if (currentStyle.equals(oldStyle)) {
errln("Styles didn't merge");
}
for (int pos=runStart; pos < runLimit; pos++) {
AttributeMap charStyleAtPos = text.characterStyleAt(pos);
if (currentStyle != charStyleAtPos) {
errln("Iterator style is not equal to text style at " + pos + ".");
}
AttributeMap expected = styles[pos];
if (!currentStyle.equals(expected)) {