private static void visitDefault(CharSequence string, int repetitions, JQueryDateTimePatternBuilder builder) {
        for (int i = 0; i < repetitions; ++i) {
            builder.getStringBuilder().append(string);
        }
    }
Month token 'M', 'MM', 'MMM', 'MMMM'.
<ul>
<li>M is a numeric month without leading zeros</li>
<li>MM is a numeric month with leading zeros</li>
<li>MMM is a short month name</li>
<li>MMMM is a long month name</li>
</ul>
More than four 'M' are treated as 'MMMM'.
primefaces/src/main/java/org/primefaces/convert/CombinedDateTimePatternTokenVisitor.java