[ESS-bugs] ess-mode 5.2.12; R help error

[Stephen Eglen]

 > 
 > typing "?factor" in the *R* buffer results in the error:
 > 
 > Debugger entered--Lisp error: (wrong-type-argument processp nil)
 >   process-mark(nil)
 >   comint-strip-ctrl-m("")
 >   run-hook-with-args(comint-strip-ctrl-m "")
 >   comint-send-input()
 >   inferior-ess-send-input()
 >   call-interactively(inferior-ess-send-input)
 > 
 > for some reason current-buffer in comint-strip-ctrl-m returns
 > *help[R](factor)*
 > 
 > 
 > Emacs  : GNU Emacs 22.0.50.12 (i686-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
 >  of 2006-03-20 on quant8
 > Package: ess-mode 5.2.12

I don't get this error with "?factor" on Emacs 22.0, but I have an
older CVS Emacs:

(emacs-version)
"GNU Emacs 22.0.50.1 (i686-pc-linux-gnu, GTK+ Version 2.2.4)
 of 2006-01-13 on notch.damtp.cam.ac.uk"

I'll see about upgrading sometime and check again if it is an issue.

Stephen