void clearMessages() {
		if (infoMsg.length() > 0) {
			infoMsg = new StringBuffer();
		}
		if (errorMsg.length() > 0) {
			errorMsg = new StringBuffer();
		}
	}
Clears all error messages and information messages.
Ghidra/Features/Base/src/main/java/ghidra/program/util/ProgramMerge.java