Browser.ctrlTab.previewsCountFrom MozillaZine Knowledge Base
[edit] BackgroundFirefox 3.1 offers previews when switching between tabs, showing page titles and thumbnails of content to the user in a pop-up dialog. This preference determines the number of tabs displayed in the dialog, including the current tab. [edit] Possible values and their effectsThe number of tabs to show as previews when switching between tabs in a window. Default value is 3. [edit] Caveats
[edit] First checked in[edit] Has an effect in
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