private void append(String text) {
            if (text.startsWith("\n"))
                width = 0; // reset counter if starts with a newline. only from formats above, not in natural text
            if (text.equals(" ") &&
                    (accum.length() == 0 || StringUtil.in(accum.substring(accum.length() - 1), " ", "\n")))
                return; // don't accumulate long runs of empty spaces

            if (text.length() + width > maxWidth) { // won't fit, needs to wrap
                String words[] = text.split("\\s+");
                for (int i = 0; i < words.length; i++) {
                    String word = words[i];
                    boolean last = i == words.length - 1;
                    if (!last) // insert a space if not the last word
                        word = word + " ";
                    if (word.length() + width > maxWidth) { // wrap and reset counter
                        accum.append("\n").append(word);
                        width = word.length();
                    } else {
                        accum.append(word);
                        width += word.length();
                    }
                }
            } else { // fits as is, without need to wrap text
                accum.append(text);
                width += text.length();
            }
        }