I have addressed all those issues per your suggestions, but put some comments embedded below.
Again, many thanks for your great help!
Joseph
> 2. Accessing the value of "#+KEYWORDS:" and change of cases in
> "org-special-blocks"
>
> For keywords section in IEEE papers, I used to have the following settings:
>
> #+KEYWORDS: AAA, BBB, CCC
> ...
> #+BEGIN_IEEEkeywords
> {{{KEYWORDS}}}.
> #+END_IEEEkeywords
[...]
> Version 8.2.7c, however, produces the following from the same settings:
>
> \begin{ieeekeywords}
> .
> \end{ieeekeywords}
I'm surprised {{{KEYWORDS}}} even worked as, AFAIK, it wasn't
documented. Indeed, there is no such macro in Org 8.0. However, you
can define your own