Ubuntu Mate panel

Richard Kimber richardkimber at politicsresources.net
Thu Dec 28 13:28:58 UTC 2017

I have a small question about Mate panel. On my panel there is an
inactive area where neither left nor right mouse clicking does
anything.  The area is not blank, however, and contains the characters
↕,9,A each in a circle, thus:-


Can anyone tell me what the significance of these characters is? On
one occasion the 'A' and its circle turned red briefly. Presumably they
are indicators of something or other.  I can't seem to delete them, so I
may as well find out what they mean :)

I'm using Ubuntu Mate 16.04.3 LTS
Richard Kimber

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