Problem:    The Man plugin doesn't work that well.
Solution:   Use "g:ft_man_open_mode" to be able open man pages in vert split
            or separate tab. Set nomodifiable for buffer with man content. Add
            a test. (Andrey Starodubtsev, closes #873)

Problem:    Win32: Cannot compile with XPM feature using VC2015
Solution:   Add XPM libraries compiled with VC2015, and enable to build
            gvim.exe which supports XPM using VC2015. (Ken Takata)

Problem:    Coverity warns for unreachable code.
Solution:   Remove the code that won't do anything.

Problem:    Background is not drawn properly when 'termguicolors' is set.
Solution:   Check cterm_normal_bg_color. (Jacob Niehus, closes #805)

Problem:    Not all quickfix tests are also done  with the location lists.
Solution:   Test more quickfix code.  Use user commands instead of "exe".
            (Yegappan Lakshmanan)

Problem:    "gd" hangs in some situations. (Eric Biggers)
Solution:   Remove the SEARCH_START flag when looping.  Add a test.

Problem:    Memory access error when reading viminfo. (Dominique Pelle)
Solution:   Correct index in jumplist when at the end.

Problem:    When writing viminfo numbered marks were duplicated.
Solution:   Check for duplicates between current numbered marks and the ones
            read from viminfo.

Problem:    No test for directory stack in quickfix.
Solution:   Add a test. (Yegappan Lakshmanan)

Problem:    Off-by-one error in bounds check. (Coverity)
Solution:   Check register number properly.

Problem:    When using the GUI search/replace a second match right after the
            replacement is skipped.
Solution:   Add the SEARCH_START flag. (Mleddy)

Problem:    New style tests not executed with MinGW compiler.
Solution:   Add new style test support. (Yegappan Lakshmanan)

Problem:    Compiler warning about uninitialzed variable. (Yegappan)
Solution:   Give it a dummy value.

Problem:    When writing viminfo the jumplist is not merged with the one in
            the viminfo file.
Solution:   Merge based on timestamp.

Problem:    Using both old and new style file mark lines from viminfo.
Solution:   Skip the old style lines if the viminfo file was written with a
            Vim version that supports the new style.

Problem:    Can't build without +spell but with +quickfix. (Charles)
Solution:   Add better #ifdef around ml_append_buf(). (closes #864)

Problem:    Inconsistent indenting and weird name.
Solution:   Fix indent, make name all upper case. (Ken Takata)

Problem:    Overwriting pointer argument.
Solution:   Assign to what it points to. (Dominique Pelle)

Problem:    Compiler warning for signed/unsigned.
Solution:   Add type cast.

Problem:    Possible crash with many history items.
Solution:   Avoid the index going past the last item.

Problem:    Viminfo does not merge file marks properly.
Solution:   Use a timestamp.  Add the :clearjumps command.

Problem:    Missing "void" for functions without argument.
Solution:   Add "void". (Hirohito Higashi)

Problem:    Command line editing is not tested much.
Solution:   Add tests for expanding the file name and 'wildmenu'.

Problem:    Ruby 2.4.0 unifies Fixnum and Bignum into Integer.
Solution:   Use rb_cInteger. (Weiong Mao)

Problem:    vim_time() not included when needed.
Solution:   Adjust #ifdef.

Problem:    Missing test changes.
Solution:   Update viminfo test.

Problem:    Register contents is not merged when writing viminfo.
Solution:   Use timestamps for register contents.

Problem:    Not enough testing for parsing viminfo lines.
Solution:   Add test with viminfo lines in bad syntax.  Fix memory leak.

Problem:    History lines read from viminfo in different encoding than when
            writing are not converted.
Solution:   Convert the history lines.

Problem:    No proper test for what 7.4.1906 fixes.
Solution:   Add a test for reading many lines.

Problem:    The effect of the PopupMenu autocommand isn't directly visible.
Solution:   Call gui_update_menus() before displaying the popup menu. (Shane
            Harper, closs #855)

Problem:    Executing autocommands while using the signal stack has a high
            chance of crashing Vim.
Solution:   Don't invoke autocommands when on the signal stack.

Problem:    When ":doautocmd" is used modelines are used even when no
            autocommands were executed. (Daniel Hahler)
Solution:   Skip processing modelines. (closes #854)

Problem:    No test for using setqflist() on an older quickfix list.
Solution:   Add a couple of tests.

Problem:    Recent history lines may be lost when exiting Vim.
Solution:   Merge history using the timestamp.

Problem:    Tests using external command to delete directory.
Solution:   Use delete().

Problem:    Doubled semicolons.
Solution:   Reduce to one. (Dominique Pelle)

Problem:    Netbeans uses uninitialzed pointer and freed memory.
Solution:   Set "buffer" at the right place (hint by Ken Takata)