diff --git a/inc/caldav-BIND.php b/inc/caldav-BIND.php
index bd7876c3..4736d157 100644
--- a/inc/caldav-BIND.php
+++ b/inc/caldav-BIND.php
@@ -48,26 +48,26 @@ if ( $destination->Exists() ) {
 }
 
 //  external binds shouldn't ever point back to ourselves but they should be a valid http[s] url
-if ( preg_match ( '{^https?://([^/]+)(:[0-9]\+)?/.+$}', $href, $matches ) && 
-    strcasecmp( $matches[0], 'localhost' ) !== 0 && strcasecmp( $matches[0], '127.0.0.1' ) !== 0 
-    && strcasecmp( $matches[0], $_SERVER['SERVER_NAME'] ) !== 0 && strcasecmp( $matches[0], $_SERVER['SERVER_ADDR'] ) !== 0 ) {
-	require_once('external-fetch.php');
-	$qry = new AwlQuery( );
+if ( preg_match ( '{^https?://([^/]+)(:[0-9]\+)?/.+$}', $href, $matches ) 
+      && strcasecmp( $matches[0], 'localhost' ) !== 0 && strcasecmp( $matches[0], '127.0.0.1' ) !== 0 
+      && strcasecmp( $matches[0], $_SERVER['SERVER_NAME'] ) !== 0 && strcasecmp( $matches[0], $_SERVER['SERVER_ADDR'] ) !== 0 ) {
+  require_once('external-fetch.php');
+  $qry = new AwlQuery( );
   $qry->QDo('SELECT collection_id FROM collection WHERE dav_name = :dav_name ', array( ':dav_name' => '/.external/'. md5($href) ));
   if ( $qry->rows() == 1 && ($row = $qry->Fetch()) ) {
-		$dav_id = $row->dav_id;
-	}
-	else {
-		create_external ( '/.external/'. md5($href) ,true,false );
-	  $qry->QDo('SELECT collection_id FROM collection WHERE dav_name = :dav_name ', array( ':dav_name' => '/.external/'. md5($href) ));
-	  if ( $qry->rows() != 1 || !($row = $qry->Fetch()) ) 
-			$request->DoResponse(500,translate('Database Error'));
-		$dav_id = $row->collection_id;
-	}
+    $dav_id = $row->collection_id;
+  }
+  else {
+    create_external ( '/.external/'. md5($href) ,true,false );
+    $qry->QDo('SELECT collection_id FROM collection WHERE dav_name = :dav_name ', array( ':dav_name' => '/.external/'. md5($href) ));
+    if ( $qry->rows() != 1 || !($row = $qry->Fetch()) ) 
+      $request->DoResponse(500,translate('Database Error'));
+    $dav_id = $row->collection_id;
+  }
 
-	$sql = 'INSERT INTO dav_binding ( bound_source_id, access_ticket_id, dav_owner_id, parent_container, dav_name, dav_displayname, external_url, type )
-	VALUES( :target_id, :ticket_id, :session_principal, :parent_container, :dav_name, :displayname, :external_url, :external_type )';
-	$params = array(
+  $sql = 'INSERT INTO dav_binding ( bound_source_id, access_ticket_id, dav_owner_id, parent_container, dav_name, dav_displayname, external_url, type )
+  VALUES( :target_id, :ticket_id, :session_principal, :parent_container, :dav_name, :displayname, :external_url, :external_type )';
+  $params = array(
       ':target_id'    => $dav_id,
       ':ticket_id'    => null,
       ':parent_container' => $parent->dav_name(),
@@ -77,46 +77,46 @@ if ( preg_match ( '{^https?://([^/]+)(:[0-9]\+)?/.+$}', $href, $matches ) &&
       ':external_url' => $href,
       ':external_type' => 'calendar'
   );
-	$qry = new AwlQuery( $sql, $params );
-	if ( $qry->Exec('BIND',__LINE__,__FILE__) ) {
-		$qry = new AwlQuery( 'SELECT bind_id from dav_binding where dav_name = :dav_name', array( ':dav_name' => $destination_path ) );
-	  if ( ! $qry->Exec('BIND',__LINE__,__FILE__) || $qry->rows() != 1 || !($row = $qry->Fetch()) ) 
-			$request->DoResponse(500,translate('Database Error'));
-		fetch_external ( $row->bind_id, '' );
-	  $request->DoResponse(201);
- 	} 
-	else {
-	  $request->DoResponse(500,translate('Database Error'));
-	}
+  $qry = new AwlQuery( $sql, $params );
+  if ( $qry->Exec('BIND',__LINE__,__FILE__) ) {
+    $qry = new AwlQuery( 'SELECT bind_id from dav_binding where dav_name = :dav_name', array( ':dav_name' => $destination_path ) );
+    if ( ! $qry->Exec('BIND',__LINE__,__FILE__) || $qry->rows() != 1 || !($row = $qry->Fetch()) ) 
+      $request->DoResponse(500,translate('Database Error'));
+    fetch_external ( $row->bind_id, '' );
+    $request->DoResponse(201);
+  } 
+  else {
+    $request->DoResponse(500,translate('Database Error'));
+  }
 } 
 else {
-	$source = new DAVResource( $href );
-	if ( !$source->Exists() ) {
-	  $request->PreconditionFailed(403,'DAV::bind-source-exists',translate('The BIND Request MUST identify an existing resource.'));
-	}
-
-	if ( $source->IsPrincipal() || !$source->IsCollection() ) {
-	  $request->PreconditionFailed(403,'DAV::binding-allowed',translate('DAViCal only allows BIND requests for collections at present.'));
-	}
-
-	if ( $source->IsBinding() )
-	  $source = new DAVResource( $source->bound_from() );
+  $source = new DAVResource( $href );
+  if ( !$source->Exists() ) {
+    $request->PreconditionFailed(403,'DAV::bind-source-exists',translate('The BIND Request MUST identify an existing resource.'));
+  }
+  
+  if ( $source->IsPrincipal() || !$source->IsCollection() ) {
+    $request->PreconditionFailed(403,'DAV::binding-allowed',translate('DAViCal only allows BIND requests for collections at present.'));
+  }
+  
+  if ( $source->IsBinding() )
+    $source = new DAVResource( $source->bound_from() );
 
