libxss-dev - 1:1.2.3-1+b2 main

libXss provides an X Window System client interface to the MIT-SCREEN-SAVER
extension to the X protocol.
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The Screen Saver extension allows clients behaving as screen savers to
register themselves with the X server, to better integrate themselves with
the running session.
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This package contains the development headers for the library found in
libxss1. Non-developers likely have little use for this package.
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More information about X.Org can be found at:

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This module can be found at
https://gitlab.freedesktop.org/xorg/lib/libXScrnSaver