It ranges from U+0000 to U+007F, contains 128 characters and includes the C0 controls, ASCII punctuation and symbols, ASCII digits, both the uppercase and lowercase of the English alphabet and a control character.
The Basic Latin block was included in its present form from version 1.0.0 of the Unicode Standard, without addition or alteration of the character repertoire.
[8] This subheading refers to standard punctuation characters, simple mathematical operators, and symbols like the dollar sign, percent, ampersand, underscore, and pipe.
[8] The ASCII Digits subheading contains the standard European number characters 1–9 and 0.
[10] The following Unicode-related documents record the purpose and process of defining specific characters in the Basic Latin block: