I'm such a slow coder that this is all I got to in my free moments today:patch for defcustoms that inserts the necessary code into a src block.  further refinements necessary before it works properly; severla more would be useful for hte improvements that Bastien suggests.

On Wed, Dec 14, 2016 at 12:55 PM, Matt Price <moptop99@gmail.com> wrote:

On Wed, Dec 14, 2016 at 5:06 AM, Rasmus <rasmus@gmx.us> wrote:

I don’t know if much more support is needed.  We add some automatic
configuration scripting or add a per-block switch for enabling klipse.

Two more little things. HTML blocks can't use the standard editor so they need an extra attribute `data-editor-style="html"`