[OE-core] where is "packagegroup-core-qt-demoapps" defined?

[Robert P. J. Day]

  currently writing a tutorial on packagegroups and noticed in
core-image.bbclass:

PACKAGE_GROUP_qt4-pkgs = "packagegroup-core-qt-demoapps"

  is that packagegroup actually defined anywhere? i'm prepared to be
told i'm being an idiot and that it's right under my nose.

rday

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Robert P. J. Day                                 Ottawa, Ontario, CANADA
                        http://crashcourse.ca

Twitter:                                       http://twitter.com/rpjday
LinkedIn:                               http://ca.linkedin.com/in/rpjday
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