[O] [BUG] hline handling in ob-ruby

[Rick Frankel]

Eric-

There is a bug in ob-ruby --- if an literal 'hline is passed into
(e.g., :hline no) a ruby block, the execution fails due to an
incorrect datatype (this is not an issue in any other language). The
patch provided in
http://lists.gnu.org/archive/html/emacs-orgmode/2013-08/msg00316.html
(and reattached here), applies the solution used in ox-python to
handle the issue. An alternative solution is ok too :).

I would be glad to apply the patch myself, but since you are the owner
of the file i would appreciate you ok before proceeding.

tia,
rick

0001-Handle-literal-hline-arguments-passed-to-ruby.patch
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