Opera 9.0 Beta 8303

- Tabbed browsing preferences have been moved to Preferences - Advanced - Tabs
- Fix for Shift+Click text selection
- Removed support for SGML comments in HTML. Comment parsing is now based on the Web Applications 1.0 draft
- Fix to allow object tags with an empty data attribute to load plug-ins
- Fix for loading PDF documents in a plug-in via the POST method
- Implemented stepUp and stepDown for Web Forms 2.0 date inputs
- Added support for Audio, as described in the Web Applications 1.0 draft
- Images held only in memory using the Image() constructor now report the correct dimensions
- Added support for controlling plug-ins with site specific preferences
- Clicking a label for a checkbox now fires events for the associated input
- Formchange event is now fired when contents of the form are changed
- Several designMode improvements, including handling of queryCommandEnabled and queryCommandState, and converting multiple paragraphs into list items
- Added support for dynamically generated script tags in SVG
- Allowed animating of flood-color in SVG using animateColor
- Fix for mouse events in widgets