master updated (20f7fa6 -> 6a8935a)

[Stefan Kangas]

skangas pushed a change to branch master.

      from  20f7fa6   Obsolete local set difference functions in favor of 
seq-difference
       new  6686a31   Remove local uniquify functions in favour of seq-uniq
       new  6a8935a   * lisp/pcomplete.el: Remove aliases commented out for 20 
years.


Summary of changes:
 lisp/emacs-lisp/seq.el    |  1 +
 lisp/eshell/em-pred.el    |  2 +-
 lisp/eshell/esh-util.el   | 16 ++--------------
 lisp/nxml/rng-loc.el      |  2 +-
 lisp/nxml/rng-match.el    |  2 +-
 lisp/nxml/rng-nxml.el     |  2 +-
 lisp/nxml/rng-util.el     | 28 ++++++++--------------------
 lisp/pcomplete.el         | 27 +++------------------------
 lisp/progmodes/idlwave.el | 12 +++---------
 lisp/textmodes/artist.el  | 14 ++------------
 10 files changed, 23 insertions(+), 83 deletions(-)