Add git-for-each-ref: helper for language bindings

diff --git a/Documentation/git-commit-tree.txt b/Documentation/git-commit-tree.txt
index 9aba868fa4c7f41fa03bcaac89bd65ca7fbbf394..41d1a1c4b340b17a545feebe9877def8b009933f 100644 (file)
--- a/Documentation/git-commit-tree.txt
+++ b/Documentation/git-commit-tree.txt
@@ -1,6 +1,5 @@
 git-commit-tree(1)
 ==================
-v0.1, May 2005
 
 NAME
 ----
@@ -9,7 +8,7 @@ git-commit-tree - Creates a new commit object
 
 SYNOPSIS
 --------
-'git-commit-tree' <tree> [-p <parent commit>]\   < changelog
+'git-commit-tree' <tree> [-p <parent commit>]\* < changelog
 
 DESCRIPTION
 -----------
@@ -27,8 +26,9 @@ to get there.
 
 Normally a commit would identify a new "HEAD" state, and while git
 doesn't care where you save the note about that state, in practice we
-tend to just write the result to the file `.git/HEAD`, so that we can
-always see what the last committed state was.
+tend to just write the result to the file that is pointed at by
+`.git/HEAD`, so that we can always see what the last committed
+state was.
 
 OPTIONS
 -------
@@ -49,8 +49,8 @@ A commit encapsulates:
 - committer name and email and the commit time.
 
 If not provided, "git-commit-tree" uses your name, hostname and domain to
-provide author and committer info. This can be overridden using the
-following environment variables.
+provide author and committer info. This can be overridden by
+either `.git/config` file, or using the following environment variables.
 
        GIT_AUTHOR_NAME
        GIT_AUTHOR_EMAIL
@@ -60,10 +60,18 @@ following environment variables.
 
 (nb "<", ">" and "\n"s are stripped)
 
+In `.git/config` file, the following items are used for GIT_AUTHOR_NAME and
+GIT_AUTHOR_EMAIL:
+
+       [user]
+               name = "Your Name"
+               email = "your@email.address.xz"
+
 A commit comment is read from stdin (max 999 chars). If a changelog
 entry is not provided via "<" redirection, "git-commit-tree" will just wait
 for one to be entered and terminated with ^D.
 
+
 Diagnostics
 -----------
 You don't exist. Go away!::