Problem:    Python threads don't run in the background (issue 103).
Solution:   Move the statements to manipulate thread state.

Problem:    Crash with specific use of search pattern.
Solution:   Initialize reg_buf to curbuf.

Problem:    Error when 'guifontwide' has a comma.
Solution:   Use gui.wide_font. (Taro Muraoka)

Problem:    Crash when mark is not set. (Dominique Pelle)
Solution:   Check for NULL.

Problem:    Windows: IME composition may use a wrong font.
Solution:   Use 'guifontwide' for IME when it is set. (Taro Muraoka)

Problem:    Drawing with 'guifontwide' can be slow.
Solution:   Draw multiple characters at a time. (Taro Muraoka)

Problem:    char2nr() and nr2char() always use 'encoding'.
Solution:   Add argument to use utf-8 characters. (Yasuhiro Matsumoto)

Problem:    Backwards search lands in wrong place when started on a multibyte
            character.
Solution:   Do not set extra_col for a backwards search. (Sung Pae)

Problem:    Compiler error for adding up two pointers. (Titov Anatoly)
Solution:   Add a type cast. (Ken Takata)

Problem:    When building with Gnome locale gets reset.
Solution:   Set locale after gnome_program_init(). (Christian Brabandt)