Control Pictures is a Unicode block containing characters for graphically representing the C0 control codes, and other control characters. Its block name in Unicode 1.0 was Pictures for Control Codes.
Code points U+0000 NULL to U+0020 SPACE can be mapped onto their corresponding control picture by incrementing the code point by 0x2400. For example, the corresponding control picture for U+000A LINE FEED is 0x000A + 0x2400 = 0x240A (␊).
Block
History The following Unicode-related documents record the purpose and process of defining specific characters in the Control Pictures block:
Version Count L2 ID WG2 ID Document 1.0.0 U+2400..2424 37 (to be determined) 3.0 U+2425 1 N1138 N1203 doc) N1564 N1603 N1682 N1898 N1897 html, doc) U+2426 1 N1045 N1203 N1681 N1875 N1894 html, doc) 16.0 U+2427..2429 3 no_attach, sources, mappings_zip) no_attach)
See also ISO 2047
References