Merge branch 'maint' of git://linux-nfs.org/~bfields/git into maint

* 'maint' of git://linux-nfs.org/~bfields/git:
  user-manual: reorganize public git repo discussion
  user-manual: listing commits reachable from some refs not others
  user-manual: introduce git
  user-manual: add a "counting commits" example
  user-manual: move howto/using-topic-branches into manual
  user-manual: move howto/make-dist.txt into user manual
  Documentation: remove howto's now incorporated into manual
  user-manual: move quick-start to an appendix
  glossary: expand and clarify some definitions, prune cross-references
  user-manual: revise birdseye-view chapter
  Add a birdview-on-the-source-code section to the user manual
diff --git a/Documentation/git-add.txt b/Documentation/git-add.txt
index 755d718..38c72b8 100644
--- a/Documentation/git-add.txt
+++ b/Documentation/git-add.txt
@@ -62,6 +62,15 @@
 	for command-line options).
 
 
+Configuration
+-------------
+
+The optional configuration variable 'core.excludesfile' indicates a path to a
+file containing patterns of file names to exclude from git-add, similar to
+$GIT_DIR/info/exclude.  Patterns in the exclude file are used in addition to
+those in info/exclude.  See link:repository-layout.html[repository layout].
+
+
 EXAMPLES
 --------
 git-add Documentation/\\*.txt::
diff --git a/Documentation/git-rev-list.txt b/Documentation/git-rev-list.txt
index 11ce395..fde9a72 100644
--- a/Documentation/git-rev-list.txt
+++ b/Documentation/git-rev-list.txt
@@ -193,12 +193,12 @@
 --author='pattern', --committer='pattern'::
 
 	Limit the commits output to ones with author/committer
-	header lines that match the specified pattern.
+	header lines that match the specified pattern (regular expression).
 
 --grep='pattern'::
 
 	Limit the commits output to ones with log message that
-	matches the specified pattern.
+	matches the specified pattern (regular expression).
 
 --remove-empty::
 
diff --git a/git-send-email.perl b/git-send-email.perl
index 12ced28..e60d877 100755
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -212,7 +212,7 @@
 my %parse_alias = (
 	# multiline formats can be supported in the future
 	mutt => sub { my $fh = shift; while (<$fh>) {
-		if (/^alias\s+(\S+)\s+(.*)$/) {
+		if (/^\s*alias\s+(\S+)\s+(.*)$/) {
 			my ($alias, $addr) = ($1, $2);
 			$addr =~ s/#.*$//; # mutt allows # comments
 			 # commas delimit multiple addresses