Problem:    Clumsy to handle the situation that a variable does not exist.
Solution:   Add default value to getbufvar() et al. (Shougo Matsushita,
            Hirohito Higashi)

Problem:    :mksession confuses bytes, columns and characters when positioning
            the cursor.
Solution:   Use w_virtcol with "|" instead of w_cursor.col with "l".

Problem:    When compiled with the +rightleft feature 'showmatch' also shows a
            match for the opening paren.  When 'revins' is set the screen may
            scroll.
Solution:   Only check the opening paren when the +rightleft feature was
            enabled.  Do not show a match that is not visible. (partly by
            Christian Brabandt)

Problem:    Mappings are not aware of wildmenu mode.
Solution:   Add wildmenumode(). (Christian Brabandt)

Problem:    Python tests fail.
Solution:   Adjust the output for the stack trace.

Problem:    List of features in :version output is hard to read.
Solution:   Make columns. (Nazri Ramliy)

Problem:    With Python errors are not always clear.
Solution:   Print the stack trace, unless :silent is used. (ZyX)

Problem:    Can redefine builtin functions.  (ZyX)
Solution:   Disallow adding a function to g:.

Problem:    Building with Cygwin: '-lsupc++' is not needed.
Solution:   Remove it. (Ken Takata)

Problem:    Crash when accessing freed buffer.
Solution:   Get 'textwidth' in caller of enter_buffer(). (Christian Brabandt)

Problem:    Build with OLE and Cygwin is broken. (Steve Hall)
Solution:   Select static or shared stdc library. (Ken Takta)

Problem:    Build errors and warnings when building with small features and
            Lua, Perl or Ruby.
Solution:   Add #ifdefs and UNUSED.

Problem:    Compiling without +eval and with Python isn't working.
Solution:   Add the eval feature when building with Python.

Problem:    When test 40 fails because of a bad build it may leave files
            behind that cause it to fail later.
Solution:   Let the file names start with "X".

Problem:    Test 89 fails with tiny and small features.
Solution:   Add sourcing small.vim.

Problem:    Can't compute a hash.
Solution:   Add the sha256() function. (Tyru, Hirohito Higashi)

Problem:    Building with Cygwin and Ruby doesn't work.
Solution:   Copy some things from the MingW build file. (Ken Takata)

Problem:    Can't input multibyte characters on Win32 console if 'encoding' is
            different from current codepage.
Solution:   Use convert_input_safe() instead of convert_input().  Make
            string_convert_ext() return an error for incomplete input. (Ken
            Takata)

Problem:    The CompleteDone event is not triggered when there are no pattern
            matches. (Jianjun Mao)
Solution:   Trigger the event. (Christian Brabandt)

Add missing test files.

Problem:    When 'indentexpr' moves the cursor "curswant" not restored.
Solution:   Restore "curswant". (Sung Pae)

Problem:    Useless termresponse parsing for SGR mouse.
Solution:   Skip the parsing. (Hayaki Saito)

Problem:    'relativenumber is reset unexpectedly. (François Ingelrest)
Solution:   After an option was reset also reset the global value. Add a test.
            (Christian Brabandt)

Problem:    The dosinst.c program has a buffer overflow. (Thomas Gwae)
Solution:   Ignore $VIMRUNTIME if it is too long.

Problem:    Python threads still do not work properly.
Solution:   Fix both Python 2 and 3.  Add tests. (Ken Takata)

Problem:    Popup menu does not work properly with the preview window, folds
            and 'cursorcolumn'.
Solution:   Redraw the popup menu after redrawing windows. (Christian
            Brabandt)

Problem:    Compiler warnings in Perl code when building with Visual studio
            2012. (skeept)
Solution:   Add type casts. (Christian Brabandt, 2013 Jan 30)

Problem:    Lua version 5.2 is not detected properly on Arch Linux.
Solution:   Adjust autoconf. (lilydjwg)

Problem:    Compiler warning for tiny build. (Tony Mechelynck)
Solution:   Add #ifdefs around variable.

Problem:    Substitute with confirmation and then "q" does not replace
            anything.  (John McGowan)
Solution:   Do not break the loop, skip to the end.

Problem:    After setting 'isk' to a value ending in a comma appending to the
            option fails.
Solution:   Disallow a trailing comma for 'isk' and similar options.

Problem:    ":window set nu?" displays the cursor line. (Nazri Ramliy)
Solution:   Do not update the cursor line when conceallevel is zero or the
            screen has scrolled. (partly by Christian Brabandt)

Problem:    The " mark is not adjusted when inserting lines. (Roland Eggner)
Solution:   Adjust the line number. (Christian Brabandt)

Problem:    The color column is not correct when entering a buffer. (Ben
            Fritz)
Solution:   Call check_colorcolumn() if 'textwidth' changed. (Christian
            Brabandt)

Problem:    MzScheme: circular list does not work correctly.
Solution:   Separate Mac-specific code from generic code. (Sergey Khorev)

Problem:    Compiler warning for size_t to int conversion. (Skeept)
Solution:   Add type casts.

Problem:    "/[^\n]" does match at a line break.
Solution:   Make it do the same as "/.". (Christian Brabandt)