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From: karl@freefriends.org (Karl Berry)
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Subject: Re: [dak@gnu.org: Where to ask for Info features?]
Date: Mon, 5 Apr 2004 11:06:17 -0400
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    I was just asking for a way
    in which an Info file can tell Emacs to do it.

David, as I mentioned to you, right now @image takes a bunch of optional
arguments:

    @image{FILENAME[, WIDTH[, HEIGHT[, ALTTEXT[, EXTENSION]]]]}

In the Info output (as of the upcoming release) this gets written as:

     ^@^H[image src="BINARYFILE" text="TXTFILE"
                alt="ALTTEXT ... ^@^H]

And the Info readers interpret/ignore this as they please.  So this is
easily extendable with more image properties as they are needed.

I hope/assume the alttext will do for the help text.

If we need more arguments to @image, please elucidate.