if (c < e && c < modLen) {
buf.openSpan();
buf.setStyleName(side.getStyleName());
appendShowBareCR(buf, line.substring(c, modLen), //
modLen == line.length() - 1);
buf.closeSpan();
if (modLen == line.length()) {
trailingEdits.add(index);
}
c = modLen;
}