Problem:    Cannot properly test conceal mode.
Solution:   Add the screencol() and screenrow() functions.  Use them in
            test88. (Simon Ruderich)

Problem:    printf() can only align to bytes, not characters.
Solution:   Add the "S" item. (Christian Brabandt)

Problem:    Now that 'shiftwidth' may use the value of 'tabstop' it is not so
            easy to use in indent files.
Solution:   Add the shiftwidth() function. (so8res)

Problem:    Cannot get file name with newline from glob().
Solution:   Add argument to glob() and expand() to indicate they must return a
            list. (Christian Brabandt)

Problem:    Small mistakes in comments, proto and indent.
Solution:   Fix the mistakes.

Also update runtime files

Problem:    No support for bitwise AND, OR, XOR and invert.
Solution:   Add add(), or(), invert() and xor() functions.

Add missing test82 files.

Problem:    Can't pass dict to sort function.
Solution:   Add the optional {dict} argument to sort(). (ZyX)

Problem:    Can't intercept a character that is going to be inserted.
Solution:   Add the InsertCharPre autocommand event. (Jakson A. Aquino)

Problem:    v:windowid isn't set on MS-Windows.
Solution:   Set it to the window handle. (Chris Sutcliffe)

Problem:    maparg() doesn't return the flags, such as <buffer>, <script>,
            <silent>.  These are needed to save and restore a mapping.
Solution:   Improve maparg(). (also by Christian Brabandt)

Problem:    Can't pass the X window ID to another application.
Solution:   Add v:windowid. (Christian J. Robinson, Lech Lorens)