Fixing the other RegExes as well since they were also not using the u modifier

Add the u modifier to the regexes used.

src/phpDocumentor/Reflection/DocBlock.php

@@ -99,7 +99,7 @@ class DocBlock implements \Reflector
     {
         $comment = trim(
             preg_replace(
-                '#[ \t]*(?:\/\*\*|\*\/|\*)?[ \t]{0,1}(.*)?#', '$1', $comment
+                '#[ \t]*(?:\/\*\*|\*\/|\*)?[ \t]{0,1}(.*)?#u', '$1', $comment
             )
         );
 
@@ -133,7 +133,7 @@ class DocBlock implements \Reflector
         } else {
             // clears all extra horizontal whitespace from the line endings
             // to prevent parsing issues
-            $comment = preg_replace('~(?m)\h*$~', '', $comment);
+            $comment = preg_replace('~(?m)\h*$~u', '', $comment);
 
             /*
              * Splits the docblock into a short description, long description and
@@ -173,7 +173,7 @@ class DocBlock implements \Reflector
           )
         )?
         (\s+ [\s\S]*)? # everything that follows
-        /', $comment, $matches
+        /u', $comment, $matches
             );
             array_shift($matches);
         }
@@ -330,7 +330,7 @@ class DocBlock implements \Reflector
         }
 
         $namespace = '';
-        if ($this->namespace != 'default') {
+        if ($this->namespace != 'default' && $this->namespace != 'global') {
             $namespace = rtrim($this->namespace, '\\') . '\\';
         }
 
@@ -350,21 +350,12 @@ class DocBlock implements \Reflector
             ) {
                 $type_parts = explode('\\', $item);
 
-                // if the first part is the keyword 'namespace', replace it
-                // with the current namespace
-                if ($type_parts[0] == 'namespace') {
-                    $type_parts[0] = $this->getNamespace();
-                    $item = implode('\\', $type_parts);
-                }
-
                 // if the first segment is an alias; replace with full name
                 if (isset($this->namespace_aliases[$type_parts[0]])) {
                     $type_parts[0] = $this->namespace_aliases[$type_parts[0]];
-
                     $item = implode('\\', $type_parts);
-                } elseif (count($type_parts) == 1) {
-                    // prefix the item with the namespace if there is only one
-                    // part and no alias
+                } else {
+                    // otherwise prepend the current namespace
                     $item = $namespace . $item;
                 }
             }

src/phpDocumentor/Reflection/DocBlock/LongDescription.php

@@ -35,7 +35,7 @@ class LongDescription implements \Reflector
      */
     public function __construct($content)
     {
-        if (preg_match('/\{\@(.+?)\}/', $content, $matches)) {
+        if (preg_match('/\{\@(.+?)\}/u', $content, $matches)) {
             array_shift($matches);
             foreach ($matches as $tag) {
                 $this->tags[] = Tag::createInstance('@' . $tag);

src/phpDocumentor/Reflection/DocBlock/Tag/ParamTag.php

@@ -79,7 +79,7 @@ class ParamTag extends Tag
      */
     public function getType()
     {
-        return $this->type;
+        return $this->docblock->expandType($this->type);
     }
 
     /**