Vim 8.1 release

Update version number and information.  Fix a couple of tests.
diff --git a/READMEdir/Contents b/READMEdir/Contents
index 76bd909..822eb2c 100644
--- a/READMEdir/Contents
+++ b/READMEdir/Contents
@@ -9,10 +9,10 @@
 		messages, shows current file name in window title, on-line
 		help, rectangular cut/paste, etc., etc., etc...
 
-		Version 8.0.  Also runs under UNIX, MS-Windows, Mac, etc.
-		vim80rt.tgz  contains the documentation and syntax files.
-		vim80bin.tgz contains the binaries.
-		vim80src.tgz contains the sources.
+		Version 8.1.  Also runs under UNIX, MS-Windows, Mac, etc.
+		vim81rt.tgz  contains the documentation and syntax files.
+		vim81bin.tgz contains the binaries.
+		vim81src.tgz contains the sources.
 		Author: Bram Moolenaar et al.
 
 
diff --git a/READMEdir/README_ami.txt b/READMEdir/README_ami.txt
index 1ba595e..fc9a30d 100644
--- a/READMEdir/README_ami.txt
+++ b/READMEdir/README_ami.txt
@@ -1,4 +1,4 @@
-README_ami.txt for version 8.0 of Vim: Vi IMproved.
+README_ami.txt for version 8.1 of Vim: Vi IMproved.
 
 This file explains the installation of Vim on Amiga systems.
 See README.txt for general information about Vim.
@@ -16,8 +16,8 @@
 You would then unpack the archives like this:
 
   cd dh0:editors
-  tar xf t:vim80bin.tar
-  tar xf t:vim80rt.tar
+  tar xf t:vim81bin.tar
+  tar xf t:vim81rt.tar
 
 Set the $VIM environment variable to point to the top directory of your Vim
 files.  For the above example:
diff --git a/READMEdir/README_amibin.txt b/READMEdir/README_amibin.txt
index 2e323f3..5b9b02f 100644
--- a/READMEdir/README_amibin.txt
+++ b/READMEdir/README_amibin.txt
@@ -1,8 +1,8 @@
-README_amibin.txt for version 8.0 of Vim: Vi IMproved.
+README_amibin.txt for version 8.1 of Vim: Vi IMproved.
 
 See "README.txt" for general information about Vim.
 See "README_ami.txt" for installation instructions for the Amiga.
-These files are in the runtime archive (vim80rt.tgz).
+These files are in the runtime archive (vim81rt.tgz).
 
 
 The Amiga "bin" archive contains the Vim executable for the Amiga.  It was
diff --git a/READMEdir/README_amisrc.txt b/READMEdir/README_amisrc.txt
index c0d6ed2..966bd34 100644
--- a/READMEdir/README_amisrc.txt
+++ b/READMEdir/README_amisrc.txt
@@ -1,8 +1,8 @@
-README_amisrc.txt for version 8.0 of Vim: Vi IMproved.
+README_amisrc.txt for version 8.1 of Vim: Vi IMproved.
 
 See "README.txt" for general information about Vim.
 See "README_ami.txt" for installation instructions for the Amiga.
-These files are in the runtime archive (vim80rt.tgz).
+These files are in the runtime archive (vim81rt.tgz).
 
 
 The Amiga source archive contains the files needed to compile Vim on the
diff --git a/READMEdir/README_bindos.txt b/READMEdir/README_bindos.txt
index c52fea0..7d10a6f 100644
--- a/READMEdir/README_bindos.txt
+++ b/READMEdir/README_bindos.txt
@@ -1,16 +1,16 @@
-README_bindos.txt for version 8.0 of Vim: Vi IMproved.
+README_bindos.txt for version 8.1 of Vim: Vi IMproved.
 
 See "README.txt" for general information about Vim.
 See "README_dos.txt" for installation instructions for MS-DOS and MS-Windows.
-These files are in the runtime archive (vim80rt.zip).
+These files are in the runtime archive (vim81rt.zip).
 
 
 There are several binary distributions of Vim for the PC.  You would normally
 pick only one of them, but it's also possible to install several.
 These ones are available (the version number may differ):
-	vim80w32.zip	Windows 95/98/NT/etc. console version
-	gvim80.zip	Windows 95/98/NT/etc. GUI version
-	gvim80ole.zip	Windows 95/98/NT/etc. GUI version with OLE
+	vim81w32.zip	Windows 95/98/NT/etc. console version
+	gvim81.zip	Windows 95/98/NT/etc. GUI version
+	gvim81ole.zip	Windows 95/98/NT/etc. GUI version with OLE
 
-You MUST also get the runtime archive (vim80rt.zip).
-The sources are also available (vim80src.zip).
+You MUST also get the runtime archive (vim81rt.zip).
+The sources are also available (vim81src.zip).
diff --git a/READMEdir/README_dos.txt b/READMEdir/README_dos.txt
index c8f49ac..ac6f090 100644
--- a/READMEdir/README_dos.txt
+++ b/READMEdir/README_dos.txt
@@ -1,4 +1,4 @@
-README_dos.txt for version 8.0 of Vim: Vi IMproved.
+README_dos.txt for version 8.1 of Vim: Vi IMproved.
 
