Version r88 will not parse KMZ available in public URL space, but original KML is successful

[GoogleCodeExporter]

What steps will reproduce the problem?
1.         
myParser.parse('http://www.eastafricadreams.com/KMZ/sample_GMaps_slideshow.kmz')
;
2.
3.

What is the expected output? What do you see instead?
Map of small region of Yosemite NP with 3 x placemarks.
Causes error code -1072896760 due to invalid character in line 1: "PK" plus 3 x 
non-displayable characters.

What version of the product are you using? On what operating system?
r88

Please provide any additional information below.
KMZ was produced by right click in Windows Explorer and add to Zip, then 
changing name to KMZ. But the valid KML file was loaded into t Google Earth and 
the file saved - creating the KMZ file & then publishing it to the URL listed 
above.

Original issue reported on code.google.com by [email protected] on 2 Sep 2012 at 5:39