updated for version 7.3.1191
Problem:    Backreference to previous line doesn't work. (Lech Lorens)
Solution:   Implement looking in another line.
diff --git a/src/testdir/test64.in b/src/testdir/test64.in
index 51cdb31..fe61ed3 100644
--- a/src/testdir/test64.in
+++ b/src/testdir/test64.in
@@ -486,6 +486,12 @@
 :.yank
 Gop:"
 :"
+:" Check using a backref matching in a previous line
+/^Backref:
+/\v.*\/(.*)\n.*\/\1$
+:.yank
+Gop:"
+:"
 :" Check a pattern with a look beind crossing a line boundary
 /^Behind:
 /\(<\_[xy]\+\)\@3<=start
@@ -566,6 +572,13 @@
 b
 c
 
+Backref:
+./Dir1/Dir2/zyxwvuts.txt
+./Dir1/Dir2/abcdefgh.bat
+
+./Dir1/Dir2/file1.txt
+./OtherDir1/OtherDir2/file1.txt
+
 Behind:
 asdfasd<yyy
 xxstart1