@Override public boolean equals(Object other) {
        if (other instanceof NameTriple) {
            NameTriple otherNT = (NameTriple) other;
            return this.local == otherNT.local && this.prefix == otherNT.prefix && this.uri == otherNT.uri;
        } else {
            return false;
        }
    }
@see java.lang.Object#equals(java.lang.Object)
resources/examples/research-src/nu/validator/svgresearch/NameTriple.java