* lisp/ob.el (org-babel-result-cond): This function should now be used
by all language backends to handle the processing of raw code block
output into scalar results, table results, or ignored results
depending on the value of result-params.
* lisp/ob-C.el (org-babel-C-execute): Use org-babel-result-cond.
* lisp/ob-R.el (org-babel-R-evaluate-external-process): Use
org-babel-result-cond.
(org-babel-R-evaluate-session): Use org-babel-result-cond.
* lisp/ob-awk.el (org-babel-execute:awk): Use org-babel-result-cond.
* lisp/ob-clojure.el (org-babel-execute:clojure): Use
org-babel-result-cond.
* lisp/ob-emacs-lisp.el (org-babel-execute:emacs-lisp): Use
org-babel-result-cond.
* lisp/ob-fortran.el (org-babel-execute:fortran): Use
org-babel-result-cond.
* lisp/ob-io.el (org-babel-io-evaluate): Use org-babel-result-cond.
* lisp/ob-java.el (org-babel-execute:java): Use org-babel-result-cond.
* lisp/ob-lisp.el (org-babel-execute:lisp): Use org-babel-result-cond.
* lisp/ob-maxima.el (org-babel-execute:maxima): Use
org-babel-result-cond.
* lisp/ob-picolisp.el (org-babel-execute:picolisp): Use
org-babel-result-cond.
* lisp/ob-python.el (org-babel-python-evaluate-external-process): Use
org-babel-result-cond.
(org-babel-python-evaluate-session): Use org-babel-result-cond.
* lisp/ob-scala.el (org-babel-scala-evaluate): Use org-babel-result-cond.
* lisp/ob-sh.el (org-babel-sh-evaluate): Use org-babel-result-cond.
* lisp/ob-shen.el (org-babel-execute:shen): Use org-babel-result-cond.
* lisp/ob-sql.el (org-babel-execute:sql): Use org-babel-result-cond.
* lisp/ob-sqlite.el (org-babel-execute:sqlite): Use
org-babel-result-cond.
Also remove blank lines before the ";;; org*el ends here" declarations.
Having a "Version" header forced us to update every file when releasing a
new version of Org; it also forced us to update every file when merging Org
with Emacs trunk, thus cluttering the diffs between the previously merged
version and the new one with useless information.
Glenn Morris suggested this in emacs-devel:
http://lists.gnu.org/archive/html/emacs-devel/2011-08/msg00322.html