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Re: [PATCH] Delayed loading of image libraries

From: Juanma Barranquero
Subject: Re: [PATCH] Delayed loading of image libraries
Date: Fri, 02 Jul 2004 09:02:10 +0200

On Fri, 02 Jul 2004 10:16:03 +0900
Miles Bader <address@hidden> wrote:

> Previously, the value returned by `create-image' was a valid image,
> which could be displayed, even if saved to a file and read back in a new
> emacs session.  After your change for windows, this was not true any
> longer.

Why?  In which way would it be different from the previous situation,
where you could make a PNG image, say, save it, and load it on an Emacs
*not* supporting PNG? After loading, Emacs *must* ask at a moment or
other whether the image type is available, mustn't it?

So, at what moment is the loaded image used, and why
`image-type-available-p' has not been called at that point?

> This was a regression, and my change was intended to fix it.

Yes.  But it didn't fix it, and Andreas patch doesn't either.

Miles, please, stop assuming that I don't accept there's a problem, or
that I don't want it fixed.  I'm just dissenting about the precise place
and method to fix it.


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