Re: Minor texdoc call patch

[Ikumi Keita]

Hi Arash,

>>>>> Arash Esbati <arash@gnu.org> writes:
> I don't use Evince so please forgive me if my comment is off: What is
> that % at the end of line good for?

>   viewer_pdf = evince %s %
>                          ^?

Oops, sorry. I need new glasses 😵‍💫🧐

> What do get if you try

>   viewer_pdf = evince %s &
>                        ^

> or even

>   viewer_pdf = (evince %s) &

> ? Best, Arash

Both gave me the same result as before; asynchronous call to texdoc with
Yuri's former patch terminated immediately without launching evince.

Thus I think that we need `pipe' connection type for asynchronous call
as Yuri's latest patch does.

Regards,
Ikumi Keita
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