Jan Høydahl created SOLR-4452:
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Summary: Hunspell stemmer should not merge duplicate dictionary
entries
Key: SOLR-4452
URL: https://issues.apache.org/jira/browse/SOLR-4452
Project: Solr
Issue Type: Bug
Components: Schema and Analysis
Reporter: Jan Høydahl
Hunspell dictionaries are on the form
{noformat}
lucene/ABC
mahout/X
{noformat}
Each word is listed once with is base form, and the flags after the / define
allowed prefixes and suffixes.
In HunspellDictionary's parsing logic, if the same base word should appear
multiple times in the file, the flags from the duplicate entry are added to the
flags from the existing entry.
However, HunSpellStemFilterFactory allows for a comma-separated list of
dictionary files to be passed in, the idea being that you can have your own
custom extensions and not need to modify the "standard" ones which may change
upstream once in a while. This feature now works only for NEW words, not for
overriding existing entries from the first dictionary.
Would like to change this behavior, so that the last line read overwrites any
previous one. This will both fix the custom dictionary issue and also fix
unintentional wrong original dictionaries, where someone added a word
definition at the end without realizing there was another already.
For the en_UK.dic there are no duplicates. For en_US.dic there is one
duplicate, so I argue this behavior is a bug and not a feature dictionary
authors depend upon.
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