README: update stale and/or incorrect information

diff --git a/Documentation/git.txt b/Documentation/git.txt
index 1d797f27ed7682cf7308949b99d4bc27f9767f1a..276491223a1e4536cd7a6913b1bf1fb75f7012b0 100644 (file)
--- a/Documentation/git.txt
+++ b/Documentation/git.txt
@@ -43,9 +43,16 @@ unreleased) version of git, that is available from 'master'
 branch of the `git.git` repository.
 Documentation for older releases are available here:
 
-* link:v1.8.0.2/git.html[documentation for release 1.8.0.2]
+* link:v1.8.1.1/git.html[documentation for release 1.8.1.1]
 
 * release notes for
+  link:RelNotes/1.8.1.1.txt[1.8.1.1],
+  link:RelNotes/1.8.1.txt[1.8.1].
+
+* link:v1.8.0.3/git.html[documentation for release 1.8.0.3]
+
+* release notes for
+  link:RelNotes/1.8.0.3.txt[1.8.0.3],
   link:RelNotes/1.8.0.2.txt[1.8.0.2],
   link:RelNotes/1.8.0.1.txt[1.8.0.1],
   link:RelNotes/1.8.0.txt[1.8.0].
@@ -766,6 +773,14 @@ for further details.
        and read the password from its STDOUT. See also the 'core.askpass'
        option in linkgit:git-config[1].
 
+'GIT_CONFIG_NOSYSTEM'::
+       Whether to skip reading settings from the system-wide
+       `$(prefix)/etc/gitconfig` file.  This environment variable can
+       be used along with `$HOME` and `$XDG_CONFIG_HOME` to create a
+       predictable environment for a picky script, or you can set it
+       temporarily to avoid using a buggy `/etc/gitconfig` file while
+       waiting for someone with sufficient permissions to fix it.
+
 'GIT_FLUSH'::
        If this environment variable is set to "1", then commands such
        as 'git blame' (in incremental mode), 'git rev-list', 'git log',