Greg, Matthew, Giovanni, Nick, and Memnon:
I did the 'edebug-defun' as Nick suggested and found the problem. An obscure
library that was installed on both of my machines modified outline-regexp
before org was loaded (as Nick had guessed), causing the wacky behavior.

Thank you very much for your help!

Sincerely,
Saketh

On Thu, Apr 30, 2009 at 12:45 AM, Saketh <saketh.bhamidipati@gmail.com>wrote:

> As expected, it says "C-c C-t runs the command org-todo." The command "M-x
> org-todo" also does the same thing. Again, the same thing is:
> * Tasks
> ** TODO This is a test
>
> =>
>
> * Tasks
> * TODO * TODO This is a test
>
> I'm still not able to figure it out, especially since this is
> out-of-the-box behavior. More interestingly, I've tried it on another
> machine (which has Carbon Emacs, org-mode v4.67c), and the same behavior
> occurs.
>
> However, when the TODO items are at the top level (one asterisk), org-todo
> works fine.
>
> On Thu, Apr 30, 2009 at 12:31 AM, Nick Dokos <nicholas.dokos@hp.com>wrote:
>
>> Saketh <saketh.bhamidipati@gmail.com> wrote:
>>
>> > Greg: Okay, I have just done so, but I get the same behavior.
>> >
>> > Matthew: My "customization" is simply the series of commands listed in
>> the
>> > documentation. That is:
>> >
>> > (add-to-list 'load-path "~/elisp/org-6.26d/lisp")
>> > (add-to-list 'auto-mode-alist '("\\.org$" . org-mode))
>> > (require 'org-install)
>> >
>> > Giovanni: Shift + Left Arrow (or Right Arrow) produces the exact same
>> > behavior, for some reason.
>> >
>> > Since I am doing this "from scratch" on Ubuntu Linux, I am surprised
>> that I
>> > am getting such weird behavior with "C-c C-t" and "Shift + Arrows".
>> >
>>
>> What does
>>
>>     C-h c C-c C-t
>>
>> say? Or does it cut it short and give you something after the C-c?
>> Either way, the answer should be interesting.
>>
>> Nick
>>
>>
>