Re: [bug#29096] [PATCH] gnu: Add Epson escpr printer driver.

[Diego Nicola Barbato <dnbarbato@posteo.de>]

I sent a copy of this to guix-devel@gnu.org because the bug has already
been closed.

Danny Milosavljevic <dannym@scratchpost.org> writes:

> On Wed, 01 Nov 2017 03:20:04 +0100
> Diego Nicola Barbato <dnbarbato@posteo.de> wrote:
>
>> This patch adds the Epson ESC/P-R printer driver.
>
> Nice! Could you also add the escpr to the documentation in doc/guix.texi
> (in a new patch) ?
>
> Maybe extend the documentation from
>
> --------------------------------------------------------------------------
> Suppose you want to enable the Web interface of CUPS and also add
> support for HP printers @i{via} the @code{hplip} package.  You can do
> that directly, like this (you need to use the @code{(gnu packages cups)}
> module):
>
> @example
> (service cups-service-type
>          (cups-configuration
>            (web-interface? #t)
>            (extensions
>              (list cups-filters hplip))))
> @end example
> --------------------------------------------------------------------------
>
> to
>
> --------------------------------------------------------------------------
> Suppose you want to enable the Web interface of CUPS, add support for Epson printers $i{via}
> the @code{escpr} and also add support for HP printers @i{via} the @code{hplip} package.  You can do
> that directly, like this (you need to use the @code{(gnu packages cups)}
> module):
>
> @example
> (service cups-service-type
>          (cups-configuration
>            (web-interface? #t)
>            (extensions
>              (list cups-filters escpr hplip))))
> @end example
> --------------------------------------------------------------------------
>
> (if that's how it's used).

Yes this is how it is used.  I additionally installed it into my user
profile so as to have easier access to the ppd files.

> I think otherwise it's not really discoverable for the regular user how to
> use this (installing the package into the user profile would do nothing,
> right?).

I agree that it is hard to discover.  Is it OK if I simply apply your
proposed extension to the documentation?

> I wonder whether we should extend the default cups-configuration
> to list both escpr and hplib.  But that's for later...

Thanks.

Diego