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System Marks
Universe has a set of System “Mark” ‘System Mark’ characters which are used to support multi-valued strings. These characters are represented as fixed ASCII values, have special handling when converting to and from NLS Code pages and Unicode, and can be accessed directly using system variables. The table below shows the ASCII and Unicode Hex Values for each System Mark:
System Variable | Description | ASCII Character | Unicode Character |
|---|---|---|---|
@IM | Item Mark | 0xFF | 0xF8FF |
@FM | Field Mark | 0xFE | 0xF8FE |
@VM | Value Mark | 0xFD | 0xF8FD |
@SM | Subvalue Sub-value Mark | 0xFC | 0xF8FC |
@TM | Text Mark | 0xFB | 0xF8FB |
@NULL.STR | Null String | 0x80 | 0xF8F7 |
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