backed out 648b42a75739, which was a NON-trivial whitespace commit.  It broke the Typography class's string replacements, for instance
diff --git a/system/language/english/email_lang.php b/system/language/english/email_lang.php
index fe42768..e3bd113 100644
--- a/system/language/english/email_lang.php
+++ b/system/language/english/email_lang.php
@@ -5,9 +5,9 @@
 $lang['email_attachment_missing'] = "Unable to locate the following email attachment: %s";
 $lang['email_attachment_unreadable'] = "Unable to open this attachment: %s";
 $lang['email_no_recipients'] = "You must include recipients: To, Cc, or Bcc";
-$lang['email_send_failure_phpmail'] = "Unable to send email using PHP mail(). Your server might not be configured to send mail using this method.";
-$lang['email_send_failure_sendmail'] = "Unable to send email using PHP Sendmail. Your server might not be configured to send mail using this method.";
-$lang['email_send_failure_smtp'] = "Unable to send email using PHP SMTP. Your server might not be configured to send mail using this method.";
+$lang['email_send_failure_phpmail'] = "Unable to send email using PHP mail().  Your server might not be configured to send mail using this method.";
+$lang['email_send_failure_sendmail'] = "Unable to send email using PHP Sendmail.  Your server might not be configured to send mail using this method.";
+$lang['email_send_failure_smtp'] = "Unable to send email using PHP SMTP.  Your server might not be configured to send mail using this method.";
 $lang['email_sent'] = "Your message has been successfully sent using the following protocol: %s";
 $lang['email_no_socket'] = "Unable to open a socket to Sendmail. Please check settings.";
 $lang['email_no_hostname'] = "You did not specify a SMTP hostname.";