I see this as well with org-indent-line-to, and org-clock-in.  org-clock-in
calls org-indent-line-to with a negative number, and org-indent-line-to
calls indent-line-to with a negative number, which calls move-to-column
with a negative number.  But move-to-column doesn't allow negative numbers.



On Wed, Jul 24, 2013 at 9:34 AM, Sebastien Vauban
<sva-news@mygooglest.com>wrote:

> Hello,
>
> With a *minimal config file* and
>
>   Org-mode version 8.0.6 (release_8.0.6-357-gf00d75 @
> d:/Users/sva/Public/Repositories/org-mode/lisp/)
>
> there is a Lisp error generated when trying to split a block of code into
> two
> pieces through `C-c C-v C-d' (org-babel-demarcate-block).
>
> ECM:
>
> --8<---------------cut here---------------start------------->8---
> #+begin_src sh
> ls
> ls
> #+end_src
> --8<---------------cut here---------------end--------------->8---
>
> Steps to reproduce:
>
> 1. Put point on the second "ls" line
> 2. Press `C-c C-v C-d'
>
> Backtrace:
>
> --8<---------------cut here---------------start------------->8---
> Debugger entered--Lisp error: (wrong-type-argument wholenump nil)
>   make-string(nil 32)
>   (let ((lang (nth 0 info)) (indent (make-string (nth 5 info) 32))) ...)
>   ...
>   org-babel-demarcate-block(nil)
>   call-interactively(org-babel-demarcate-block nil nil)
> --8<---------------cut here---------------end--------------->8---
>
> FYI, it works in an old Org version (such as 7.9.2+, bundled with GNU Emacs
> 24.2.91.1).
>
> Best regards,
>   Seb
>
> --
> Sebastien Vauban
>
>
>