Hot Linking (remote linking) to another website outside is easy enough to do, but it does have one drawback that must be dealt with; once you have posted the post, the code (script) will break up (scramble) if you attempt to edit (open) it.
To avoid this, I suggest copying the post before you hit the Submit button.
Hint, save a copy on Word or another program for future reference
So the trick is to get it exactly right the first time. If you post and then edit your post it will be messed up and not work.
Here are the exact lines that I used but remove the dashes:
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