Grammalecte  Diff

        return aTails;
    }

    // morph (sWord) {
    //     is defined in constructor
    // }
    
    * select (sPattern="") {
        // generator: returns all entries which morphology fits <sPattern>
        let zPattern = null;
        if (sPattern !== "") {
            try {
                zPattern = new RegExp(sPattern);
            }
            catch (e) {
                console.log("Error in regex pattern");
                console.log(e.message);
            }
        }
        yield* this._select1(zPattern, 0, "");
    }

    // VERSION 1

    _select1 (zPattern, iAddr, sWord) {
        // recursive generator
        for (let [nVal, jAddr] of self._getArcs1(iAddr)) {
            if (nVal < this.nChar) {
                // simple character
                yield* self._select1(zPattern, jAddr, sWord + self.lArcVal[nVal])
            } else {
                let sEntry = sWord + "\t" + this.funcStemming(sWord, this.lArcVal[nVal]);
                for (let [nMorphVal, _] of this._getArcs1(jAddr)) {
                    if (!zPattern || zPattern.search(this.lArcVal[nMorphVal])) {
                        yield sEntry + "\t" + this.lArcVal[nMorphVal];
                    }
                }
            }
        }
    }            

    _morph1 (sWord) {
        // returns morphologies of sWord
        let iAddr = 0;
        for (let c of sWord) {
            if (!this.dChar.has(c)) {
                return [];
            }