updated for version 7.4b.008
Problem:    'autochdir' causes setbufvar() to change the current directory.
	    (Ben Fritz)
Solution:   When disabling autocommands also reset 'acd' temporarily.
	    (Christian Brabandt)
Added tag v7-4b-008 for changeset 3059c799fcd9
updated for version 7.4b.009
Problem:    When setting the Visual area manually and 'selection' is
	    exclusive, a yank includes one character too much. (Ingo Karkat)
Solution:   Default the Visual operation to "v". (Christian Brabandt)
Added tag v7-4b-009 for changeset cd971e951b06