 This file explains the installation of Vim on MS-DOS and MS-Windows systems.
 See "README.txt" for general information about Vim.
@@ -41,19 +41,19 @@
    located.  Check the $VIM setting to see where it points to:
 	set VIM
    For example, if you have
-	C:\vim\vim80
+	C:\vim\vim81
    do
 	cd C:\
    Binary and runtime Vim archives are normally unpacked in the same location,
    on top of each other.
 
-2. Unpack the zip archives.  This will create a new directory "vim\vim80",
+2. Unpack the zip archives.  This will create a new directory "vim\vim81",
    in which all the distributed Vim files are placed.  Since the directory
    name includes the version number, it is unlikely that you overwrite
    existing files.
    Examples:
-	pkunzip -d gvim80.zip
-	unzip vim80w32.zip
+	pkunzip -d gvim81.zip
+	unzip vim81w32.zip
 
    You need to unpack the runtime archive and at least one of the binary
    archives.  When using more than one binary version, be careful not to
@@ -69,7 +69,7 @@
    archive and follow the instructions in the documentation.
 
 3. Change to the new directory:
-	cd vim\vim80
+	cd vim\vim81
    Run the "install.exe" program.  It will ask you a number of questions about
    how you would like to have your Vim setup.  Among these are:
    - You can tell it to write a "_vimrc" file with your preferences in the
@@ -80,8 +80,8 @@
      console or in a shell.  You can select one of the directories in your
      $PATH.  If you skip this, you can add Vim to the search path manually:
      The simplest is to add a line to your autoexec.bat.  Examples:
-	set path=%path%;C:\vim\vim80
-	set path=%path%;D:\editors\vim\vim80
+	set path=%path%;C:\vim\vim81
+	set path=%path%;D:\editors\vim\vim81
    - Create entries for Vim on the desktop and in the Start menu.
 
 That's it!
@@ -93,8 +93,8 @@
   won't show a menubar.  Then you need to set the $VIM environment variable to
   point to the top directory of your Vim files.  Example:
     set VIM=C:\editors\vim
-  Vim version 8.0 will look for your vimrc file in $VIM, and for the runtime
-  files in $VIM/vim80.  See ":help $VIM" for more information.
+  Vim version 8.1 will look for your vimrc file in $VIM, and for the runtime
+  files in $VIM/vim81.  See ":help $VIM" for more information.
 
 - To avoid confusion between distributed files of different versions and your
   own modified vim scripts, it is recommended to use this directory layout:
@@ -105,14 +105,14 @@
 	C:\vim\vimfiles\ftplugin\*.vim	Filetype plugins
 	C:\vim\...			Other files you made.
   Distributed files:
-	C:\vim\vim80\vim.exe		The Vim version 8.0 executable.
-	C:\vim\vim80\doc\*.txt		The version 8.0 documentation files.
-	C:\vim\vim80\bugreport.vim	A Vim version 8.0 script.
-	C:\vim\vim80\...		Other version 8.0 distributed files.
+	C:\vim\vim81\vim.exe		The Vim version 8.1 executable.
+	C:\vim\vim81\doc\*.txt		The version 8.1 documentation files.
+	C:\vim\vim81\bugreport.vim	A Vim version 8.1 script.
+	C:\vim\vim81\...		Other version 8.1 distributed files.
   In this case the $VIM environment variable would be set like this:
 	set VIM=C:\vim
-  Then $VIMRUNTIME will automatically be set to "$VIM\vim80".  Don't add
-  "vim80" to $VIM, that won't work.
+  Then $VIMRUNTIME will automatically be set to "$VIM\vim81".  Don't add
+  "vim81" to $VIM, that won't work.
 
 - You can put your Vim executable anywhere else.  If the executable is not
   with the other Vim files, you should set $VIM. The simplest is to add a line
@@ -136,8 +136,8 @@
      Select Properties.
   5. In the Program tab, change the "Cmdline" to add "/c" and the name of the
      Vim executable.  Examples:
-	C:\command.com /c C:\vim\vim80\vim.exe
-	C:\command.com /c D:\editors\vim\vim80\vim.exe
+	C:\command.com /c C:\vim\vim81\vim.exe
+	C:\command.com /c D:\editors\vim\vim81\vim.exe
   6. Select the font, window size, etc. that you like.  If this isn't
      possible, select "Advanced" in the Program tab, and deselect "MS-DOS
      mode".
diff --git a/READMEdir/README_extra.txt b/READMEdir/README_extra.txt
index c42043e..ce629b2 100644
--- a/READMEdir/README_extra.txt
+++ b/READMEdir/README_extra.txt
@@ -1,4 +1,4 @@
-README_extra.txt for version 8.0 of Vim: Vi IMproved.
+README_extra.txt for version 8.1 of Vim: Vi IMproved.
 
