userland: Fix several typos and minor errors

- duplicate words
- typos
- references to old versions of FreeBSD

Reviewed by:	imp, benno

3 files changed, 3 insertions, 3 deletions

diff --git a/usr.bin/localedef/ctype.c b/usr.bin/localedef/ctype.c
index 3133d2462b37..abeea0194629 100644
--- a/usr.bin/localedef/ctype.c
+++ b/usr.bin/localedef/ctype.c
@@ -224,7 +224,7 @@ add_ctype_range(wchar_t end)
  * A word about widths: if the width mask is specified, then libc
  * unconditionally honors it.  Otherwise, it assumes printable
  * characters have width 1, and non-printable characters have width
- * -1 (except for NULL which is special with with 0).  Hence, we have
+ * -1 (except for NULL which is special with width 0).  Hence, we have
  * no need to inject defaults here -- the "default" unset value of 0
  * indicates that libc should use its own logic in wcwidth as described.
  */
diff --git a/usr.bin/mail/cmd3.c b/usr.bin/mail/cmd3.c
index 71df59bfea56..68afbaa56913 100644
--- a/usr.bin/mail/cmd3.c
+++ b/usr.bin/mail/cmd3.c
@@ -261,7 +261,7 @@ dorespond(int *msgvec)
 }
 
 /*
- * Modify the subject we are replying to to begin with Re: if
+ * Modify the message subject to begin with "Re:" if
  * it does not already.
  */
 char *
diff --git a/usr.bin/xargs/strnsubst.c b/usr.bin/xargs/strnsubst.c
index 304e47bdf3f4..d826d33c0967 100644
--- a/usr.bin/xargs/strnsubst.c
+++ b/usr.bin/xargs/strnsubst.c
@@ -37,7 +37,7 @@ strnsubst(char **str, const char *match, const char *replstr, size_t maxsize)
 	if (s1 == NULL)
 		return;
 	/*
-	 * If maxsize is 0 then set it to to the length of s1, because we have
+	 * If maxsize is 0 then set it to the length of s1, because we have
 	 * to duplicate s1.  XXX we maybe should double-check whether the match
 	 * appears in s1.  If it doesn't, then we also have to set the length
 	 * to the length of s1, to avoid modifying the argument.  It may make