updated for version 7.3.917
Problem:    When a path ends in a backslash appending a comma has the wrong
            effect.
Solution:   Replace a trailing backslash with a slash. (Nazri Ramliy)
diff --git a/src/testdir/test73.in b/src/testdir/test73.in
index 5472247..666e4d2 100644
--- a/src/testdir/test73.in
+++ b/src/testdir/test73.in
@@ -158,6 +158,16 @@
 :" Find the file containing 'E.T.' in the Xfind/in/path directory
 :find file	
 :exec "w >>" . test_out
+:"
+:" Test that completion works when path=.,,
+:"
+:set path=.,,
+:" Open Jimmy Hoffa file
+:e in/file.txt
+:exec "w >>" . test_out
+:" Search for the file containing Holy Grail in same directory as in/path.txt
+:find stu	
+:exec "w >>" . test_out
 :q
 :exec "cd " . cwd
 :call DeleteDirectory("Xfind")