private void addComment(CommentType commentType, String sourceAddressString, String comment) {
		Address srcAddress = addr(sourceAddressString, sourceProgram);
		int txID = sourceProgram.startTransaction("Add Comment");
		boolean commit = false;
		try {
			Listing listing = sourceProgram.getListing();
			CodeUnit cu = listing.getCodeUnitAt(srcAddress);
			cu.setComment(commentType, comment);
			commit = true;
		}
		finally {
			sourceProgram.endTransaction(txID, commit);
		}
	}
Adds a comment of the indicated type at the specified address.
@param commentType the comment type as defined in the CodeUnit class.
@param sourceAddressString the source address of the markup
@param comment the comment to be added at the source address
Ghidra/Features/VersionTracking/src/test.slow/java/ghidra/feature/vt/api/correlator/address/AddressCorrelationTest.java