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by Someone 4148 days ago
EBCDIC has lowercase because it is _Extended_. http://en.m.wikipedia.org/wiki/BCD_(6-bit):

"BCD ("Binary-Coded Decimal"), also called alphanumeric BCD, alphameric BCD, BCD Interchange Code, or BCDIC, is a family of representations of numerals, uppercase Latin letters, and some special and control characters as six-bit character codes.

[...]

IBM later created the 8-bit code EBCDIC (Extended Binary-coded Decimal Interchange Code) based on BCD."