[O] switch parsing in babel

[John Kitchin]

I am trying to make a new source block that looks like this:

#+BEGIN_SRC obabel -icml -osmi
[CH4]
#+END_SRC

This gets parsed to:

(src-block
 (:language "obabel" :switches "-i" :parameters "cml -osmi" :begin 190 :end 240 
:number-lines nil :preserve-indent t :retain-labels t :use-labels t :label-fmt 
nil :hiddenp nil :value "[CH4] \n" :post-blank 1 :post-affiliated 190 :parent 
nil))

Is that correct? I would have thought that 
1. The first switch should be -icml
2. -osmi would also be a switch.

If I go with -i -o, then they are both listed as switches.


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