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Re^5: utf8 hash keys revisited: How can i use musical symbols as hash keys?by Jim (Curate) |
on Oct 08, 2014 at 20:17 UTC ( [id://1103218]=note: print w/replies, xml ) | Need Help?? |
The diagrams are correct. Read the third item in the list of Variations in the Wikipedia article titled Helmholtz pitch notation. I chose to use this variation of Helmholtz pitch notation in my example Perl script because it seems more well-suited to computer use and digital typography. One thing that troubled me is that there are no Unicode characters that are low versions of the high prime characters: PRIME U+2032 (′), DOUBLE PRIME U+2033 (″), TRIPLE PRIME U+2034 (‴), etc.
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