2024.04B_SSU_2012

New pre-req for 7B SSU 2012...

Cross-Site Scripting

I've picked up on the work started over at https://github.com/erusev/parsedown/pull/276 and rebased on erusev/master. Since this is rebased on master, I can't point at PR at naNuke/master without running into the merge conflicts that I've already resolved manually. I've implemented what I suggest...

Update to support the new currency symbol for the Russian ruble in Windows

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