diff --git a/xneur/lib/misc/text.c b/xneur/lib/misc/text.c

index f809c9d..2f34f7f 100644

--- a/xneur/lib/misc/text.c

+++ b/xneur/lib/misc/text.c

@@ -280,6 +280,30 @@ void del_final_numeric_char(char *word)

 	word[len - offset] = NULLSYM;

 }

+int levenshtein_dist(const int i, const int j,

+	const char *const s, const char *const t,

+	const int ls, const int lt, int d[ls+1][lt+1])

+{

+	if (d[i][j] >= 0) return d[i][j];

+

+	int x;

+	if (i == ls)

+		x = lt - j;

+	else if (j == lt)

+		x = ls - i;

+	else if (s[i] == t[j])

+		x = levenshtein_dist(i + 1, j + 1, s, t, ls, lt, d);

+	else {

+		x = levenshtein_dist(i + 1, j + 1, s, t, ls, lt, d);

+

+		int y;

+		if ((y = levenshtein_dist(i, j + 1, s, t, ls, lt, d)) < x) x = y;

+		if ((y = levenshtein_dist(i + 1, j, s, t, ls, lt, d)) < x) x = y;

+		x++;

+	}

+	return d[i][j] = x;

+}

+

 int levenshtein(const char *s, const char *t)

 {

 	int ls = strlen(s), lt = strlen(t);

@@ -287,25 +311,5 @@ int levenshtein(const char *s, const char *t)

 	memset(d, -1, sizeof(int) * (ls + 1) * (lt + 1));

-	int dist(int i, int j) {

-		if (d[i][j] >= 0) return d[i][j];

- 

-		int x;

-		if (i == ls)

-			x = lt - j;

-		else if (j == lt)

-			x = ls - i;

-		else if (s[i] == t[j])

-			x = dist(i + 1, j + 1);

-		else {

-			x = dist(i + 1, j + 1);

- 

-			int y;

-			if ((y = dist(i, j + 1)) < x) x = y;

-			if ((y = dist(i + 1, j)) < x) x = y;

-			x++;

-		}

-		return d[i][j] = x;

-	}

-	return dist(0, 0);

+	return levenshtein_dist(0, 0, s, t, ls, lt, d);

 }