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Re: Printing

From: Eli Zaretskii
Subject: Re: Printing
Date: Tue, 31 Mar 2009 06:18:34 +0300

> From: Richard M Stallman <address@hidden>
> CC: address@hidden, address@hidden
> Date: Mon, 30 Mar 2009 17:50:30 -0400
>     Because ps-print needs to know how to send non-ASCII characters to the
>     printer.  Characters from scripts that the printer supports directly
>     can be sent verbatim (encoded by a suitable coding-system).  Other
>     characters need to be downloaded into the printer before we can use
>     them.
> Does GTK printing need similar setup?  If not, can we use whatever
> mechanism it uses?

No, we can't.  As Jan explained, GTK+ requires that applications use
cairo for rendering, which we probably will not able to do even in the
GTK build, at least not easily.

>     If some of the characters in the region you print don't have a
>     corresponding entry in ps-mule-font-info-database, it says something
>     vague about "some characters will not be printed".
> We could turn that into a query or an error.

Yes, but that still leaves unresolved the issue of how to set it up
correctly _after_ you know you need some setup.  There's not enough
information in ps-mule.el (or elsewhere in Emacs docs) to know what to
do, unless you have intimate knowledge of what your printer supports
and the fonts that are available.

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