@Override
		public Dimension getPreferredSize() {
			// rendering HTML can expand larger than the screen; keep it reasonable
			Dimension size = super.getPreferredSize();
			size.width = 300;
			return size;
		}
scrolled text panel used to display the error message details;
each time an error message is "added", appends the contents to
the internal StringBuffer.
Ghidra/Framework/Docking/src/main/java/docking/ErrLogDialog.java