Problem:    The cursor position is set to the last position in a new commit
            message.
Solution:   Don't set the position if the filetype matches "commit".
            (Christian Brabandt)

Problem:    Setting nocompatible for the tiny version moves the cursor.
Solution:   Use another trick to skip commands when the +eval feature is
            present. (Christian Brabandt, closes #1630)

Problem:    Defaults.vim does not work well with tiny features. (crd477)
Solution:   When the +eval feature is not available always reset 'compatible'.

Problem:    Resetting 'compatible' in defaults.vim has unexpected side
            effects. (David Fishburn)
Solution:   Only reset 'compatible' if it was set.

Problem:    No way for a system wide vimrc to stop loading defaults.vim.
            (Christian Hesse)
Solution:   Bail out of defaults.vim if skip_defaults_vim was set.

Problem:    New users have no idea of the 'scrolloff' option.
Solution:   Set 'scrolloff' in defaults.vim.

Problem:    The 'langnoremap' option leads to double negatives.  And it does
            not work for the last character of a mapping.
Solution:   Add 'langremap' with the opposite value.  Keep 'langnoremap' for
            backwards compatibility.  Make it work for the last character of a
            mapping.  Make the test work.

Problem:    The default ttimeoutlen is very long.
Solution:   Use "100". (Hirohito Higashi)

Problem:    Loading defaults.vim with -C argument.
Solution:   Don't load the defaults script with -C argument.  Test sourcing
            the defaults script.  Set 'display' to "truncate".