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+jack1 (realtime low-latency sound server)
+
+JACK is a low-latency audio server written primarily for Linux. It can
+connect a number of different applications to an audio device, as well
+as allow them to share audio among themselves. Its clients can run
+in their own processes (ie. as a normal application) or they can run
+within a JACK server instance (i.e. as a "plugin").
+
+Optional dependencies are libffado and celt.
+
+This conflicts with jack. Only install one of "jack" or "jack1".
+
+This is the "mature, stable" JACK1 branch. It's not 100% deprecated,
+but it no longer receives much attention from the upstream JACK
+developers. They recommend not using JACK1 at all, actually.
+
+Note: this build was formerly known as
+jack-audio-connection-kit. Before installing this, "removepkg
+jack-audio-connection-kit" if you had it installed.
+
+SBo build maintainers, please DO NOT list this as a dependency for
+your builds. If the software you're trying to build really does work
+with jack1 but not jack, please contact the jack maintainer (currently
+B. Watson <yalhcru@gmail.com>. Include the build log and any runtime
+error messages in your email, plase.
+
+This package uses POSIX filesystem capabilities to execute with
+elevated privileges (required for realtime audio processing). This
+may be considered a security/stability risk. Please read
+http://www.slackbuilds.org/caps/ for more information. To disable
+capabilities, pass SETCAP=no to the script.