Problem:    Calling a function through a funcref, where the function deletes
            the funcref, leads to an invalid memory access.
Solution:   Make a copy of the function name. (Lech Lorens)

Problem:    Invalid memory access when doing thesaurus completion and
            'infercase' is set.
Solution:   Use the minimal length of completed word and replacement.
            (Dominique Pelle)

Problem:    "vim -r" crashes.
Solution:   Don't use NULL pointer argument.

finish, no need for the user to press Enter.

A few minor changes.

Attempt at a fix.

Various runtime file updates.

Problem:    When "\\\n" appears in the expression result the \n doesn't result
            in a line break. (Andy Wokula)
Solution:   Also replace a \n after a backslash into \r.

Better autoconf check for uint32_t.