[Seaside] Modify WAHtmlRenderer>>imageWithForm: to allow not setting of IMG width and height attributes

[Avi Bryant]

> On Sat, 01 Jan 2005 15:58:06 +0800, Yar Hwee Boon <hboon at motionobj.com> wrote:
> I suggest modifying WAHtmlRenderer>>imageWithForm: to
> 
> imageWithForm: aForm
>      (aForm width = 0 or: [aForm height = 0])
>          ifTrue: [self image: (self context urlForDocument: aForm)]
>          ifFalse: [self image: (self context urlForDocument: aForm)
>                          width: aForm width
>                          height: aForm height]
> 
> so that if #width or/and #height is 0 no width/height attributes will be
> generated.

What's the rationale here?
If we want some value to use for "unknown" I'd suggest that nil is a better bet.

Avi