Fix DiffLevenshtein counting single runes as multiple edits

sergi · Jan 31, 2018 · dbf098b · dbf098b
1 parent 217d392
commit dbf098b
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/diffmatchpatch/diff.go b/diffmatchpatch/diff.go
@@ -1236,9 +1236,9 @@ func (dmp *DiffMatchPatch) DiffLevenshtein(diffs []Diff) int {
 	for _, aDiff := range diffs {
 		switch aDiff.Type {
 		case DiffInsert:
-			insertions += len(aDiff.Text)
+			insertions += utf8.RuneCountInString(aDiff.Text)
 		case DiffDelete:
-			deletions += len(aDiff.Text)
+			deletions += utf8.RuneCountInString(aDiff.Text)
 		case DiffEqual:
 			// A deletion and an insertion is one substitution.
 			levenshtein += max(insertions, deletions)