 
-	/*
-	  bind_id INT8 DEFAULT nextval('dav_id_seq') PRIMARY KEY,
-	  bound_source_id INT8 REFERENCES collection(collection_id) ON UPDATE CASCADE ON DELETE CASCADE,
-	  access_ticket_id TEXT REFERENCES access_ticket(ticket_id) ON UPDATE CASCADE ON DELETE SET NULL,
+  /*
+    bind_id INT8 DEFAULT nextval('dav_id_seq') PRIMARY KEY,
+    bound_source_id INT8 REFERENCES collection(collection_id) ON UPDATE CASCADE ON DELETE CASCADE,
+    access_ticket_id TEXT REFERENCES access_ticket(ticket_id) ON UPDATE CASCADE ON DELETE SET NULL,
     parent_container TEXT NOT NULL,
     dav_name TEXT UNIQUE NOT NULL,
     dav_displayname TEXT,
     external_url TEXT,
     type TEXT
-	*/
+  */
 	
-	$sql = 'INSERT INTO dav_binding ( bound_source_id, access_ticket_id, dav_owner_id, parent_container, dav_name, dav_displayname )
-	VALUES( :target_id, :ticket_id, :session_principal, :parent_container, :dav_name, :displayname )';
-	$params = array(
+  $sql = 'INSERT INTO dav_binding ( bound_source_id, access_ticket_id, dav_owner_id, parent_container, dav_name, dav_displayname )
+  VALUES( :target_id, :ticket_id, :session_principal, :parent_container, :dav_name, :displayname )';
+  $params = array(
       ':target_id'    => $source->GetProperty('collection_id'),
       ':ticket_id'    => (isset($request->ticket) ? $request->ticket->id() : null),
       ':parent_container' => $parent->dav_name(),
@@ -125,17 +125,17 @@ else {
       ':displayname'  => $source->GetProperty('displayname')
   );
   $qry = new AwlQuery( $sql, $params );
-	if ( $qry->Exec('BIND',__LINE__,__FILE__) ) {
-	  header('Location: '. ConstructURL($destination_path) );
-	
-	  // Uncache anything to do with the target
-	  $cache = getCacheInstance();
-	  $cache_ns = 'collection-'.$destination_path;
-	  $cache->delete( $cache_ns, null );
-	
-	  $request->DoResponse(201);
-	}
-	else {
-	  $request->DoResponse(500,translate('Database Error'));
-	}
+  if ( $qry->Exec('BIND',__LINE__,__FILE__) ) {
+    header('Location: '. ConstructURL($destination_path) );
+  
+    // Uncache anything to do with the target
+    $cache = getCacheInstance();
+    $cache_ns = 'collection-'.$destination_path;
+    $cache->delete( $cache_ns, null );
+  
+    $request->DoResponse(201);
+  }
+  else {
+    $request->DoResponse(500,translate('Database Error'));
+  }
 }