 These extra files of Vim are for special purposes.  This README explains what
 the files are for.  For general information about Vim, see the "README.txt"
diff --git a/READMEdir/README_mac.txt b/READMEdir/README_mac.txt
index cdef1a2..d76a11a 100644
--- a/READMEdir/README_mac.txt
+++ b/READMEdir/README_mac.txt
@@ -1,4 +1,4 @@
-README_mac.txt for version 8.0 of Vim: Vi IMproved.
+README_mac.txt for version 8.1 of Vim: Vi IMproved.
 
 This file explains the installation of Vim on Macintosh systems.
 See "README.txt" for general information about Vim.
diff --git a/READMEdir/README_ole.txt b/READMEdir/README_ole.txt
index fb1fb01..4c7e645 100644
--- a/READMEdir/README_ole.txt
+++ b/READMEdir/README_ole.txt
@@ -1,4 +1,4 @@
-README_ole.txt for version 8.0 of Vim: Vi IMproved.
+README_ole.txt for version 8.1 of Vim: Vi IMproved.
 
 This archive contains gvim.exe with OLE interface and VisVim.
 This version of gvim.exe can also load a number of interface dynamically (you
diff --git a/READMEdir/README_os2.txt b/READMEdir/README_os2.txt
index 61bef4c..7d9c5ce 100644
--- a/READMEdir/README_os2.txt
+++ b/READMEdir/README_os2.txt
@@ -1,4 +1,4 @@
-README_os2.txt for version 8.0 of Vim: Vi IMproved.
+README_os2.txt for version 8.1 of Vim: Vi IMproved.
 
 This file used to explain the installation of Vim on OS/2 systems.
 However, support for OS/2 has been removed in patch 7.4.1008.
diff --git a/READMEdir/README_os390.txt b/READMEdir/README_os390.txt
index 0b0ec9a..24c668c 100644
--- a/READMEdir/README_os390.txt
+++ b/READMEdir/README_os390.txt
@@ -1,4 +1,4 @@
-README_zOS.txt for version 8.0 of Vim: Vi IMproved.
+README_zOS.txt for version 8.1 of Vim: Vi IMproved.
 
 This readme explains how to build Vim on z/OS.  Formerly called OS/390.
 See "README.txt" for general information about Vim.
diff --git a/READMEdir/README_src.txt b/READMEdir/README_src.txt
index 3ac2975..89b8357 100644
--- a/READMEdir/README_src.txt
+++ b/READMEdir/README_src.txt
@@ -1,8 +1,8 @@
-README_src.txt for version 8.0 of Vim: Vi IMproved.
+README_src.txt for version 8.1 of Vim: Vi IMproved.
 
 The source archive contains the files needed to compile Vim on Unix systems.
 It is packed for Unix systems (NL line separator).
 
 For more information, see the README.txt file that comes with the runtime
-archive (vim-8.0-rt.tar.gz).  To be able to run Vim you MUST get the runtime
+archive (vim-8.1-rt.tar.gz).  To be able to run Vim you MUST get the runtime
 archive too!
diff --git a/READMEdir/README_srcdos.txt b/READMEdir/README_srcdos.txt
index b9cb0e5..6acb652 100644
--- a/READMEdir/README_srcdos.txt
+++ b/READMEdir/README_srcdos.txt
@@ -1,8 +1,8 @@
-README_srcdos.txt for version 8.0 of Vim: Vi IMproved.
+README_srcdos.txt for version 8.1 of Vim: Vi IMproved.
 
 See "README.txt" for general information about Vim.
 See "README_dos.txt" for installation instructions for MS-DOS and MS-Windows.
-These files are in the runtime archive (vim80rt.zip).
+These files are in the runtime archive (vim81rt.zip).
 
 
 The DOS source archive contains the files needed to compile Vim on MS-DOS or
diff --git a/READMEdir/README_unix.txt b/READMEdir/README_unix.txt
index 054f7fa..ab8d188 100644
--- a/READMEdir/README_unix.txt
+++ b/READMEdir/README_unix.txt
@@ -1,4 +1,4 @@
-README_unix.txt for version 8.0 of Vim: Vi IMproved.
+README_unix.txt for version 8.1 of Vim: Vi IMproved.
 
 This file explains the installation of Vim on Unix systems.
 See "README.txt" for general information about Vim.
diff --git a/READMEdir/README_vms.txt b/READMEdir/README_vms.txt
index 6f99c07..c1c7613 100644
--- a/READMEdir/README_vms.txt
+++ b/READMEdir/README_vms.txt
@@ -1,4 +1,4 @@
-README_vms.txt for version 8.0 of Vim: Vi IMproved.
+README_vms.txt for version 8.1 of Vim: Vi IMproved.
 
 This file explains the installation of Vim on VMS systems.
 See "README.txt" in the runtime archive for information about Vim.
diff --git a/READMEdir/README_w32s.txt b/READMEdir/README_w32s.txt
index 311a177..c4f9a0c 100644
--- a/READMEdir/README_w32s.txt
+++ b/READMEdir/README_w32s.txt
@@ -1,4 +1,4 @@
-README_w32s.txt for version 8.0 of Vim: Vi IMproved.
+README_w32s.txt for version 8.1 of Vim: Vi IMproved.
 
 This archive contains the gvim.exe that was specifically compiled for use in
 the Win32s subsystem in MS-Windows 3.1 and 3.11.