Grammalecte  Diff

                } else {
                    table[i+1][j+1] = 0;
                }
            }
        }
        return longestCommonSubstring;
    },

    distanceDamerauLevenshteinX: function (s1, s2) {
        // distance of Damerau-Levenshtein between <s1> and <s2>
        // https://fr.wikipedia.org/wiki/Distance_de_Damerau-Levenshtein
        try {
            let nLen1 = s1.length;
            let nLen2 = s2.length;
            let matrix = [];
            for (let i = 0;  i <= nLen1+1;  i++) {
                matrix[i] = new Array(nLen2 + 2);
            }
            for (let i = 0;  i <= nLen1+1;  i++) {
                matrix[i][0] = i;
            }
            for (let j = 0;  j <= nLen2+1;  j++) {
                matrix[0][j] = j;
            }
            for (let i = 1;  i <= nLen1;  i++) {
                for (let j = 1;  j <= nLen2;  j++) {
                    //let nCost = (s1[i-1] === s2[j-1]) ? 0 : 1;
                    let nCost = char_player.distanceBetweenChars(s1[i-1], s2[j-1]);
                    matrix[i][j] = Math.min(
                        matrix[i-1][j] + 1,         // Deletion
                        matrix[i][j-1] + 1,         // Insertion
                        matrix[i-1][j-1] + nCost    // Substitution
                    );
                    if (i > 1 && j > 1 && s1[i] == s2[j-1] && s1[i-1] == s2[j]) {
                        matrix[i][j] = Math.min(matrix[i][j], matrix[i-2][j-2] + nCost);  // Transposition
                    }
                }
            }
            return matrix[nLen1][nLen2];
        }
        catch (e) {
            console.error(e);
        }
    },

    distanceDamerauLevenshtein: function (s1, s2) {
        // distance of Damerau-Levenshtein between <s1> and <s2>
        // https://fr.wikipedia.org/wiki/Distance_de_Damerau-Levenshtein
        try {
            let nLen1 = s1.length;
            let nLen2 = s2.length;

        catch (e) {
            console.error(e);
        }
    },

    distanceJaroWinkler: function(a, b, boost = .666) {
        // https://github.com/thsig/jaro-winkler-JS
        if (a == b) { return 1.0; }
        let a_len = a.length;
        let b_len = b.length;
        let a_flag = [];
        let b_flag = [];
        let search_range = Math.floor(Math.max(a_len, b_len) / 2) - 1;
        let minv = Math.min(a_len, b_len);

        lcss += local_cs;
        return Math.round(Math.max(l1, l2) - lcss);
    },

    showDistance: function (s1, s2) {
        console.log(`${s1} ≠ ${s2}`);
        let nDL = this.distanceDamerauLevenshtein(s1, s2);
        let fDLX = this.distanceDamerauLevenshteinX(s1, s2);
        let nS4 = this.distanceSift4(s1, s2);
        let fJW = this.distanceJaroWinkler(s1, s2);
        console.log(`DL: ${nDL} DLX: ${fDLX} — S4: ${nS4} — JW: ${fJW}`);
    },

    // Suffix only
    defineSuffixCode: function (sFlex, sStem) {
        /*
            Returns a string defining how to get stem from flexion
                "n(sfx)"

if (typeof(exports) !== 'undefined') {
    exports.simplifyWord = str_transform.simplifyWord;
    exports.numbersToExponent = str_transform.numbersToExponent;
    exports.spellingNormalization = str_transform.spellingNormalization;
    exports.longestCommonSubstring = str_transform.longestCommonSubstring;
    exports.distanceDamerauLevenshteinX = str_transform.distanceDamerauLevenshteinX;
    exports.distanceDamerauLevenshtein = str_transform.distanceDamerauLevenshtein;
    exports.distanceJaroWinkler = str_transform.distanceJaroWinkler;
    exports.showDistance = str_transform.showDistance;
    exports.changeWordWithSuffixCode = str_transform.changeWordWithSuffixCode;
    exports.changeWordWithAffixCode = str_transform.changeWordWithAffixCode;
    exports.defineAffixCode = str_transform.defineAffixCode;
    exports.defineSuffixCode = str_transform.defineSuffixCode;
}