Update draft release notes to 1.8.3

diff --git a/Documentation/git-sh-setup.txt b/Documentation/git-sh-setup.txt
index 5e5f1c89646cf4389bfd30ba8e90eb0552e80aab..5d709d02c39e10ac946c3870a10d959a4c12a5d4 100644 (file)
--- a/Documentation/git-sh-setup.txt
+++ b/Documentation/git-sh-setup.txt
@@ -3,7 +3,7 @@ git-sh-setup(1)
 
 NAME
 ----
-git-sh-setup - Common git shell script setup code
+git-sh-setup - Common Git shell script setup code
 
 SYNOPSIS
 --------
@@ -19,7 +19,7 @@ Porcelain-ish scripts and/or are writing new ones.
 
 The 'git sh-setup' scriptlet is designed to be sourced (using
 `.`) by other shell scripts to set up some variables pointing at
-the normal git directories and a few helper shell functions.
+the normal Git directories and a few helper shell functions.
 
 Before sourcing it, your script should set up a few variables;
 `USAGE` (and `LONG_USAGE`, if any) is used to define message
@@ -82,6 +82,12 @@ get_author_ident_from_commit::
        outputs code for use with eval to set the GIT_AUTHOR_NAME,
        GIT_AUTHOR_EMAIL and GIT_AUTHOR_DATE variables for a given commit.
 
+create_virtual_base::
+       modifies the first file so only lines in common with the
+       second file remain. If there is insufficient common material,
+       then the first file is left empty. The result is suitable
+       as a virtual base input for a 3-way merge.
+
 GIT
 ---
 Part of the linkgit:git[1] suite