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| | Character Sets: MARC-8 Environment (Library of Congress) |
 | | For instance, the SPACE character, which is expressed in binary notation as 00100000, is expressed in hexadecimal notation as 20, (also written as 20(hex)). |
 | | Graphic character sets may be represented by either 8 bits per character, or, where a larger number of characters needs to be accommodated by the character set, by more than 8 bits codes per character (usually in multiples of 8). |
 | | Escape sequences to designate alternate graphic character sets may occur wherever the alternate characters are needed, e.g., within a word, at the beginning of a subfield, or in the middle of a subfield. |
| www.loc.gov /marc/specifications/speccharmarc8.html (2547 words) |
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