diff -ur v2/inc_ut.py v3/inc_ut.py
--- v2/inc_ut.py	2020-09-15 04:10:46.000000000 +0900
+++ v3/inc_ut.py	2020-09-16 04:13:58.000000000 +0900
@@ -55,6 +55,8 @@
 				r = r.replace( k, v )
 		return r
 
+	search_dirs = [ os.path.dirname( __file__ ) ]
+
 	def inc_text(s):
 		(path, opts) = match_path( s )
 		if path == None:
@@ -62,7 +64,7 @@
 
 		path_lst = [ path ]
 		if not path.startswith( '/' ):
-			path_lst.append( os.path.join( os.path.split( __file__ )[ 0 ], path ) )
+			path_lst += list( map( lambda dir_: os.path.join( dir_, path ), search_dirs ) )
 
 		for path in path_lst:
 			if os.path.exists( path ):