diff --git a/README b/README
index a71a359..d6bdd31 100644
--- a/README
+++ b/README
@@ -30,8 +30,8 @@ TESTING
 
 MINIFY OVERVIEW 
 
-Minify is an HTTP content server. It combines sources of content 
-(usually files), compresses the result and serves it with appropriate 
+Minify is an HTTP content server. It compresses sources of content 
+(usually files), combines the result and serves it with appropriate 
 HTTP headers. These headers can usually allow clients to perform 
 conditional GETs (serving content only when clients do not have a valid 
 cache) or tell clients to cache the file until a given date/time. 
@@ -57,7 +57,7 @@ Minify options (optional). Eg.:
 Minify::serve(
     'Files'
     ,array('/path/to/file1.js', '/path/to/file2.js')
-    ,array('cacheUntil' => (time() + 86400 * 365))
+    ,array('setExpires' => (time() + 86400 * 365))
 ); 
 
 The above creates an instance of Minify_Controller_Files, passing the 
diff --git a/lib/HTTP/ConditionalGet.php b/lib/HTTP/ConditionalGet.php
index d275afe..d41879c 100644
--- a/lib/HTTP/ConditionalGet.php
+++ b/lib/HTTP/ConditionalGet.php
@@ -80,13 +80,13 @@ class HTTP_ConditionalGet {
             ? 'public'
             : 'private';
         // allow far-expires header
-        if (isset($spec['cacheUntil'])) {
-            if (is_numeric($spec['cacheUntil'])) {
-                $spec['cacheUntil'] = self::gmtdate($spec['cacheUntil']); 
+        if (isset($spec['setExpires'])) {
+            if (is_numeric($spec['setExpires'])) {
+                $spec['setExpires'] = self::gmtdate($spec['setExpires']); 
             }
             $this->headers = array(
                 'Cache-Control' => $scope
-                ,'Expires' => $spec['cacheUntil']
+                ,'Expires' => $spec['setExpires']
             );
             $this->cacheIsValid = false;
             return;
diff --git a/lib/HTTP/ConditionalGet/test/5.php b/lib/HTTP/ConditionalGet/test/5.php
index 64e317b..2b2f0f0 100644
--- a/lib/HTTP/ConditionalGet/test/5.php
+++ b/lib/HTTP/ConditionalGet/test/5.php
@@ -4,14 +4,14 @@ require '../../ConditionalGet.php';
 
 // far expires
 $cg = new HTTP_ConditionalGet(array(
-    'cacheUntil' => (time() + 86400 * 365) // 1 yr
+    'setExpires' => (time() + 86400 * 365) // 1 yr
 ));
 $cg->sendHeaders();
 
 // generate, send content
 $title = 'Expires date is known';
 $explain = '
-<p>Here we set "cacheUntil" to a timestamp or GMT date string. This results in
+<p>Here we set "setExpires" to a timestamp or GMT date string. This results in
 <code>$cacheIsValid</code> always being false, so content is always served, but
 with an Expires header.
 <p><strong>Note:</strong> This isn\'t a conditional GET, but is useful if you\'re
diff --git a/lib/Minify.php b/lib/Minify.php
index e5005c7..63a80c8 100644
--- a/lib/Minify.php
+++ b/lib/Minify.php
@@ -96,8 +96,8 @@ class Minify {
             'lastModifiedTime' => self::$_options['lastModifiedTime']
             ,'isPublic' => self::$_options['isPublic']
         );
-        if (null !== self::$_options['cacheUntil']) {
-            $cgOptions['cacheUntil'] = self::$_options['cacheUntil'];
+        if (null !== self::$_options['setExpires']) {
+            $cgOptions['setExpires'] = self::$_options['setExpires'];
         }
         
