No worries. I can wait. Thanks again for your efforts.

On Sat, May 16, 2015 at 9:28 AM, Bjarte Johansen <
bjarte.johansen@infomedia.uib.no> wrote:

>
> On 16 May 2015, at 15:00, Lawrence Bottorff <borgauf@gmail.com> wrote:
>
> I'm just a Prolog beginner, but this:
>
> #+begin_src prolog
> edge(a,b).
> edge(a,e).
> edge(b,d).
> edge(b,c).
> edge(c,a).
> edge(e,b).
> tedge(Node1,Node2) :-
>         edge(Node1,SomeNode),
>         edge(SomeNode,Node2).
> #+end_src
>
> keeps giving me this:
>
> executing Prolog code block...
> executing Prolog source code block
> org-babel-execute:prolog: Wrong type argument: char-or-string-p, ni
>
>
> Thank you for reporting a bug. I think I see what the problem is. You
> haven't defined a goal for the source block and ob-prolog doesn't guard for
> that. It should be easy to fix, but I am not sure if I will be able to do
> that before next week. If you want you can try to fix it yourself and send
> a PR on GitHub or a patch here.
>
> BTW, should it be
>
> (eval-after-load 'org
>   '(require 'ob-prolog))
>
> or
>
> (eval-after-load "org"
>   '(require 'ob-prolog))
>
> . . . org in quotes?
>
>
> I think both should work. I can't check right now as I only have my phone
> with me right now.
>
>
> On Thu, May 14, 2015 at 5:03 PM, Bjarte Johansen <
> bjarte.johansen@infomedia.uib.no> wrote:
>
>>
>> > On 14 May 2015, at 20:22, Puneeth Chaganti <punchagan@gmail.com> wrote:
>> >
>> > On Thu, May 14, 2015 at 11:41 PM, Lawrence Bottorff <borgauf@gmail.com>
>> wrote:
>> >>
>> >> Confused by the requirement:
>> >>
>> >> ;; To activate ob-prolog add the following to your init.el file:
>> >> ;;
>> >> ;;  (eval-after-load 'org
>> >> ;;    '(require 'org-prolog))
>> >
>> >
>> > I'm guessing its a typo and should be ob-prolog. The file provides
>> ob-prolog.
>>
>> Yes, I typed it wrong. Thank you for bringing it to my attention. I also
>> discovered that it is better to use `org-babel-do-load-languages’ instead
>> as well. I will change the recommendation tomorrow.
>>
>> Regards,
>> Bjarte
>
>
>