Also, more importantly, you've got a terminology mismatch in the whole document: symbol tables aren't like hashes, they are hashes.
They are accessed like hashes, but they are not hashes. It could perhaps be said that hashes are not symbol tables but symbol tables can be treated exactly like hashes except they can only store globs and have various sorts of magical behaviour associated. But that's a little confusing and long-winded.
%main:: (AKA %::, which you might want to mention explicitly)
I'll see if I can slip it in there somewhere :)
Thanks for the input!
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