[ESS-bugs] comint bug?

[Stephen Eglen]

I just spent nearly an hour to debug this, without much success I"m
afraid.  I'm going to document it as a bug fornow.  It looks like the
internals of comint have changed a bit, so e.g. inferior-ess-make-comint
now looks quite different to make-comint.

I'll follow up separately about other comint thoughts...

Stephen

On Sun, Nov 24 2013, Vitalie Spinu wrote:

> I can reproduce. Have never used transcripts myself, so I am not testing
> this functionality. Is this a new bug?
>
> Backtrace doesn't say much:
>
> Debugger entered--Lisp error: (wrong-type-argument markerp nil)
>   comint-output-filter(#<process R:4> "\nR version 2.15.2 (2012-10-26) -- \"Trick or Treat\"\nCopyright (C) 2012 The R Foundation for Statistical Computing\nISBN 3-900051-07-0\nPlatform: i686-pc-linux-gnu (32-bit)\n\n")
>   inferior-ess-output-filter(#<process R:4> "\nR version 2.15.2 (2012-10-26) -- \"Trick or Treat\"\nCopyright (C) 2012 The R Foundation for Statistical Computing\nISBN 3-900051-07-0\nPlatform: i686-pc-linux-gnu (32-bit)\n\n")
>   accept-process-output(#<process R:4> 0.01)
>   ess-wait-for-process(#<process R:4> nil 0.01)
>   inferior-ess("--no-readline --no-save ")
>   R(nil)
>   call-interactively(R record nil)
>   command-execute(R record)
>   smex-read-and-run(("toggle-debug-on-error" "R" "magit-status" "ess-version" "debug-on-entry" "customize-variable" "narrow-to-page" "dict-lookup-word" "rename-buffer" "julia" "ispell-word" "igrep-find" "visual-line-mode" "whitespace-cleanup" "ess-tracebug" "rename-file" "diff-ediff-patch" "ediff-buffers" "ediff-backup" "auto-save-mode" "gnus" "eval-buffer" "svn-status" "load-theme" "flyspell-prog-mode" "shell" "calendar" "auto-complete-mode" "kill-with-linenum" "customize-face" "font-lock-mode" "customize-group" "version" "eval-region" "flyspell-mode" "ess-eval-chunk" "global-linum-mode" "recover-this-file" "pwd" "load-library" "auto-fill-mode" "count-words" "ess-setCRANMiror" "package-list-packages" "ess-remote" "erase-buffer" "eldoc-mode" "toggle-truncate-lines" "auto-complete" "smartparens-mode" ...))
>   smex()
>   call-interactively(smex nil nil)
>   command-execute(smex)
>
>
>
>   Vitalie
>
>  >>> Stephen Eglen on Sun, 24 Nov 2013 08:06:14 +0000 wrote:
>
>  > I gave a demo of ESS the other day and of course found a bug.
>  > (setq ess-ask-about-transfile t)
>  > M-x R
>
>  > type in a transcript name, e.g. "a.Rt"
>
>  > inferior-ess-output-filter: Wrong type argument: markerp, nil
>
>  > anyone else see this?  
>
>  > Stephen
>
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