updated for version 7.4.308
Problem:    When using ":diffsplit" on an empty file the cursor is displayed
	    on the command line.
Solution:   Limit the value of w_topfill.
Added tag v7-4-308 for changeset e3d2b8d83bb3
updated for version 7.4.309
Problem:    When increasing the size of the lower window, the upper window
	    jumps back to the top. (Ron Aaron)
Solution:   Change setting the topline. (Nobuhiro Takasaki)
Added tag v7-4-309 for changeset 88a6e9f33822
updated for version 7.4.310
Problem:    getpos()/setpos() don't include curswant.
Solution:   Add a fifth number when getting/setting the cursor.
Added tag v7-4-310 for changeset ccac0aa34eea
updated for version 7.4.311
Problem:    Can't use winrestview to only restore part of the view.
Solution:   Handle missing items in the dict. (Christian Brabandt)
Added tag v7-4-311 for changeset f6f754304324
updated for version 7.4.312
Problem:    Cannot figure out what argument list is being used for a window.
Solution:   Add the arglistid() function. (Marcin Szamotulski)
Added tag v7-4-312 for changeset 66eead134d68
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
updated for version 7.4.315
Problem:    Fixes for computation of topline not tested.
Solution:   Add test. (Hirohito Higashi)
Added tag v7-4-315 for changeset 646616b6ff4d
updated for version 7.4.316
Problem:    Warning from 64-bit compiler.
Solution:   Add type cast. (Mike Williams)
Added tag v7-4-316 for changeset 0fc665889e8f