updated for version 7.3.143
Problem:    Memfile is not tested sufficiently.  Looking up blocks in a
            memfile is slow when there are many blocks.
Solution:   Add high level test and unittest.  Adjust the number of hash
            buckets to the number of blocks.  (Ivan Krasilnikov)
diff --git a/src/testdir/Make_amiga.mak b/src/testdir/Make_amiga.mak
index c4a6c7f..4ca0594 100644
--- a/src/testdir/Make_amiga.mak
+++ b/src/testdir/Make_amiga.mak
@@ -28,7 +28,7 @@
 		test61.out test62.out test63.out test64.out test65.out \
 		test66.out test67.out test68.out test69.out test70.out \
 		test71.out test72.out test73.out test74.out test75.out \
-		test76.out
+		test76.out test77.out
 
 .SUFFIXES: .in .out
 
@@ -124,3 +124,4 @@
 test74.out: test74.in
 test75.out: test75.in
 test76.out: test76.in
+test77.out: test77.in
diff --git a/src/testdir/Make_dos.mak b/src/testdir/Make_dos.mak
index 3395c52..5cb220f 100644
--- a/src/testdir/Make_dos.mak
+++ b/src/testdir/Make_dos.mak
@@ -28,7 +28,7 @@
 		test37.out test38.out test39.out test40.out test41.out \
 		test42.out test52.out test65.out test66.out test67.out \
 		test68.out test69.out test71.out test72.out test73.out \
-		test74.out test75.out test76.out
+		test74.out test75.out test76.out test77.out
 
 SCRIPTS32 =	test50.out test70.out
 
diff --git a/src/testdir/Make_ming.mak b/src/testdir/Make_ming.mak
index 1d89dff..e2847d9 100644
--- a/src/testdir/Make_ming.mak
+++ b/src/testdir/Make_ming.mak
@@ -48,7 +48,7 @@
 		test37.out test38.out test39.out test40.out test41.out \
 		test42.out test52.out test65.out test66.out test67.out \
 		test68.out test69.out test71.out test72.out test73.out \
-		test74.out test75.out test76.out
+		test74.out test75.out test76.out test77.out
 
 SCRIPTS32 =	test50.out test70.out
 
diff --git a/src/testdir/Make_os2.mak b/src/testdir/Make_os2.mak
index 361e693..9bfd3b5 100644
--- a/src/testdir/Make_os2.mak
+++ b/src/testdir/Make_os2.mak
@@ -28,7 +28,7 @@
 		test61.out test62.out test63.out test64.out test65.out \
 		test66.out test67.out test68.out test69.out test70.out \
 		test71.out test72.out test73.out test74.out test75.out \
-		test76.out
+		test76.out test77.out
 
 .SUFFIXES: .in .out
 
diff --git a/src/testdir/Makefile b/src/testdir/Makefile
index 833a82a..b840a21 100644
--- a/src/testdir/Makefile
+++ b/src/testdir/Makefile
@@ -25,7 +25,7 @@
 		test59.out test60.out test61.out test62.out test63.out \
 		test64.out test65.out test66.out test67.out test68.out \
 		test69.out test70.out test71.out test72.out test73.out \
-		test74.out test75.out test76.out
+		test74.out test75.out test76.out test77.out
 
 SCRIPTS_GUI = test16.out
 
@@ -71,7 +71,7 @@
 		  fi \
 		else echo $* NO OUTPUT >>test.log; \
 		fi"
-	-rm -rf X* test.ok viminfo
+#	-rm -rf X* test.ok viminfo
 
 test49.out: test49.vim