Problem:    copy_chars() and copy_spaces() are inefficient.
Solution:   Use memset() instead. (Dominique Pelle)

Problem:    Can't compile without the syntax highlighting feature.
Solution:   Add #ifdef around use of w_p_cul. (Hirohito Higashi)

Problem:    Occasional crash with 'list' set.
Solution:   Fix off-by-one error. (Christian Brabandt)

Problem:    0x202f is not recognized as a non-breaking space character.
Solution:   Add 0x202f to the list. (Christian Brabandt)

Problem:    When 'list' is set Visual mode does not highlight anything in
            empty lines. (mgaleski)
Solution:   Check the value of lcs_eol in another place. (Christian Brabandt)

Problem:    Overflow when adding MAXCOL to a pointer.
Solution:   Subtract pointers instead. (James McCoy)

Problem:    It is not possible to make spaces visibible in list mode.
Solution:   Add the "space" item to 'listchars'. (David Bürgin, issue 350)

Problem:    The search highlighting and match highlighting replaces the
            cursorline highlighting, this doesn't look good.
Solution:   Combine the highlighting. (Yasuhiro Matsumoto)

Problem:    Warning for shadowing a variable.
Solution:   Rename off to mb_off. (Kazunobu Kuriyama)

Problem:    When netbeans is active the sign column always shows up.
Solution:   Only show the sign column once a sign has been added. (Xavier de
            Gaye)