diff --git a/Documentation/git-archive.txt b/Documentation/git-archive.txt
index b4c2e24849..250e5228a3 100644
--- a/Documentation/git-archive.txt
+++ b/Documentation/git-archive.txt
@@ -56,7 +56,8 @@ OPTIONS
 	Write the archive to <file> instead of stdout.
 
 --worktree-attributes::
-	Look for attributes in .gitattributes in working directory too.
+	Look for attributes in .gitattributes files in the working tree
+	as well (see <<ATTRIBUTES>>).
 
 <extra>::
 	This can be any options that the archiver backend understands.
@@ -120,6 +121,7 @@ tar.<format>.remote::
 	user-defined formats, but true for the "tar.gz" and "tgz"
 	formats.
 
+[[ATTRIBUTES]]
 ATTRIBUTES
 ----------
 
diff --git a/INSTALL b/INSTALL
index 2dc3b61d1f..ba01e7421e 100644
--- a/INSTALL
+++ b/INSTALL
@@ -101,7 +101,7 @@ Issues of note:
 	- "openssl" library is used by git-imap-send to use IMAP over SSL.
 	  If you don't need it, use NO_OPENSSL.
 
-	  By default, git uses OpenSSL for SHA1 but it will use it's own
+	  By default, git uses OpenSSL for SHA1 but it will use its own
 	  library (inspired by Mozilla's) with either NO_OPENSSL or
 	  BLK_SHA1.  Also included is a version optimized for PowerPC
 	  (PPC_SHA1).
diff --git a/perl/private-Error.pm b/perl/private-Error.pm
index 11e9cd9a02..ea14ab270a 100644
--- a/perl/private-Error.pm
+++ b/perl/private-Error.pm
@@ -630,7 +630,7 @@ Only one finally block may be specified per try block
 =head2 CONSTRUCTORS
 
 The C<Error> object is implemented as a HASH. This HASH is initialized
-with the arguments that are passed to it's constructor. The elements
+with the arguments that are passed to its constructor. The elements
 that are used by, or are retrievable by the C<Error> class are listed
 below, other classes may add to these.
 
@@ -763,7 +763,7 @@ to the constructor.
 
 =item Error::Simple
 
-This class can be used to hold simple error strings and values. It's
+This class can be used to hold simple error strings and values. Its
 constructor takes two arguments. The first is a text value, the second
 is a numeric value. These values are what will be returned by the
 overload methods.
diff --git a/t/README b/t/README
index 9b41fe7a9f..e669bb31b9 100644
--- a/t/README
+++ b/t/README
@@ -86,7 +86,10 @@ appropriately before running "make".
 
 --immediate::
 	This causes the test to immediately exit upon the first
-	failed test.
+	failed test. Cleanup commands requested with
+	test_when_finished are not executed if the test failed,
+	in order to keep the state for inspection by the tester
+	to diagnose the bug.
 
 --long-tests::
 	This causes additional long-running tests to be run (where
@@ -619,6 +622,11 @@ use these, and "test_set_prereq" for how to define your own.
    The process retains the same pid across exec(2). See fb9a2bea for
    details.
 
+ - PIPE
+
+   The filesystem we're on supports creation of FIFOs (named pipes)
+   via mkfifo(1).
+
  - SYMLINKS
 
    The filesystem we're on supports symbolic links. E.g. a FAT
diff --git a/t/t9010-svn-fe.sh b/t/t9010-svn-fe.sh
index b7eed2489f..6dafe7e99a 100755
--- a/t/t9010-svn-fe.sh
+++ b/t/t9010-svn-fe.sh
@@ -54,14 +54,6 @@ text_no_props () {
 
 >empty
 
-test_expect_success 'setup: have pipes?' '
-	rm -f frob &&
-	if mkfifo frob
-	then
-		test_set_prereq PIPE
-	fi
-'
-
 test_expect_success PIPE 'empty dump' '
 	reinit_git &&
 	echo "SVN-fs-dump-format-version: 2" >input &&
diff --git a/t/t9300-fast-import.sh b/t/t9300-fast-import.sh
index 2fcf269469..ac6f3b6af2 100755
--- a/t/t9300-fast-import.sh
+++ b/t/t9300-fast-import.sh
@@ -49,14 +49,6 @@ echo "$@"'
 
 >empty
 
-test_expect_success 'setup: have pipes?' '
-	rm -f frob &&
-	if mkfifo frob
-	then
-		test_set_prereq PIPE
-	fi
-'
-
 ###
 ### series A
 ###
diff --git a/t/test-lib.sh b/t/test-lib.sh
index da57a2f45c..debd8b4751 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -735,6 +735,11 @@ test_i18ngrep () {
 	fi
 }
 
+test_lazy_prereq PIPE '
+	# test whether the filesystem supports FIFOs
+	rm -f testfifo && mkfifo testfifo
+'
+
 test_lazy_prereq SYMLINKS '
 	# test whether the filesystem supports symbolic links
 	ln -s x y && test -h y