what's with that trailing "." for the mode from "ls -l"

[Robert P. J. Day]

  i once knew this, really.  what's the explanation of that recent
introduction of an extra period after the normal mode bits in the
output from "ls -l"?

rday
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Robert P. J. Day                               Waterloo, Ontario, CANADA

            Linux Consulting, Training and Kernel Pedantry.

Web page:                                          http://crashcourse.ca
Twitter:                                       http://twitter.com/rpjday
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