Add warning about LEIN_JAR usage in Windows

tvaughan · Feb 22, 2016 · 976bf20 · 976bf20
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commit 976bf20
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diff --git a/README.md b/README.md
@@ -40,6 +40,8 @@ on your `PATH` and running `lein self-install` should still work for
 most users. If you have [Cygwin](http://www.cygwin.com/) you should be
 able to use the shell script above rather than the batch file.
 
+N.B.: Avoid using a LEIN_JAR environment variable. If you have one instance of Leiningen on your PATH as well as a LEIN_JAR pointing to a different instance, there is a known problem where `lein -v` and `lein update` will refer to the first instance, while usage of Leiningen, such as `lein new foobar`, will refer to the latter.
+
 ## Basic Usage
 
 The