* i18n/L10n and translator documentation updates.

* whitespace and indentation updates

29 files changed, 50 insertions, 119 deletions

diff --git a/lib/accountsettingsaction.php b/lib/accountsettingsaction.php
index 57740f8b8..7991c9002 100644
--- a/lib/accountsettingsaction.php
+++ b/lib/accountsettingsaction.php
@@ -44,7 +44,6 @@ require_once INSTALLDIR.'/lib/settingsaction.php';
  *
  * @see      Widget
  */
-
 class AccountSettingsAction extends SettingsAction
 {
     /**
@@ -54,7 +53,6 @@ class AccountSettingsAction extends SettingsAction
      *
      * @return void
      */
-
     function showLocalNav()
     {
         $menu = new AccountSettingsNav($this);
@@ -73,7 +71,6 @@ class AccountSettingsAction extends SettingsAction
  *
  * @see      HTMLOutputter
  */
-
 class AccountSettingsNav extends Widget
 {
     var $action = null;
@@ -83,7 +80,6 @@ class AccountSettingsNav extends Widget
      *
      * @param Action $action current action, used for output
      */
-
     function __construct($action=null)
     {
         parent::__construct($action);
@@ -95,7 +91,6 @@ class AccountSettingsNav extends Widget
      *
      * @return void
      */
-
     function show()
     {
         $action_name = $this->action->trimmed('action');
diff --git a/lib/action.php b/lib/action.php
index 5482ac377..ddc058d41 100644
--- a/lib/action.php
+++ b/lib/action.php
@@ -314,7 +314,6 @@ class Action extends HTMLOutputter // lawsuit
      *
      * @return nothing
      */
-
     function showFeeds()
     {
         $feeds = $this->getFeeds();
@@ -710,7 +709,6 @@ class Action extends HTMLOutputter // lawsuit
      *
      * @return nothing
      */
-
     function showAside()
     {
         $this->elementStart('div', array('id' => 'aside_primary',
@@ -731,7 +729,6 @@ class Action extends HTMLOutputter // lawsuit
      *
      * @return void
      */
-
     function showExportData()
     {
         $feeds = $this->getFeeds();
@@ -807,6 +804,7 @@ class Action extends HTMLOutputter // lawsuit
                             // TRANS: Secondary navigation menu option leading to contact information on the StatusNet site.
                             _('Contact'));
             $this->menuItem(common_local_url('doc', array('title' => 'badge')),
+                            // TRANS: Secondary navigation menu option.
                             _('Badge'));
             Event::handle('EndSecondaryNav', array($this));
         }
@@ -954,7 +952,6 @@ class Action extends HTMLOutputter // lawsuit
      *
      * @return boolean is read only action?
      */
-
     function isReadOnly($args)
     {
         return false;
@@ -1053,7 +1050,6 @@ class Action extends HTMLOutputter // lawsuit
      *
      * @return boolean is read only action?
      */
-
     function isCacheable()
     {
         return true;
@@ -1067,7 +1063,6 @@ class Action extends HTMLOutputter // lawsuit
      *
      * @return boolean
      */
-
     function _hasEtag($etag, $if_none_match)
     {
         $etags = explode(',', $if_none_match);
@@ -1107,7 +1102,6 @@ class Action extends HTMLOutputter // lawsuit
      *
      * @return integer integer value
      */
-
     function int($key, $defValue=null, $maxValue=null, $minValue=null)
     {
         $arg = strtolower($this->trimmed($key));
@@ -1135,7 +1129,6 @@ class Action extends HTMLOutputter // lawsuit
      *
      * @return nothing
      */
-
     function serverError($msg, $code=500)
     {
         $action = $this->trimmed('action');
@@ -1151,7 +1144,6 @@ class Action extends HTMLOutputter // lawsuit
      *
      * @return nothing
      */
-
     function clientError($msg, $code=400)
     {
         $action = $this->trimmed('action');
@@ -1164,7 +1156,6 @@ class Action extends HTMLOutputter // lawsuit
      *
      * @return string current URL
      */
-
     function selfUrl()
     {
         list($action, $args) = $this->returnToArgs();
@@ -1176,7 +1167,6 @@ class Action extends HTMLOutputter // lawsuit
      *
      * @return array two elements: action, other args
      */
-
     function returnToArgs()
     {
         $action = $this->trimmed('action');
@@ -1283,7 +1273,6 @@ class Action extends HTMLOutputter // lawsuit
      *
      * @return array Feed object to show in head and links
      */
-
     function getFeeds()
     {
         return null;
@@ -1294,7 +1283,6 @@ class Action extends HTMLOutputter // lawsuit
      *
      * @return Design a design object to use
      */
-
     function getDesign()
     {
         return Design::siteDesign();
@@ -1308,7 +1296,6 @@ class Action extends HTMLOutputter // lawsuit
      *
      * @return void
      */
-
     // XXX: Finding this type of check with the same message about 50 times.
     //      Possible to refactor?
     function checkSessionToken()
diff --git a/lib/activity.php b/lib/activity.php
index f19f10e34..e974ca991 100644
--- a/lib/activity.php
+++ b/lib/activity.php
@@ -48,7 +48,6 @@ if (!defined('STATUSNET')) {
  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
  * @link      http://status.net/
  */
-
 class Activity
 {
     const SPEC   = 'http://activitystrea.ms/spec/1.0/';
@@ -108,7 +107,6 @@ class Activity
      * @param DOMElement $entry Atom entry to poke at
      * @param DOMElement $feed  Atom feed, for context
      */
-
     function __construct($entry = null, $feed = null)
     {
         if (is_null($entry)) {
@@ -133,6 +131,7 @@ class Activity
                    $entry->localName == 'item') {
             $this->_fromRssItem($entry, $feed);
         } else {
+            // Low level exception. No need for i18n.
             throw new Exception("Unknown DOM element: {$entry->namespaceURI} {$entry->localName}");
         }
     }
@@ -313,7 +312,6 @@ class Activity
      *
      * @return DOMElement Atom entry
      */
-
     function toAtomEntry()
     {
         return null;
diff --git a/lib/activityobject.php b/lib/activityobject.php
index 95615d581..52733c47a 100644
--- a/lib/activityobject.php
+++ b/lib/activityobject.php
@@ -49,7 +49,6 @@ if (!defined('STATUSNET')) {
  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
  * @link      http://status.net/
  */
-
 class ActivityObject
 {
     const ARTICLE   = 'http://activitystrea.ms/schema/1.0/article';
@@ -116,7 +115,6 @@ class ActivityObject
      *
      * @param DOMElement $element DOM thing to turn into an Activity thing
      */
-
     function __construct($element = null)
     {
         if (empty($element)) {
@@ -216,8 +214,7 @@ class ActivityObject
         }
     }
 
