src/main/java/com/basistech/tclre/Locale.java
static UnicodeSet eclass(char c, boolean cases) {

    /* otherwise, none */
        if (cases) {
            return allcases(c);
        } else {
            UnicodeSet set = new UnicodeSet();
            set.add(c);
            return set;
        }
    }
static UnicodeSet eclass(char c, boolean cases) {

    /* otherwise, none */
        if (cases) {
            return allcases(c);
        } else {
            UnicodeSet set = new UnicodeSet();
            set.add(c);
            return set;
        }
    }
eclass - Because we have no MCCE support, this
just processing single characters.