libxt-dev - 1:1.2.0-1 main

libXt provides the X Toolkit Intrinsics, an abstract widget library upon
which other toolkits are based. Xt is the basis for many toolkits, including
the Athena widgets (Xaw), and LessTif (a Motif implementation).
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This package contains the development headers for the library found in
libxt6. 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
git://anongit.freedesktop.org/git/xorg/lib/libXt