updated for version 7.3.784
Problem:    Error when 'guifontwide' has a comma.
Solution:   Use gui.wide_font. (Taro Muraoka)
Added tag v7-3-784 for changeset fbadf0f69877
updated for version 7.3.785
Problem:    Crash with specific use of search pattern.
Solution:   Initialize reg_buf to curbuf.
Added tag v7-3-785 for changeset be4baed0c933