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Subject: image/jpeg is viewed externally?!?
Date: 24 Nov 1998 14:33:58 -0500
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Is there some sort of image size boundary, beyond which p0.54 decides
to invoke xv(1) for viewing, rather than doing so inline in XEmacs?

I've been sending myself a bunch of test messages, using `C-c C-a'
just to try it out.  If I send myself a copy of the miniature rms.jpg
image Lars has been using in the MIME tests, that displays fine.  If I
send myself a random image that fits comfortably within the display
limits of my *Article* buffer, that too displays fine.

But if I send myself a 517x768 image/jpeg, Gnus spawns xv(1) for it.
I'm not hallucinating, honest -- from my *Message-Log* buffer:

	Generating summary...done
	Viewing with xv %s
	Displaying xv /tmp/emm.a20268/mm.a20268...

I expected the image to be displayed directly, as other images had
been.  What are the conditions under which xv is preferred over direct
display by XEmacs?