-    // @fixme rationalize with Activity::_fromRssItem()
-
+    // @todo FIXME: rationalize with Activity::_fromRssItem()
     private function _fromRssItem($item)
     {
         $this->title = ActivityUtils::childContent($item, ActivityObject::TITLE, Activity::RSS);
diff --git a/lib/activityutils.php b/lib/activityutils.php
index b975a6382..c462514c4 100644
--- a/lib/activityutils.php
+++ b/lib/activityutils.php
@@ -82,13 +82,11 @@ class ActivityUtils
         $els = $element->childNodes;
 
         foreach ($els as $link) {
-
             if (!($link instanceof DOMElement)) {
                 continue;
             }
 
             if ($link->localName == self::LINK && $link->namespaceURI == self::ATOM) {
-
                 $linkRel = $link->getAttribute(self::REL);
                 $linkType = $link->getAttribute(self::TYPE);
 
@@ -109,7 +107,6 @@ class ActivityUtils
 
         foreach ($els as $link) {
             if ($link->localName == self::LINK && $link->namespaceURI == self::ATOM) {
-
                 $linkRel = $link->getAttribute(self::REL);
                 $linkType = $link->getAttribute(self::TYPE);
 
diff --git a/lib/adminform.php b/lib/adminform.php
index 9b0e45f8a..1ecb02435 100644
--- a/lib/adminform.php
+++ b/lib/adminform.php
@@ -79,5 +79,4 @@ class AdminForm extends Form
         }
         return $value;
     }
-
 }
diff --git a/lib/apiaction.php b/lib/apiaction.php
index 0074b7dc5..0ebf88282 100644
--- a/lib/apiaction.php
+++ b/lib/apiaction.php
@@ -462,7 +462,6 @@ class ApiAction extends Action
         $entry = array();
 
         if (Event::handle('StartRssEntryArray', array($notice, &$entry))) {
-
             $profile = $notice->getProfile();
 
