* lisp/ob-exp.el (org-babel-in-example-or-verbatim): Some valid
execution contexts (e.g., call lines) look like commented lines.
* lisp/ob.el (org-babel-get-src-block-info): Empty match string
doesn't count.
(org-babel-process-params): Always process parameters, even if you
don't to table splitting.
* testing/lisp/test-ob-C.el (ob-C/table): Ignore failures for this C
test.
* testing/lisp/test-ob-fortran.el (ob-fortran/input-var): Ignore
failures for this fortran test.
* testing/org-test.el (org-exe-not-found): An error type used to
signal a missing executable
(org-test-for-executable): A function used by test files to throw an
error if a required executable is not present.
(org-test-load): Simply skip files for which the required
executables are not present.
* testing/lisp/test-ob-R.el: Conditional loading.
* testing/lisp/test-ob-awk.el: Conditional loading.
* testing/lisp/test-ob-fortran.el: Conditional loading.