[Zope] Image.py modifications.

[Mauricio Souza]

  In my Zope 1 and Zope 2, i do a modification on the Image classes. I
created a default property named border with the value 0 and when we
call the __str__ function i put the 'border=0' inside the tag.
  I do that because i want to use the simple <a href><!--#var
image--></a> without getting terrible blue borders around my image.

  What you all think about that change to be implemented in future zope
versions?

-- 
Mauricio Souza Lima <mauricio@hiper.com.br>
Hiperlógica <http://hiper.com.br>          
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