             // We trim() to avoid extraneous whitespace in the output
@@ -552,7 +551,6 @@ class ApiAction extends Action
         $notifications = false;
 
         if ($source->isSubscribed($target)) {
-
             $sub = Subscription::pkeyGet(array('subscriber' =>
                 $source->id, 'subscribed' => $target->id));
 
@@ -738,7 +736,6 @@ class ApiAction extends Action
 
     function showXmlTimeline($notice)
     {
-
         $this->initDocument('xml');
         $this->elementStart('statuses', array('type' => 'array',
                                               'xmlns:statusnet' => 'http://status.net/schema/api/1/'));
@@ -763,7 +760,6 @@ class ApiAction extends Action
 
     function showRssTimeline($notice, $title, $link, $subtitle, $suplink = null, $logo = null, $self = null)
     {
-
         $this->initDocument('rss');
 
         $this->element('title', null, $title);
@@ -819,7 +815,6 @@ class ApiAction extends Action
 
     function showAtomTimeline($notice, $title, $id, $link, $subtitle=null, $suplink=null, $selfuri=null, $logo=null)
     {
-
         $this->initDocument('atom');
 
         $this->element('title', null, $title);
@@ -863,7 +858,6 @@ class ApiAction extends Action
 
     function showRssGroups($group, $title, $link, $subtitle)
     {
-
         $this->initDocument('rss');
 
         $this->element('title', null, $title);
@@ -1362,7 +1356,6 @@ class ApiAction extends Action
     function getTargetUser($id)
     {
         if (empty($id)) {
-
             // Twitter supports these other ways of passing the user ID
             if (is_numeric($this->arg('id'))) {
                 return User::staticGet($this->arg('id'));
diff --git a/lib/apibareauth.php b/lib/apibareauth.php
index 00e0f205b..043181b07 100644
--- a/lib/apibareauth.php
+++ b/lib/apibareauth.php
@@ -62,7 +62,6 @@ require_once INSTALLDIR.'/lib/apiauth.php';
  */
 class ApiBareAuthAction extends ApiAuthAction
 {
-
     /**
      * Take arguments for running
      *
diff --git a/lib/apioauthstore.php b/lib/apioauthstore.php
index 01116ad3e..eca93866f 100644
--- a/lib/apioauthstore.php
+++ b/lib/apioauthstore.php
@@ -149,7 +149,6 @@ class ApiStatusNetOAuthDataStore extends StatusNetOAuthDataStore
                 // Okay, good
                 return new OAuthToken($at->tok, $at->secret);
             }
-
         } else {
             return null;
         }
@@ -173,10 +172,12 @@ class ApiStatusNetOAuthDataStore extends StatusNetOAuthDataStore
         $rt->tok = $token_key;
         $rt->type = $type;
         $rt->state = 0;
+
         if (!$rt->find(true)) {
             // TRANS: Exception thrown when an attempt is made to revoke an unknown token.
             throw new Exception(_('Tried to revoke unknown token.'));
         }
+
         if (!$rt->delete()) {
             // TRANS: Exception thrown when an attempt is made to remove a revoked token.
             throw new Exception(_('Failed to delete revoked token.'));
diff --git a/lib/applicationeditform.php b/lib/applicationeditform.php
index 224b6eaa1..f53c31feb 100644
--- a/lib/applicationeditform.php
+++ b/lib/applicationeditform.php
@@ -197,7 +197,8 @@ class ApplicationEditForm extends Form
         $maxDesc = Oauth_application::maxDesc();
         if ($maxDesc > 0) {
             // TRANS: Form input field instructions.
-            $descInstr = sprintf(_('Describe your application in %d characters'),
+            // TRANS: %d is the number of available characters for the description.
+            $descInstr = sprintf(ngettext('Describe your application in %d character','Describe your application in %d characters',$maxDesc),
                                  $maxDesc);
         } else {
             // TRANS: Form input field instructions.
diff --git a/lib/applicationlist.php b/lib/applicationlist.php
index 1974d2103..8b6e3a8ad 100644
--- a/lib/applicationlist.php
+++ b/lib/applicationlist.php
@@ -1,5 +1,4 @@
 <?php
-
 /**
  * StatusNet, the distributed open-source microblogging tool
  *
@@ -139,7 +138,7 @@ class ApplicationList extends Widget
             $access = ($this->application->access_type & Oauth_application::$writeAccess)
               ? $readWriteText : $readOnlyText;
             $modifiedDate = common_date_string($appUser->modified);
-            // TRANS: Used in application list. %1$s is a modified date, %2$s is access type (read-write or read-only)
+            // TRANS: Used in application list. %1$s is a modified date, %2$s is access type ("read-write" or "read-only")
             $txt = sprintf(_('Approved %1$s - "%2$s" access.'),$modifiedDate,$access);
 
