Grammalecte  Diff

        }
        return false;
    }

    isValid (sWord) {
        // checks if sWord is valid (different casing tested if the first letter is a capital)
        if (!sWord) {
            return null;
        }
        if (sWord.includes("'")) { // ugly hack
            sWord = sWord.replace("'", "’");
        }
        if (this.lookup(sWord)) {
            return true;
        }