Problem:    Typos in source files.
Solution:   Fix the typos. (Ken Takata)

Problem:    On some systems case of file names is always ignored, on others
            never.
Solution:   Add the 'fileignorecase' option to control this at runtime.
            Implies 'wildignorecase'.

Problem:    Matchparen does not update match when using auto-indenting.
            (Marc Aldorasi)
Solution:   Add the TextChanged and TextChangedI autocommand events.

(Benjamin Fritz)

Includes progress bar.
Fix dynamic folding in diff view.
(Benjamin Fritz)

side-by-side.  (Christian Brabandt)

Problem:    .xz files are not supported.
Solution:   Recognize .xz files so that they can be edited.