             $this->out->raw($txt);
diff --git a/lib/atom10feed.php b/lib/atom10feed.php
index a46d49f35..3ae9dc81b 100644
--- a/lib/atom10feed.php
+++ b/lib/atom10feed.php
@@ -109,7 +109,7 @@ class Atom10Feed extends XMLStringer
             $xs->element('name', null, $name);
         } else {
             throw new Atom10FeedException(
-                'author element must contain a name element.'
+                _('author element must contain a name element.')
             );
         }
 
@@ -323,5 +323,4 @@ class Atom10Feed extends XMLStringer
 
         array_push($this->links, $attrs);
     }
-
 }
diff --git a/lib/atomusernoticefeed.php b/lib/atomusernoticefeed.php
index 34a187017..ec368f5ca 100644
--- a/lib/atomusernoticefeed.php
+++ b/lib/atomusernoticefeed.php
@@ -55,7 +55,6 @@ class AtomUserNoticeFeed extends AtomNoticeFeed
      *
      * @return void
      */
-
     function __construct($user, $cur = null, $indent = true) {
         parent::__construct($cur, $indent);
         $this->user = $user;
diff --git a/lib/attachmentlist.php b/lib/attachmentlist.php
index 59cab9532..f6b09fb49 100644
--- a/lib/attachmentlist.php
+++ b/lib/attachmentlist.php
@@ -49,7 +49,6 @@ if (!defined('STATUSNET') && !defined('LACONICA')) {
  * @see      NoticeListItem
  * @see      ProfileNoticeList
  */
-
 class AttachmentList extends Widget
 {
     /** the current stream of notices being displayed. */
@@ -61,7 +60,6 @@ class AttachmentList extends Widget
      *
      * @param Notice $notice stream of notices from DB_DataObject
      */
-
     function __construct($notice, $out=null)
     {
         parent::__construct($out);
@@ -76,7 +74,6 @@ class AttachmentList extends Widget
      *
      * @return int count of notices listed.
      */
-
     function show()
     {
         $atts = new File;
@@ -111,7 +108,6 @@ class AttachmentList extends Widget
      *
      * @return NoticeListItem a list item for displaying the notice
      */
-
     function newListItem($attachment)
     {
         return new AttachmentListItem($attachment, $this->out);
@@ -135,7 +131,6 @@ class AttachmentList extends Widget
  * @see      NoticeList
  * @see      ProfileNoticeListItem
  */
-
 class AttachmentListItem extends Widget
 {
     /** The attachment this item will show. */
@@ -151,7 +146,6 @@ class AttachmentListItem extends Widget
      *
      * @param Notice $notice The notice we'll display
      */
-
     function __construct($attachment, $out=null)
     {
         parent::__construct($out);
@@ -185,7 +179,6 @@ class AttachmentListItem extends Widget
      *
      * @return void
      */
-
     function show()
     {
         $this->showStart();
@@ -221,7 +214,6 @@ class AttachmentListItem extends Widget
      *
      * @return void
      */
-
     function showStart()
     {
         // XXX: RDFa
@@ -236,7 +228,6 @@ class AttachmentListItem extends Widget
      *
      * @return void
      */
-
     function showEnd()
     {
         $this->out->elementEnd('li');
@@ -257,7 +248,7 @@ class Attachment extends AttachmentListItem
         $this->out->elementEnd('div');
 
         if (!empty($this->oembed->author_name) || !empty($this->oembed->provider)) {
-            $this->out->elementStart('div', array('id' => 'oembed_info', 
+            $this->out->elementStart('div', array('id' => 'oembed_info',
                                                   'class' => 'entry-content'));
             if (!empty($this->oembed->author_name)) {
                 $this->out->elementStart('dl', 'vcard author');
@@ -438,4 +429,3 @@ class Attachment extends AttachmentListItem
         $this->out->raw('<script>window.location = ' . json_encode($this->attachment->url) . ';</script>');
     }
 }
-
diff --git a/lib/attachmentnoticesection.php b/lib/attachmentnoticesection.php
index 53a3b63c1..25e64adf9 100644
--- a/lib/attachmentnoticesection.php
+++ b/lib/attachmentnoticesection.php
@@ -42,7 +42,6 @@ if (!defined('STATUSNET') && !defined('LACONICA')) {
  * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  * @link     http://status.net/
  */
-
 class AttachmentNoticeSection extends NoticeSection
 {
     function showContent() {
@@ -59,7 +58,7 @@ class AttachmentNoticeSection extends NoticeSection
         $notice->orderBy('created desc');
         $notice->selectAdd('post_id as id');
         $notice->find();
-        return $notice; 
+        return $notice;
     }
 
