diff -ur v7/inc_ut.py v8/inc_ut.py
--- v7/inc_ut.py	2020-09-26 02:54:32.000000000 +0900
+++ v8/inc_ut.py	2020-10-09 23:21:17.000000000 +0900
@@ -74,6 +74,23 @@
 				return s[ 1 : -1 ]
 	return s
 
+def indent(s, opts):
+	def get_i():
+		k = '-s'
+		for opt in opts:
+			if opt.startswith( k ):
+				r = opt[ len( k ) : ]
+				if not r:
+					return 1
+				elif r.isdigit():
+					return int( r )
+		return 0
+
+	i = get_i()
+	if i > 0:
+		s = '\n'.join( map( lambda s: ' ' * i + s, s.split( '\n' ) ) )
+	return s
+
 def new( lst=[] ):
 	lst += [
 		r'^@([^@\s]+)',
@@ -146,6 +163,7 @@
 		s = cvt_opts( r.s, r.opts )
 		if '-nr' not in r.opts:
 			s = exp( s )
+		s = indent( s, r.opts )
 		paths.pop()
 		return s