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Teach levenshtein() about multi-byte characters.

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Based on a patch by, and further ideas from, Alexander Korotkov.
This commit is contained in:
Robert Haas
2010-08-02 23:20:23 +00:00
parent ad17ff95cf
commit 57d9aefcaa
2 changed files with 120 additions and 20 deletions
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7
doc/src/sgml/fuzzystrmatch.sgml
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@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/fuzzystrmatch.sgml,v 1.6 2010/07/29 19:34:40 petere Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/fuzzystrmatch.sgml,v 1.7 2010/08/02 23:20:23 rhaas Exp $ -->
<sect1 id="fuzzystrmatch">
<title>fuzzystrmatch</title>
@ -14,8 +14,9 @@
<caution>
<para>
At present, <filename>fuzzystrmatch</> does not work well with
multi-byte encodings (such as UTF-8).
At present, the <function>soundex</>, <function>metaphone</>,
<function>dmetaphone</>, and <function>dmetaphone_alt</> functions do
not work well with multi-byte encodings (such as UTF-8).
</para>
</caution>