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firefox/browser/app/pbproxy/docs/index.rst
Daniel Baumann 5e9a113729
Adding upstream version 140.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-25 09:37:52 +02:00

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======================
Private Browsing Proxy
======================
On Windows, Firefox ships with a small binary that always launches
``firefox.exe`` in Private Browsing mode (``private_browsing.exe``). Its sole
purpose for existing is to allow Private Browsing shortcuts to have their own
Visual Elements. This is most notably seen when pinning a Private Browsing
shortcut to the Start Menu -- Visual Elements are used for the icon there
rather than the shortcut's icon.
In addition to always passing ``-private-window``, ``private_browsing.exe``
will forward any other command line arguments given to it to ``firefox.exe``.
It will also forward shortcut information from the Windows ``STARTUPINFOW``
structure to ensure that Firefox knows how it was started.