updated for version 7.3.1191

Problem:    Backreference to previous line doesn't work. (Lech Lorens)
Solution:   Implement looking in another line.

src/testdir/test64.in

@@ -486,6 +486,12 @@ y$Gop:"
 :.yank
 Gop:"
 :"
+:" Check using a backref matching in a previous line
+/^Backref:
+/\v.*\/(.*)\n.*\/\1$
+:.yank
+Gop:"
+:"
 :" Check a pattern with a look beind crossing a line boundary
 /^Behind:
 /\(<\_[xy]\+\)\@3<=start
@@ -566,6 +572,13 @@ a
 b
 c
 
+Backref:
+./Dir1/Dir2/zyxwvuts.txt
+./Dir1/Dir2/abcdefgh.bat
+
+./Dir1/Dir2/file1.txt
+./OtherDir1/OtherDir2/file1.txt
+
 Behind:
 asdfasd<yyy
 xxstart1

src/testdir/test64.ok

@@ -920,6 +920,8 @@ ghi
 
 c
 
+./Dir1/Dir2/file1.txt
+
 xxstart3
 
 thexE thE thExethe