private void mergeFragments(ProgramFragment sourceFragment, ProgramFragment destFragment)
			throws NotFoundException, NotEmptyException {

		moveRanges(destFragment, sourceFragment);
		if (sourceFragment.isEmpty()) {
			removeEmptyFragment(sourceFragment);
		}
	}
Merge two fragments.
@param sourceFragment source fragments
@param destFragment destination
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/programtree/ProgramDnDTree.java