In levenshtein_internal(), describe algorithm a bit more clearly.
Branch
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master
Details
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http://git.postgresql.org/gitweb?p=postgresql.git;a=commitdiff;h=12679b8bc908f941710bed185aa142ad5de539c6
Modified Files
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contrib/fuzzystrmatch/fuzzystrmatch.c | 24 +++++++++++++++++-------
1 files changed, 17 insertions(+), 7 deletions(-)