Some python code. A bit clumsy and no scoping (still not sure how it's done), but it seems to work.

https://gist.github.com/dallaylaen/79ef8d5caa0c36c9f735

In reply to Re^2: Packing unsafe string for later context-based escaping by Dallaylaen
in thread Packing unsafe string for later context-based escaping by Dallaylaen

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