public void addUniqueStringToPlateComment(Address address, String comment) {

		String plateComment = getPlateComment(address);

		if (plateComment == null) {
			setPlateComment(address, comment);
			return;
		}

		if (!plateComment.contains(comment)) {
			setPlateComment(address, plateComment + "\r\n" + comment);
		}
	}
Method to add the given string to a plate comment unless the string already exists in it. 
@param address the given address
@param comment the comment to add to the plate comment at the given address
Ghidra/Features/Decompiler/ghidra_scripts/classrecovery/ExtendedFlatProgramAPI.java