private void addProgramText(StyledDocument doc, int programNumber, Address addr) {
		Program p = (programNumber == 2) ? p2 : p1;
		addText(doc, newLine + indent1);
		addText(doc, "Program" + programNumber + " ");
		addColorProgram(doc, p.getDomainFile().toString());
		addText(doc, " at ");
		addColorAddress(doc, addr);
		addText(doc, " :" + newLine);
	}
Creates a formatted difference string for an individual line difference
between program1 and program2.
Ghidra/Features/Base/src/main/java/ghidra/program/util/ProgramDiffDetails.java