     function title()
@@ -73,4 +72,3 @@ class AttachmentNoticeSection extends NoticeSection
         return 'popular_notices';
     }
 }
-
diff --git a/lib/attachmenttagcloudsection.php b/lib/attachmenttagcloudsection.php
index 15aa6dedc..2c8fc5ee1 100644
--- a/lib/attachmenttagcloudsection.php
+++ b/lib/attachmenttagcloudsection.php
@@ -40,7 +40,6 @@ if (!defined('STATUSNET') && !defined('LACONICA')) {
  * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  * @link     http://status.net/
  */
-
 class AttachmentTagCloudSection extends TagCloudSection
 {
     function title()
@@ -81,4 +80,3 @@ class AttachmentTagCloudSection extends TagCloudSection
         return $notice_tag;
     }
 }
-
diff --git a/lib/authenticationplugin.php b/lib/authenticationplugin.php
index dbdf20629..5e878c155 100644
--- a/lib/authenticationplugin.php
+++ b/lib/authenticationplugin.php
@@ -40,12 +40,11 @@ if (!defined('STATUSNET') && !defined('LACONICA')) {
  * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  * @link     http://status.net/
  */
-
 abstract class AuthenticationPlugin extends Plugin
 {
     //is this plugin authoritative for authentication?
     public $authoritative = false;
-    
+
     //should accounts be automatically created after a successful login attempt?
     public $autoregistration = false;
 
@@ -218,12 +217,14 @@ abstract class AuthenticationPlugin extends Plugin
                         //stop handling of other handlers, because what was requested was done
                         return false;
                     }else{
-                        throw new Exception(_('Password changing failed'));
+                        // TRANS: Exception thrown when a password change fails.
+                        throw new Exception(_('Password changing failed.'));
                     }
                 }else{
                     if($this->authoritative){
                         //since we're authoritative, no other plugin could do this
-                        throw new Exception(_('Password changing failed'));
+                        // TRANS: Exception thrown when a password change fails.
+                        throw new Exception(_('Password changing failed.'));
                     }else{
                         //let another handler try
                         return null;
@@ -233,7 +234,8 @@ abstract class AuthenticationPlugin extends Plugin
         }else{
             if($this->authoritative){
                 //since we're authoritative, no other plugin could do this
-                throw new Exception(_('Password changing is not allowed'));
+                // TRANS: Exception thrown when a password change attempt fails because it is not allowed.
+                throw new Exception(_('Password changing is not allowed.'));
             }
         }
     }
@@ -267,4 +269,3 @@ abstract class AuthenticationPlugin extends Plugin
         return true;
     }
 }
-
diff --git a/lib/authorizationplugin.php b/lib/authorizationplugin.php
index d71f77243..dda604add 100644
--- a/lib/authorizationplugin.php
+++ b/lib/authorizationplugin.php
@@ -40,7 +40,6 @@ if (!defined('STATUSNET') && !defined('LACONICA')) {
  * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  * @link     http://status.net/
  */
-
 abstract class AuthorizationPlugin extends Plugin
 {
     //is this plugin authoritative for authorization?
@@ -103,4 +102,3 @@ abstract class AuthorizationPlugin extends Plugin
         }
     }
 }
-
diff --git a/lib/blockform.php b/lib/blockform.php
index 54552b3e5..1af5e8cfd 100644
--- a/lib/blockform.php
+++ b/lib/blockform.php
@@ -44,7 +44,6 @@ if (!defined('STATUSNET') && !defined('LACONICA')) {
  *
  * @see      UnblockForm
  */
-
 class BlockForm extends ProfileActionForm
 {
     /**
@@ -63,7 +62,6 @@ class BlockForm extends ProfileActionForm
      *
      * @return string Title of the form, internationalized
      */
-
     function title()
     {
         // TRANS: Title for the form to block a user.
@@ -75,7 +73,6 @@ class BlockForm extends ProfileActionForm
      *
      * @return string description of the form, internationalized
      */
-
     function description()
     {
         // TRANS: Description of the form to block a user.
diff --git a/lib/cache.php b/lib/cache.php
index c09a1dd9f..ea0ff769d 100644
--- a/lib/cache.php
+++ b/lib/cache.php
@@ -41,7 +41,6 @@
  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
  * @link      http://status.net/
  */
-
 class Cache
 {
     var $_items   = array();
@@ -56,7 +55,6 @@ class Cache
      *
      * @return Cache cache object
      */
-
     static function instance()
     {
         if (is_null(self::$_inst)) {
@@ -77,7 +75,6 @@ class Cache
      *
      * @return string full key
      */
-
     static function key($extra)
     {
         $base_key = common_config('cache', 'base');
@@ -98,7 +95,6 @@ class Cache
      *
      * @return string keyized string
      */
-
     static function keyize($str)
     {
         $str = strtolower($str);
@@ -115,7 +111,6 @@ class Cache
      *
      * @return string retrieved value or null if unfound
      */
-
     function get($key)
     {
         $value = false;
@@ -140,7 +135,6 @@ class Cache
      *
      * @return boolean success flag
      */
-
     function set($key, $value, $flag=null, $expiry=null)
     {
         $success = false;
@@ -192,7 +186,6 @@ class Cache
      *
      * @return boolean success flag
      */
-
     function delete($key)
     {
         $success = false;
@@ -214,7 +207,6 @@ class Cache
      *
      * @return boolean success flag
      */
-
     function reconnect()
     {
         $success = false;
diff --git a/lib/channel.php b/lib/channel.php
index 689bca0be..fbc2e8697 100644
--- a/lib/channel.php
+++ b/lib/channel.php
@@ -19,6 +19,9 @@
 
