Friday, April 30, 2004

XUL vs XAML

Mozilla, Gnome mull united front against Longhorn "So far, XUL has failed to catch on, and Microsoft questioned whether Mozilla's technology would do much to help Gnome ward off Longhorn's promised threat.

XAML, Microsoft warned, is more potent than XUL in its ability to reflect exactly what's in the operating system.

"XUL is not the multipurpose declarative language that Gnome probably wants," said Ed Kaim, product manager for the Windows developer platform. "People say that when all you've got is a hammer, everything looks like a nail. In the same way, people are trying to figure out how to crush XUL into an OS it really wasn't designed for. The browser is great for a lot of things, but when it comes to robust client side applications, it's not the best."

Another trick will be in reconciling XUL with Gnome's existing user interface technology.

"There are ways to marry them," said Bruce Perens, an open-source consultant who serves as executive director of the Desktop Linux Consortium, a marketing organization. "But it's very difficult to get the two teams working in the same direction. They both went on a several-year tour of technical creation where they sat down and created everything they needed to do GUI [graphical user interface] applications — and they didn't create the same thing. Now to get them together it would take some number of years to resolve the technical diversions.""

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