Description for Fix #1938 added to changelog (sync)

Conflicts:
	user_guide_src/source/changelog.rst

Signed-off-by: GDmac <grdalenoort@gmail.com>
diff --git a/system/libraries/Email.php b/system/libraries/Email.php
index edca303..7280466 100644
--- a/system/libraries/Email.php
+++ b/system/libraries/Email.php
@@ -770,6 +770,9 @@
 			$body = str_replace(str_repeat("\n", $i), "\n\n", $body);
 		}
 
+		// Reduce multiple spaces
+		$str = preg_replace('| +|', ' ', $str);
+
 		return ($this->wordwrap)
 			? $this->word_wrap($body, 76)
 			: $body;
@@ -792,15 +795,15 @@
 			$charlim = empty($this->wrapchars) ? 76 : $this->wrapchars;
 		}
 
-		// Reduce multiple spaces
-		$str = preg_replace('| +|', ' ', $str);
-
 		// Standardize newlines
 		if (strpos($str, "\r") !== FALSE)
 		{
 			$str = str_replace(array("\r\n", "\r"), "\n", $str);
 		}
 
+		// Reduce multiple spaces at end of line
+		$str = preg_replace('| +\n|', "\n", $str);
+
 		// If the current word is surrounded by {unwrap} tags we'll
 		// strip the entire chunk and replace it with a marker.
 		$unwrap = array();
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index 5b3ca3e..065daf5 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -400,6 +400,7 @@
 -  Fixed a bug (#142) - :doc:`Form Helper <helpers/form_helper>` function ``form_dropdown()`` didn't escape HTML entities in option values.
 -  Fixed a bug (#50) - :doc:`Session Library <libraries/sessions>` unnecessarily stripped slashed from serialized data, making it impossible to read objects in a namespace.
 -  Fixed a bug (#658) - :doc:`Routing <general/routing>` wildcard **:any** didn't work as advertised and matched multiple URI segments instead of all characters within a single segment.
+-  Fixed a bug (#1938) - :doc:`Email <libraries/email>` where the email library removed multiple spaces inside a pre-formatted plain text message.
 
 Version 2.1.3
 =============