updated for version 7.4.313
Problem:    Changing the return value of getpos() causes an error. (Jie Zhu)
Solution:   Revert getpos() and add getcurpos().
Added tag v7-4-313 for changeset 332a5c2b2956
updated for version 7.4.314
Problem:    Completion messages can get in the way of a plugin.
Solution:   Add 'c' flag to 'shortmess' option. (Shougo Matsu)
Added tag v7-4-314 for changeset 4d7af1962d6c