--- In svg-developers@yahoogroups.com, David Dailey <[EMAIL PROTECTED]>
wrote:

> In IE (ASV ) it has been rewritten for me by the browser:
>       <svg onload="startup(evt)" 
> xmlns:xlink="http://www.w3.org/1999/xlink"; 
> xmlns="http://www.w3.org/2000/svg"; preserveAspectRatio="xMidYMid 
> meet" zoomAndPan="magnify">

> perhaps someone here can explain why MS (or is it Adobe?) has chosen 
> to embellish my code in this way.

Adobe SVG viewer 3 implements the SVG 1.0 specification and the DTD
defined there 
  <http://www.w3.org/TR/SVG10/svgdtd.html#DefinitionsStruct>
defines the zoomAndPan attribute as follows:
  zoomAndPan (disable | magnify) 'magnify'
which means the value is of type enumeration with possible values
disable or magnify with a default value of magnify.
So what you see is the default value. The same for the
preserveAspectRatio attribute which has a default value of xMidYMid
meet. It seems the serializer in Adobe SVG viewer adds attributes with
default values even if you don't have a DTD included in your SVG document.








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