Opera browser now has its own alternative to Firefox' Firebug
 

Recently, Opera's developers have been touting it as the most compliant browser with Web standards. Now they're using that as leverage to help introduce Dragonfly, a tool they hope will promote Opera as a kind of standards watchdog.
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*Source: BetaNews (http://www.betanews.com/article/Oper...g/1210198447)*

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