vim-patch:7.4.371

Problem:    When 'linebreak' is set control characters are not correctly
displayed. (Kimmy Lindvall)
Solution:   Set n_extra. (Christian Brabandt)
vim-patch:7.4.370

Problem:    Linebreak test fails when encoding is not utf-8. (Danek
Duvall)
Solution:   Split the test in a single byte one and a utf-8 one.
(Christian Brabandt)
vim-patch:7.4.388

Problem:    With 'linebreak' set and 'list' unset a Tab is not counted
            properly. (Kent Sibilev)
Solution:   Check the 'list' option. (Christian Brabandt)
vim-patch: 7.4.352

Problem:    With 'linebreak' a tab causes a missing line break.
Solution:   Count a tab for what it's worth also for shorter lines.
            (Christian Brabandt)