Problem:    Syntax highlighting can be slow.
Solution:   Include the NFA regexp engine.  Add the 'regexpengine' option to
            select which one is used. (various authors, including Ken Takata,
            Andrei Aiordachioaie, Russ Cox, Xiaozhou Liua, Ian Young)

Problem:    Can't built with Python 3 and without Python 2.
Solution:   Adjust #ifdef. (Xavier de Gaye)

Problem:    Multi-byte support is only available when compiled with "big"
            features.
Solution:   Include multi-byte by default, with "normal" features.

Problem:    Build fails on Mac OSX. (Greg Novack)
Solution:   Undefine clear().

Problem:    There is ":py3do" but no ":pydo".
Solution:   Add the ":pydo" command. (Lilydjwg)

Problem:    Python garbage collection not working properly.
Solution:   Add support for garbage collection. (ZyX)

Problem:    Python: not so easy to access tab pages.
Solution:   Add window.tabpage, make window.number work with non-current tab
            pages. (ZyX)

Problem:    Setting curbuf without curwin causes trouble.
Solution:   Add switch_buffer() and restore_buffer().  Block autocommands to
            avoid trouble.

Problem:    Python tests are not portable.
Solution:   Use shiftwidth instead of iminsert. (ZyX)

Problem:    Tests 86 and 87 fail when using another language than English.
Solution:   Set the language to C in the test. (Dominique Pelle)

Problem:    Compiler warning for unused variable.
Solution:   Put declaration in #ifdef.

Problem:    Missing error number.
Solution:   Assign an error number.

Problem:    Python: Iteration destructor not set.
Solution:   Put IterDestructor to use. (ZyX)

Problem:    Python does not have a "do" command like Perl or Lua.
Solution:   Add the ":py3do" command. (Lilydjwg)

Problem:    Python vim.bindeval() causes SIGABRT.
Solution:   Make pygilstate a local variable. (Yukihiro Nakadaira)

Problem:    Python: Not enough tests.
Solution:   Add tests for vim.{current,window*,tabpage*}. (ZyX)

Problem:    No check if PyObject_IsTrue fails.
Solution:   Add a check for -1 value. (ZyX)

Problem:    Python: string exceptions are deprecated.
Solution:   Make vim.error an Exception subclass. (ZyX)

Problem:    Python: It's not easy to change window/buffer/tabpage.
Solution:   Add ability to assign to vim.current.{tabpage,buffer,window}.
            (ZyX)

Problem:    Python exceptions have problems.
Solution:   Change some IndexErrors to TypeErrors. Make “line number out of
            range” an IndexError.  Make “unable to get option value” a
            RuntimeError. Make all PyErr_SetString messages start with
            lowercase letter and use _(). (ZyX)

Problem:    Python: Stack trace printer can't handle messages.
Solution:   Make KeyErrors use PyErr_SetObject. (ZyX)

Problem:    Python: no easy access to tabpages.
Solution:   Add vim.tabpages and vim.current.tabpage. (ZyX)

Problem:    Cannot build with Python 2.2
Solution:   Make Python interface work with Python 2.2
            Make 2.2 the first supported version. (ZyX)

Problem:    Python: No iterator for vim.list and vim.bufferlist.
Solution:   Add the iterators. Also fix name of FunctionType. Add tests for
            vim.buffers.  (ZyX)

Problem:    Sometimes get stuck in waiting for cursor position report,
            resulting in keys starting with <Esc>[ not working.
Solution:   Only wait for more characters after <Esc>[ if followed by '?', '>'
            or a digit.

Problem:    Python: List of buffers is not very useful.
Solution:   Make vim.buffers a map. No iterator yet. (ZyX)

Problem:    External program receives the termrespone.
Solution:   Insert a delay and discard input. (Hayaki Saito)

Problem:    Python: Negative indices were failing.
Solution:   Fix negative indices. Add tests. (ZyX)

Problem:    Python: SEGV in Buffer functions.
Solution:   Call CheckBuffer() at the right time. (ZyX)

Problem:    Stuff in if_py_both.h is ordered badly.
Solution:   Reorder by type. (ZyX)

Problem:    Python: Can't get position of window.
Solution:   Add window.row and window.col. (ZyX)

Problem:    Using Py_BuildValue is inefficient sometimes.
Solution:   Use PyLong_FromLong(). (ZyX)

Problem:    Python: not easy to get to window number.
Solution:   Add vim.window.number. (ZyX)

Problem:    More can be shared between Python 2 and 3.
Solution:   Move code to if_py_both.h. (ZyX)

Problem:    Ruby 1.8: Missing piece for static linking on 64 bit systems.
Solution:   Define ruby_init_stack() (Hiroshi Shirosaki)
            Also fix preprocessor indents.

Problem:    Init stack works differently on 64 bit systems.
Solution:   Handle 64 bit systems and also static library. (Yukihiro
            Nakadaira)

Problem:    E381 and E380 make the user think nothing happened.
Solution:   Display the message indicating what error list is now active.
            (Christian Brabandt)

Problem:    Ruby on Mac crashes due to GC failure.
Solution:   Init the stack from main(). (Hiroshi Shirosaki)

Problem:    Compiler warning for uninitialized variable. (Tony Mechelynck)
Solution:   Initialize the variable.