Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9pre) Gecko/2008032805 Minefield/3.0pre ID:2008032805 When you open View-Source, you can find or quick-find to look for words. When either the quick-find toolbar or the find toolbar is present at the bottom of the screen, this word is highlighted in green. When you press up-arrow or down-arrow, you can scroll the window, while the word stays highlighted. But when the quick-find toolbar automatically disappears (and the highlight changes to the grey one), or you close the normal find toolbar manually, and you press up or down arrow again, then the highlight disappears. This is different from the behavior on a normal webpage (the highlight stays around until you click), and also a regression from Firefox 2.
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