diff --git a/.gitignore b/.gitignore
index 0fd5ba0..81b3b11 100644
--- a/.gitignore
+++ b/.gitignore
@@ -50,6 +50,7 @@
 
 # Mac OSX
 src/xxd/xxd.dSYM
+.DS_Store
 
 # All platforms
 *.rej
diff --git a/src/Makefile b/src/Makefile
index fb232b1..067110a 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -413,9 +413,11 @@
 
 # MZSCHEME
 # Uncomment this when you want to include the MzScheme interface.
+# You may have to build racket from source to make this work.
 # NOTE: does not work well together with valgrind.
 #CONF_OPT_MZSCHEME = --enable-mzschemeinterp
 # PLT/mrscheme/drscheme Home dir; the PLTHOME environment variable also works
+#CONF_OPT_PLTHOME  = --with-plthome=/usr/local
 #CONF_OPT_PLTHOME  = --with-plthome=/usr/local/plt
 #CONF_OPT_PLTHOME  = --with-plthome=/usr/local/drscheme
 #CONF_OPT_PLTHOME  = --with-plthome=/home/me/mz
@@ -612,7 +614,7 @@
 # Use this with GCC to check for mistakes, unused arguments, etc.
 # Note: If you use -Wextra and get warnings in GTK code about function
 #       parameters, you can add -Wno-cast-function-type
-#CFLAGS = -g -Wall -Wextra -Wshadow -Wmissing-prototypes -Wunreachable-code -Wno-cast-function-type -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1
+#CFLAGS = -g -Wall -Wextra -Wshadow -Wmissing-prototypes -Wunreachable-code -Wno-cast-function-type -Wno-deprecated-declarations -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1
 # Add -Wpedantic to find // comments and other C99 constructs.
 # Better disable Perl and Python to avoid a lot of warnings.
 #CFLAGS = -g -Wall -Wextra -Wshadow -Wmissing-prototypes -Wpedantic -Wunreachable-code -Wunused-result -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1
diff --git a/src/message.c b/src/message.c
index 4a3389c..9ecd194 100644
--- a/src/message.c
+++ b/src/message.c
@@ -1455,7 +1455,7 @@
 
 /*
  * Output 'len' characters in 'str' (including NULs) with translation
- * if 'len' is -1, output upto a NUL character.
+ * if 'len' is -1, output up to a NUL character.
  * Use attributes 'attr'.
  * Return the number of characters it takes on the screen.
  */
@@ -1599,7 +1599,7 @@
 #endif
 
 /*
- * Output the string 'str' upto a NUL character.
+ * Output the string 'str' up to a NUL character.
  * Return the number of characters it takes on the screen.
  *
  * If K_SPECIAL is encountered, then it is taken in conjunction with the
diff --git a/src/testdir/shared.vim b/src/testdir/shared.vim
index 78f204c..e753c1e 100644
--- a/src/testdir/shared.vim
+++ b/src/testdir/shared.vim
@@ -315,6 +315,9 @@
     let args .= ' -S Xafter.vim'
   endif
 
+  " Optionally run Vim under valgrind
+  " let cmd = 'valgrind --tool=memcheck --leak-check=yes --num-callers=25 --log-file=valgrind ' . cmd
+
   exe "silent !" . a:pipecmd . cmd . args . ' ' . a:arguments
 
   if len(a:before) > 0
diff --git a/src/testdir/test49.vim b/src/testdir/test49.vim
index f19b9db..15210b6 100644
--- a/src/testdir/test49.vim
+++ b/src/testdir/test49.vim
@@ -178,7 +178,7 @@
 "		next Xpath value.  No new Xnext value is prepared.  The argument
 "		should be 2^(n-1) for the nth Xloop command inside the loop.
 "		If the loop has only one Xloop command, the argument can be
-"		ommitted (default: 1).
+"		omitted (default: 1).
 "
 "	- Use XloopNEXT before ":continue" and ":endwhile".  This computes a new
 "	  Xnext value for the next execution of the loop by multiplying the old
diff --git a/src/version.c b/src/version.c
index b25cda4..8f098f2 100644
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2402,
+/**/
     2401,
 /**/
     2400,