[racket-dev] What happened to image=? in 2htdp/image

Oh, I see what happened: image=? is provided from lang/htdp-*, which I
happened to not have not imported -- I was working in a Racket file
that only imported 2htdp/image. And then I looked in the "Equality
testing of images" section of the 2htdp/image documentation:
   http://docs.racket-lang.org/teachpack/2htdpimage.html#(part._.Equality_.Testing_of_.Images)
and it didn't mention image=?, nor was it anywhere else on the page,
while it does occur in the documentation of htdp/image:
   http://docs.racket-lang.org/teachpack/image.html#(def._((lib._htdp/image..rkt)._image~3d~3f))

So, yes, maybe image=? should be re-exported from 2htdp/image, or at
least mentioned/linked to in the section about equality of images.

--- nadeem


On Sun, Aug 29, 2010 at 2:58 PM, Robby Findler
<robby at eecs.northwestern.edu> wrote:
> image=? seems to work okay to me.  Is there some misleading
> documentation or something somewhere that gives you the impression
> that image=? doesn't work?
>
> Robby
>
> On Sun, Aug 29, 2010 at 12:58 PM, Nadeem Abdul Hamid <nadeem at acm.org> wrote:
>> Is the idea to use equal? to compare images? Wouldn't it be better to
>> define image=? just for the sake of uniformity?
>>
>> --- nadeem
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