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Docs: fixed ICU plugin documentation 

add ICU Normalization CharFilter to docs

Closes #6711
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Jun Ohtani 2014-07-03 22:14:54 +09:00 committed by Clinton Gormley
parent 7fbfbabfd3
commit 0c6a859357
1 changed files with 26 additions and 0 deletions
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docs/reference/analysis/icu-plugin.asciidoc
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@ -218,3 +218,29 @@ Breaks text into words according to UAX #29: Unicode Text Segmentation ((http://
}
--------------------------------------------------
[float]
=== ICU Normalization CharFilter
Normalizes characters as explained http://userguide.icu-project.org/transforms/normalization[here].
It registers itself by default under `icu_normalizer` or `icuNormalizer` using the default settings.
Allows for the name parameter to be provided which can include the following values: `nfc`, `nfkc`, and `nfkc_cf`.
Allows for the mode parameter to be provided which can include the following values: `compose` and `decompose`.
Use `decompose` with `nfc` or `nfkc`, to get `nfd` or `nfkd`, respectively.
Here is a sample settings:
[source,js]
--------------------------------------------------
{
"index" : {
"analysis" : {
"analyzer" : {
"collation" : {
"tokenizer" : "keyword",
"char_filter" : ["icu_normalizer"]
}
}
}
}
}
--------------------------------------------------