\Users\igor\AppData\Local\Temp\VInFB65.tmp 
> >C:\Users\igor\AppData\Loc
> al\Temp\VIdFB66.tmp 2>&1"
> E959: Invalid diff format.

I wonder if something went wrong with refactoring the ED format diff parsing.
The tests pass though.

-- 
On the other hand, you have different fingers.
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