         // check client cache
@@ -193,9 +193,7 @@ class Minify {
             ,'encodeLevel' => 9
             ,'perType' => array() // per-type minifier options
             ,'contentTypeCharset' => null // leave out of Content-Type header
-            
-            // @todo: rename option "setExpires" ?
-            ,'cacheUntil' => null // send Expires header
+            ,'setExpires' => null // send Expires header
         ), $given);
         $defaultMinifiers = array(
             'text/css' => array('Minify_CSS', 'minify')
@@ -282,9 +280,10 @@ class Minify {
         $defaultOptions = isset(self::$_options['perType'][$type])
             ? self::$_options['perType'][$type]
             : array();
+        // if minifier not set, default is no minification
         $defaultMinifier = isset(self::$_options['minifiers'][$type])
             ? self::$_options['minifiers'][$type]
-            : array('Minify', '_trim');
+            : false;
        
         if (Minify_Source::haveNoMinifyPrefs(self::$_controller->sources)) {
             // all source have same options/minifier, better performance
@@ -292,8 +291,10 @@ class Minify {
                 $pieces[] = $source->getContent();
             }
             $content = implode($implodeSeparator, $pieces);
-            self::$_controller->loadMinifier($defaultMinifier);
-            $content = call_user_func($defaultMinifier, $content, $defaultOptions);
+            if ($defaultMinifier) {
+                self::$_controller->loadMinifier($defaultMinifier);
+                $content = call_user_func($defaultMinifier, $content, $defaultOptions);    
+            }
         } else {
             // minify each source with its own options and minifier
             foreach (self::$_controller->sources as $source) {
@@ -304,9 +305,13 @@ class Minify {
                 $options = (null !== $source->minifyOptions)
                     ? array_merge($defaultOptions, $source->minifyOptions)
                     : $defaultOptions;
-                self::$_controller->loadMinifier($minifier);
-                // get source content and minify it
-                $pieces[] = call_user_func($minifier, $source->getContent(), $options); 
+                if ($defaultMinifier) {
+                    self::$_controller->loadMinifier($minifier);
+                    // get source content and minify it
+                    $pieces[] = call_user_func($minifier, $source->getContent(), $options);     
+                } else {
+                    $pieces[] = $source->getContent();     
+                }
             }
             $content = implode($implodeSeparator, $pieces);
         }
@@ -350,19 +355,4 @@ class Minify {
             ,self::$_options['perType']
         )));
     }
-    
-    /**
-     * The default minifier if content-type has no minifier
-     * 
-     * This is necessary because trim() throws notices when you send in options
-     * as a 2nd arg.
-     *
-     * @param string $content
-     * 
-     * @return string
-     */
-    private static function _trim($content, $options)
-    {
-        return trim($content);
-    }
 }
diff --git a/lib/Minify/Controller/Base.php b/lib/Minify/Controller/Base.php
index d3a0968..a6ce291 100644
--- a/lib/Minify/Controller/Base.php
+++ b/lib/Minify/Controller/Base.php
@@ -54,7 +54,7 @@ class Minify_Controller_Base {
      * 'contentTypeCharset' : if given, this will be appended to the Content-Type
      * header sent, useful mainly for HTML docs.  
      * 
-     * 'cacheUntil' : set this to a timestamp or GMT date to have Minify send
+     * 'setExpires' : set this to a timestamp or GMT date to have Minify send
      * an HTTP Expires header instead of checking for conditional GET. 
      * E.g. (time() + 86400 * 365) for 1yr (default null)
      * This has nothing to do with server-side caching.
@@ -100,7 +100,7 @@ class Minify_Controller_Base {
         if (! isset($options['contentType'])) {
             $options['contentType'] = Minify_Source::getContentType($this->sources);
         }
-        // last modified is needed for caching, even if cacheUntil is set
+        // last modified is needed for caching, even if setExpires is set
         if (! isset($options['lastModifiedTime'])) {
             $max = 0;
             foreach ($sources as $source) {
diff --git a/web/examples/1/m.php b/web/examples/1/m.php
index 4013522..ff4cce5 100644
--- a/web/examples/1/m.php
+++ b/web/examples/1/m.php
@@ -16,7 +16,7 @@ require '../../config.php';
 $serveExtensions = array('css', 'js');
 
 // set HTTP Expires header if GET 'v' is sent
-$cacheUntil = isset($_GET['v'])
+$setExpires = isset($_GET['v'])
     ? (time() + 86400 * 30)
     : null;
 
@@ -40,7 +40,7 @@ if (isset($_GET['f'])) {
         Minify::serve('Files', array(
             dirname(__FILE__) . '/' . $filename
         ), array(
-            'cacheUntil' => $cacheUntil
+            'setExpires' => $setExpires
         ));
         exit();
     }