diff --git a/Documentation/git-checkout.txt b/Documentation/git-checkout.txt
index 4505eb6d84990944009d0b5e560de4bd4d2022e8..afda5c36b5ac0061d94d706cd7a07ef8197b6b31 100644
--- a/Documentation/git-checkout.txt
+++ b/Documentation/git-checkout.txt
@@ -154,6 +154,10 @@ edits from your current working tree.
 As a special case, the `"@\{-N\}"` syntax for the N-th last branch
 checks out the branch (instead of detaching).  You may also specify
 `-` which is synonymous with `"@\{-1\}"`.
++
+As a further special case, you may use `"A...B"` as a shortcut for the
+merge base of `A` and `B` if there is exactly one merge base. You can
+leave out at most one of `A` and `B`, in which case it defaults to `HEAD`.
 
 <new_branch>::
 	Name for the new branch.
diff --git a/Documentation/git-rebase.txt b/Documentation/git-rebase.txt
index 5863decdc9f96669e839b3e16cc265ddb699fce7..50ba2e469f48f1bc16c3f6e3b6f6451a9e29637a 100644
--- a/Documentation/git-rebase.txt
+++ b/Documentation/git-rebase.txt
@@ -206,6 +206,10 @@ OPTIONS
 	--onto option is not specified, the starting point is
 	<upstream>.  May be any valid commit, and not just an
 	existing branch name.
++
+As a special case, you may use "A...B" as a shortcut for the
+merge base of A and B if there is exactly one merge base. You can
+leave out at most one of A and B, in which case it defaults to HEAD.
 
 <upstream>::
 	Upstream branch to compare against.  May be any valid commit,
diff --git a/Documentation/pretty-formats.txt b/Documentation/pretty-formats.txt
index bd760d3bd107d2f1101efbc75693e3ac5e81139b..b055a673d83bcf4c106f3f703ca7f4db4ca1d60f 100644
--- a/Documentation/pretty-formats.txt
+++ b/Documentation/pretty-formats.txt
@@ -76,9 +76,9 @@ displayed in full, regardless of whether --abbrev or
 true parent commits, without taking grafts nor history
 simplification into account.
 
-* 'format:'
+* 'format:<string>'
 +
-The 'format:' format allows you to specify which information
+The 'format:<string>' format allows you to specify which information
 you want to show. It works a little bit like printf format,
 with the notable exception that you get a newline with '%n'
 instead of '\n'.
diff --git a/Documentation/pretty-options.txt b/Documentation/pretty-options.txt
index af6d2b995a050007ae088dec8e2c3474e9f06ad5..d78e121c76ef12b2d72fbdf1558fa967dfdba85b 100644
--- a/Documentation/pretty-options.txt
+++ b/Documentation/pretty-options.txt
@@ -3,8 +3,9 @@
 
 	Pretty-print the contents of the commit logs in a given format,
 	where '<format>' can be one of 'oneline', 'short', 'medium',
-	'full', 'fuller', 'email', 'raw' and 'format:<string>'.
-	When omitted, the format defaults to 'medium'.
+	'full', 'fuller', 'email', 'raw' and 'format:<string>'.  See
+	the "PRETTY FORMATS" section for some additional details for each
+	format.  When omitted, the format defaults to 'medium'.
 +
 Note: you can specify the default pretty format in the repository
 configuration (see linkgit:git-config[1]).
diff --git a/git-compat-util.h b/git-compat-util.h
index edf352dee2271bcc1e328c43330ca9a8248c01b3..c0198dde4c2c6a61718228ca2ade463c22e0bec3 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -56,7 +56,7 @@
 # define _XOPEN_SOURCE 500
 # endif
 #elif !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__USLC__) && \
-      !defined(_M_UNIX) && !defined(sgi) && !defined(__DragonFly__)
+      !defined(_M_UNIX) && !defined(__sgi) && !defined(__DragonFly__)
 #define _XOPEN_SOURCE 600 /* glibc2 and AIX 5.3L need 500, OpenBSD needs 600 for S_ISLNK() */
 #define _XOPEN_SOURCE_EXTENDED 1 /* AIX 5.3L needs this */
 #endif