updated for version 7.3.850
Problem:    ":vimgrep //" matches everywhere.
Solution:   Make it use the previous search pattern. (David Bürgin)
Added tag v7-3-850 for changeset 07fef68eb018
updated for version 7.3.851
Problem:    Using an empty pattern with :sort silently continues when there is
	    no previous search pattern.
Solution:   Give an error message.
Added tag v7-3-851 for changeset dd669f296568
updated for version 7.3.852
Problem:    system() breaks clipboard text. (Yukihiro Nakadaira)
Solution:   Use Xutf8TextPropertyToTextList(). (Christian Brabandt)
	    Also do not put the text in the clip buffer if conversion fails.
Added tag v7-3-852 for changeset 3fd805ca2a6a
updated for version 7.3.853
Problem:    Using "ra" in multiple lines on multi-byte characters leaves a few
	    characters not replaced.
Solution:   Adjust the end column only in the last line. (Yasuhiro Matsumoto)
Added tag v7-3-853 for changeset eea32254940f
updated for version 7.3.854
Problem:    After using backspace in insert mode completion, CTRL-N and CTRL-P
	    do not highlight the right entry. (Olivier Teuliere)
Solution:   Set the current item to the shown item after using backspace.
Added tag v7-3-854 for changeset 14cdb6e4d5b8
updated for version 7.3.855
Problem:    Compiler warnings.
Solution:   Add type casts. (Mike Williams)
Added tag v7-3-855 for changeset 6604853dd822
updated for version 7.3.856
Problem:    When calling system() multi-byte clipboard contents is garbled.
Solution:   Save and restore the clipboard contents.  (Yukihiro Nakadaira)
Added tag v7-3-856 for changeset fb533fb6c015
updated for version 7.3.857
Problem:    The QuitPre autocommand event does not trigger for :qa and :wq.
Solution:   Trigger the event. (Tatsuro Fujii)
Added tag v7-3-857 for changeset 4905e038b105
updated for version 7.3.858
Problem:    "gv" selects the wrong area after some operators.
Solution:   Save and restore the type of selection. (Christian Brabandt)
Added tag v7-3-858 for changeset 0a3fab86f34d
updated for version 7.3.859
Problem:    'ambiwidth' must be set by the user.
Solution:   Detects East Asian ambiguous width (UAX #11) state of the terminal
	    at the start-up time and 'ambiwidth' accordingly.  (Hayaki Saito)
Added tag v7-3-859 for changeset ecf21be84def