Merge branch 'jc/config-tar'

Improve the structure of the documentation source a bit.

* jc/config-tar:
  separate tar.* config to its own source file

Documentation/config.txt

@@ -447,6 +447,8 @@ include::config/submodule.txt[]
 
 include::config/tag.txt[]
 
+include::config/tar.txt[]
+
 include::config/trace2.txt[]
 
 include::config/transfer.txt[]

Documentation/config/tag.txt

@@ -15,10 +15,3 @@ tag.gpgSign::
 	convenient to use an agent to avoid typing your gpg passphrase
 	several times. Note that this option doesn't affect tag signing
 	behavior enabled by "-u <keyid>" or "--local-user=<keyid>" options.
-
-tar.umask::
-	This variable can be used to restrict the permission bits of
-	tar archive entries.  The default is 0002, which turns off the
-	world write bit.  The special value "user" indicates that the
-	archiving user's umask will be used instead.  See umask(2) and
-	linkgit:git-archive[1].

Documentation/config/tar.txt

@@ -0,0 +1,6 @@
+tar.umask::
+	This variable can be used to restrict the permission bits of
+	tar archive entries.  The default is 0002, which turns off the
+	world write bit.  The special value "user" indicates that the
+	archiving user's umask will be used instead.  See umask(2) and
+	linkgit:git-archive[1].