* org-e-groff.el (org-e-groff-classes): Added
letter classes.
(org-e-groff-special-tags): New variable to identify special tags.
(org-e-groff--get-tagged-content): New function to retrieve
special tagged content.
(org-e-groff--mt-head): New function to create "memo" type headers.
(org-e-groff--letter-head): New function to create "letter" type headers.
(org-e-groff-template): Handle the "letter" type.
(org-e-groff-headline): handle special tags.
* org-e-groff.el (org-e-groff-item): Removed the `counter' variable from let assignment list.
(org-e-groff-table--align-string): Removed the `attr' and `align' variables from the list assignment list.
* org-e-man.el (org-e-man-item): Removed the `counter' variable from the let assignment list.
(org-e-man-src-block): Removed non needed formatting string that was causing formatting errors for source blocks.
(org-e-man-table--align-string): Removed `attr' and `align' variables from the let assignment list.
- Ability to handle long tables.
- Ability to automatically generate reference lists
- Ability to perform special processing in paragraph
- Ability to disable captions.
- Ability to process special characters.
- Improved table handling.