git-tar-tree: documentation update

 * add example on how to avoid adding a global extended pax header
 * don't mention linux anymore, use git itself as an example instead
 * update to v1.4.0 ;-)
 * append missing :: to the examples

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <junkio@cox.net>

Documentation/git-tar-tree.txt

@@ -39,19 +39,24 @@ OPTIONS
 
 Examples
 --------
-git tar-tree HEAD | (cd /var/tmp/ && mkdir junk && tar Cxf junk -)::
+git tar-tree HEAD junk | (cd /var/tmp/ && tar xf -)::
 
 	Create a tar archive that contains the contents of the
 	latest commit on the current branch, and extracts it in
 	`/var/tmp/junk` directory.
 
-git tar-tree v2.6.17 linux-2.6.17 | gzip >linux-2.6.17.tar.gz
+git tar-tree v1.4.0 git-1.4.0 | gzip >git-1.4.0.tar.gz::
 
-	Create a tarball for v2.6.17 release.
+	Create a tarball for v1.4.0 release.
 
-git tar-tree --remote=example.com:git.git v0.99 >git-0.99.tar
+git tar-tree v1.4.0{caret}\{tree\} git-1.4.0 | gzip >git-1.4.0.tar.gz::
 
-	Get a tarball v0.99 from example.com.
+	Create a tarball for v1.4.0 release, but without a
+	global extended pax header.
+
+git tar-tree --remote=example.com:git.git v1.4.0 >git-1.4.0.tar::
+
+	Get a tarball v1.4.0 from example.com.
 
 Author
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