Merge commit 'b319ef7' into jc/maint-fix-test-perm

* commit 'b319ef7': (8132 commits)
  Add a small patch-mode testing library
  git-apply--interactive: Refactor patch mode code
  t8005: Nobody writes Russian in shift_jis
  Fix severe breakage in "git-apply --whitespace=fix"
  Update release notes for 1.6.4
  After renaming a section, print any trailing variable definitions
  Make section_name_match start on '[', and return the length on success
  send-email: detect cycles in alias expansion
  Show the presence of untracked files in the bash prompt.
  SunOS grep does not understand -C<n> nor -e
  Fix export_marks() error handling.
  git repack: keep commits hidden by a graft
  Add a test showing that 'git repack' throws away grafted-away parents
  git branch: clean up detached branch handling
  git branch: avoid unnecessary object lookups
  git branch: fix performance problem
  git svn: fix shallow clone when upstream revision is too new
  do_one_ref(): null_sha1 check is not about broken ref
  configure.ac: properly unset NEEDS_SSL_WITH_CRYPTO when sha1 func is missing
  janitor: useless checks before free
  ...

1 files changed, 23 insertions, 25 deletions

diff --git a/Documentation/git-commit-tree.txt b/Documentation/git-commit-tree.txt
index cf25507f8f..b8834baced 100644
--- a/Documentation/git-commit-tree.txt
+++ b/Documentation/git-commit-tree.txt
@@ -8,20 +8,20 @@ git-commit-tree - Create a new commit object
 
 SYNOPSIS
 --------
-'git-commit-tree' <tree> [-p <parent commit>]\* < changelog
+'git commit-tree' <tree> [-p <parent commit>]\* < changelog
 
 DESCRIPTION
 -----------
 This is usually not what an end user wants to run directly.  See
-gitlink:git-commit[1] instead.
+linkgit:git-commit[1] instead.
 
 Creates a new commit object based on the provided tree object and
-emits the new commit object id on stdout. If no parent is given then
-it is considered to be an initial tree.
+emits the new commit object id on stdout.
 
-A commit object usually has 1 parent (a commit after a change) or up
-to 16 parents.  More than one parent represents a merge of branches
-that led to them.
+A commit object may have any number of parents. With exactly one
+parent, it is an ordinary commit. Having more than one parent makes
+the commit a merge between several lines of history. Initial (root)
+commits have no parents.
 
 While a tree represents a particular directory state of a working
 directory, a commit represents that state in "time", and explains how
@@ -40,7 +40,7 @@ OPTIONS
 
 -p <parent commit>::
 	Each '-p' indicates the id of a parent commit object.
-	
+
 
 Commit Information
 ------------------
@@ -51,27 +51,26 @@ A commit encapsulates:
 - author name, email and date
 - 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 by
-either `.git/config` file, or using the following environment variables.
+While parent object ids are provided on the command line, author and
+committer information is taken from the following environment variables,
+if set:
 
 	GIT_AUTHOR_NAME
 	GIT_AUTHOR_EMAIL
 	GIT_AUTHOR_DATE
 	GIT_COMMITTER_NAME
 	GIT_COMMITTER_EMAIL
+	GIT_COMMITTER_DATE
+	EMAIL
 
 (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"
+In case (some of) these environment variables are not set, the information
+is taken from the configuration items user.name and user.email, or, if not
+present, system user name and fully qualified hostname.
 
-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
+A commit comment is read from stdin. If a changelog
+entry is not provided via "<" redirection, 'git-commit-tree' will just wait
 for one to be entered and terminated with ^D.
 
 
@@ -80,18 +79,18 @@ Diagnostics
 You don't exist. Go away!::
     The passwd(5) gecos field couldn't be read
 Your parents must have hated you!::
-    The password(5) gecos field is longer than a giant static buffer.
+    The passwd(5) gecos field is longer than a giant static buffer.
 Your sysadmin must hate you!::
-    The password(5) name field is longer than a giant static buffer.
+    The passwd(5) name field is longer than a giant static buffer.
 
 Discussion
 ----------
 
 include::i18n.txt[]
 
-See Also
+SEE ALSO
 --------
-gitlink:git-write-tree[1]
+linkgit:git-write-tree[1]
 
 
 Author
@@ -104,5 +103,4 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel
 
 GIT
 ---
-Part of the gitlink:git[7] suite
-
+Part of the linkgit:git[1] suite