switch {
		case len(line) == 0: // Keep paragraphs
			delPrevChar()
			buffer.WriteString("\n\n")
		case strings.HasPrefix(leading, "TODO"): // Ignore one line TODOs
		case strings.HasPrefix(leading, "+"): // Ignore instructions to the generators
		default:
			if strings.HasPrefix(line, " ") || strings.HasPrefix(line, "\t") {
				delPrevChar()