patch 9.0.2127: translation Makefiles can be improved

Problem:  translation Makefiles can be improved
Solution: Modified and extended po-related Makefiles and
          related files

closes: #13518

Signed-off-by: RestorerZ <restorer@mail2k.ru>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/po/README_mvc.txt b/src/po/README_mvc.txt
index c63ad1f..691e6ae 100644
--- a/src/po/README_mvc.txt
+++ b/src/po/README_mvc.txt
@@ -14,6 +14,11 @@
 expat will install into its own directory.  You should copy libexpat.dll into
 the bin directory created from the gettext/libiconv packages.
 
+Or Michele Locati kindly provides precompiled binaries gettext 0.21 and
+iconv 1.16 for Windows on his site: 
+
+	https://mlocati.github.io/articles/gettext-iconv-windows.html
+
 First read the README.txt file in this directory for general remarks on
 translating Vim messages.
 
@@ -26,9 +31,9 @@
 
 	http://www.geocities.com/click2speak/languages.html
 
-Another possibility is to use the gnuwin32 port of gettext. This is
+Another possibility is to use the GnuWin32 port of gettext. This is
 recommended especially if you use already gnuwin32 tools to gunzip, bunzip,
-patch etc. these files. You find the gnuwin32 version of gettext here:
+patch etc. these files. You find the GnuWin32 version of gettext here:
 
         http://gnuwin32.sourceforge.net/packages/gettext.htm
 
@@ -51,7 +56,7 @@
 CREATING A NEW TRANSLATION
 
 When creating a new translation you must add your language code to the
-Make_mvc.mak file in the lines defining LANGUAGES and MOFILES.  To create the
+Make_all.mak file in the lines defining LANGUAGES and MOFILES.  To create the
 initial .po file for your language you must use the command:
 
 	make -f make_mvc.mak first_time
@@ -64,11 +69,11 @@
 
 You will also need to edit the file names in the comments in the .po file.
 You need to remove the absolute directory specification (which has the form
-c:\vim61\src\).  You can do this in Vim with the following command with the
+c:\vim91\src\).  You can do this in Vim with the following command with the
 appropriate directory specification for where you have installed the Vim
 source:
 
-	%s/c:\\vim61\\src\\//g
+	%s/c:\\vim91\\src\\//g
 
 
 UPDATING A TRANSLATION