Character Sets - Full-Text Retrieval (FTR) - Help

Full-Text Retrieval (FTR) Help

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The character variant rules file must be in FTICS. To allow convenient editing of this file using a seven-bit ASCII editor, the rules file can contain certain multi-character sequences to allow the representation of all characters in the FTICS.

The rules file is processed in a fashion equivalent to using the test filter, which recognizes a five-character sequence (beginning with \u and ending with the Unicode representation) as a single character in the FTICS. In the previous discussion of substitution rule syntax, each such sequence counts as only one character.