[ESS-bugs] ess-mode 5.2.4; Bad file name completion in emacs on Windows

[Richard M. Heiberger]

>From within both the *R* buffer and the myfile.r buffer, the key-bindings reported by
   C-h b runs the command describe-bindings
are

M-TAB		comint-replace-by-expanded-filename
C-c TAB		ess-complete-object-name

M-TAB is what you are looking for and it correctly gets both
c:/cygwin
and
c:/Documents and Settings

In addition, in the *R* buffer, the
TAB		comint-dynamic-complete
eventually calls ess-complete-object-name