diff --git a/cake/libs/model/datasources/dbo_source.php b/cake/libs/model/datasources/dbo_source.php
index 8c625ff62..f2aa64ebc 100644
--- a/cake/libs/model/datasources/dbo_source.php
+++ b/cake/libs/model/datasources/dbo_source.php
@@ -1904,6 +1904,7 @@ class DboSource extends DataSource {
 				$key = substr($key, 0, $split);
 			}
 		}
+
 		$type = (is_object($model) ? $model->getColumnType($key) : null);
 		$null = ($value === null || (is_array($value) && empty($value)));
 
@@ -1915,9 +1916,10 @@ class DboSource extends DataSource {
 		}
 		$value = $this->value($value, $type);
 
-		$key = (strpos($key, '(') !== false || strpos($key, ')') !== false) ?
-			$this->__quoteFields($key) :
-			$this->name($key);
+		if ($key !== '?') {
+			$isKey = (strpos($key, '(') !== false || strpos($key, ')') !== false);
+			$key = $isKey ? $this->__quoteFields($key) : $this->name($key);
+		}
 
 		if ($bound) {
 			return String::insert($key . ' ' . trim($operator), $value);
diff --git a/cake/libs/router.php b/cake/libs/router.php
index 3b496da25..4071c6f12 100644
--- a/cake/libs/router.php
+++ b/cake/libs/router.php
@@ -215,7 +215,7 @@ class Router extends Object {
 		return $_this->routes;
 	}
 /**
- *Specifies what named parameters CakePHP should be parsing. The most common setups are:
+ * Specifies what named parameters CakePHP should be parsing. The most common setups are:
  *
  * Do not parse any named parameters:
  * {{{ Router::connectNamed(false); }}}
diff --git a/cake/libs/string.php b/cake/libs/string.php
index 8639e5f4f..8c73551a6 100644
--- a/cake/libs/string.php
+++ b/cake/libs/string.php
@@ -211,10 +211,10 @@ class String extends Object {
  * @static
  */
 	function insert($str, $data, $options = array()) {
-		$options = array_merge(
-			array('before' => ':', 'after' => null, 'escape' => '\\', 'format' => null, 'clean' => false),
-			$options
+		$defaults = array(
+			'before' => ':', 'after' => null, 'escape' => '\\', 'format' => null, 'clean' => false
 		);
+		$options += $defaults;
 		$format = $options['format'];
 
 		if (!isset($format)) {
@@ -231,7 +231,7 @@ class String extends Object {
 
 		if (array_keys($data) === array_keys(array_values($data))) {
 			$offset = 0;
-			while ($pos = strpos($str, '?', $offset)) {
+			while (($pos = strpos($str, '?', $offset)) !== false) {
 				$val = array_shift($data);
 				$offset = $pos + strlen($val);
 				$str = substr_replace($str, $val, $pos, 1);
diff --git a/cake/tests/cases/libs/model/datasources/dbo_source.test.php b/cake/tests/cases/libs/model/datasources/dbo_source.test.php
index 61019add0..54375cf7e 100644
--- a/cake/tests/cases/libs/model/datasources/dbo_source.test.php
+++ b/cake/tests/cases/libs/model/datasources/dbo_source.test.php
@@ -2404,12 +2404,10 @@ class DboSourceTest extends CakeTestCase {
 		$expected = " WHERE `client_id` > 20";
 		$this->assertEqual($result, $expected);
 
-		$result = $this->testDb->conditions(array(
-					'OR' => array(
-						array('User.user' => 'mariano'),
-						array('User.user' => 'nate')
-					)
-				));
+		$result = $this->testDb->conditions(array('OR' => array(
+			array('User.user' => 'mariano'),
+			array('User.user' => 'nate')
+		)));
 
 		$expected = " WHERE ((`User`.`user` = 'mariano') OR (`User`.`user` = 'nate'))";
 		$this->assertEqual($result, $expected);
@@ -2545,6 +2543,12 @@ class DboSourceTest extends CakeTestCase {
 		));
 		$expected = ' WHERE ASCII(SUBSTRING(keyword, 1, 1)) BETWEEN 65 AND 90';
 		$this->assertEqual($result, $expected);
+
+		$result = $this->testDb->conditions(array('or' => array(
+			'? BETWEEN Model.field1 AND Model.field2' => '2009-03-04'
+		)));
+		$expected = " WHERE '2009-03-04' BETWEEN Model.field1 AND Model.field2";
+		$this->assertEqual($result, $expected);
 	}
 /**
  * testArrayConditionsParsingComplexKeys method
diff --git a/cake/tests/cases/libs/string.test.php b/cake/tests/cases/libs/string.test.php
index f544ca41c..eacdd181e 100644
--- a/cake/tests/cases/libs/string.test.php
+++ b/cake/tests/cases/libs/string.test.php
@@ -40,7 +40,8 @@ class StringTest extends CakeTestCase {
  */
 	function testUuidGeneration() {
 		$result = String::uuid();
-		$match = preg_match("/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/", $result);
+		$pattern = "/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/";
+		$match = preg_match($pattern, $result);
 		$this->assertTrue($match);
 	}
 /**
@@ -52,9 +53,11 @@ class StringTest extends CakeTestCase {
 	function testMultipleUuidGeneration() {
 		$check = array();
 		$count = mt_rand(10, 1000);
+		$pattern = "/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/";
+
 		for($i = 0; $i < $count; $i++) {
 			$result = String::uuid();
-			$match = preg_match("/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/", $result);
+			$match = preg_match($pattern, $result);
 			$this->assertTrue($match);
 			$this->assertFalse(in_array($result, $check));
 			$check[] = $result;
@@ -179,9 +182,17 @@ class StringTest extends CakeTestCase {
 		$expected = "We are of course passing.";
 		$this->assertEqual($result, $expected);
 
-		$result = String::insert(':I.am: :not.yet: passing.', array('I.am' => 'We are'), array('before' => ':', 'after' => ':', 'clean' => true));
+		$result = String::insert(
+			':I.am: :not.yet: passing.',
+			array('I.am' => 'We are'),
+			array('before' => ':', 'after' => ':', 'clean' => true)
+		);
 		$expected = "We are passing.";
 		$this->assertEqual($result, $expected);
+
+		$result = String::insert('?-pended result', array('Pre'));
+		$expected = "Pre-pended result";
+		$this->assertEqual($result, $expected);
 	}
 /**
  * test Clean Insert