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Show the tab count for each window by adding a prefix to the window's title. The formatting of the tab count is customizable. Tab count may not be shown on some pages such as the new tab page due to API limitations.

This extension also adds a toolbar button that opens a popup. The popup can be used to name windows and these names can be shown in the title of windows.

This extension allows for some extra customization options when using "userChrome.css" since the title prefix is available as a CSS attribute. You can for example make some CSS code apply only when you have one tab open. The attribute can be accessed with:
#main-window[titlepreface^="[1] "]

Permissions:
"sessions": needed to save window specific data such as window names. This is an optional permission in the latest version.

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5.7 版的發行公告

Feature: don't recount all tabs in a window to determine the current tab count when there is a lot of tabs in that window. The limit can be configured in the options page and recounting can be turned off completely as well.
Bug fix: didn't correctly handle setting resets (data was cleared, but addon needed to be restarted before it read the changed settings).
Performance: improved performance for tab counter.

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