 if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
 
+/**
+ * @todo Needs documentation.
+ */
 class Channel
 {
     function on($user)
@@ -68,7 +71,6 @@ class CLIChannel extends Channel
 
 class XMPPChannel extends Channel
 {
-
     var $conn = null;
 
     function source()
@@ -154,6 +156,7 @@ class WebChannel extends Channel
         #      depending on what command was run
         $this->out->startHTML();
         $this->out->elementStart('head');
+        // TRANS: Title for command results.
         $this->out->element('title', null, _('Command results'));
         $this->out->elementEnd('head');
         $this->out->elementStart('body');
@@ -174,6 +177,7 @@ class AjaxWebChannel extends WebChannel
     {
         $this->out->startHTML('text/xml;charset=utf-8');
         $this->out->elementStart('head');
+        // TRANS: Title for command results.
         $this->out->element('title', null, _('Command results'));
         $this->out->elementEnd('head');
         $this->out->elementStart('body');
@@ -186,7 +190,8 @@ class AjaxWebChannel extends WebChannel
     {
         $this->out->startHTML('text/xml;charset=utf-8');
         $this->out->elementStart('head');
-        $this->out->element('title', null, _('Ajax Error'));
+        // TRANS: Title for command results.
+        $this->out->element('title', null, _('AJAX error'));
         $this->out->elementEnd('head');
         $this->out->elementStart('body');
         $this->out->element('p', array('id' => 'error'), $text);
@@ -197,7 +202,6 @@ class AjaxWebChannel extends WebChannel
 
 class MailChannel extends Channel
 {
-
     var $addr = null;
 
     function source()
@@ -222,10 +226,10 @@ class MailChannel extends Channel
 
     function output($user, $text)
     {
-
         $headers['From'] = $user->incomingemail;
         $headers['To'] = $this->addr;
 
+        // TRANS: E-mail subject when a command has completed.
         $headers['Subject'] = _('Command complete');
 
         return mail_send(array($this->addr), $headers, $text);
@@ -233,10 +237,10 @@ class MailChannel extends Channel
 
     function error($user, $text)
     {
-
         $headers['From'] = $user->incomingemail;
         $headers['To'] = $this->addr;
 
+        // TRANS: E-mail subject when a command has failed.
         $headers['Subject'] = _('Command failed');
 
         return mail_send(array($this->addr), $headers, $text);
diff --git a/lib/clienterroraction.php b/lib/clienterroraction.php
index 1b98a1064..08bced5bd 100644
--- a/lib/clienterroraction.php
+++ b/lib/clienterroraction.php
@@ -1,5 +1,4 @@
 <?php
-
 /**
  * Client error action.
  *
diff --git a/lib/clientexception.php b/lib/clientexception.php
index 01c013a01..a74cab4a5 100644
--- a/lib/clientexception.php
+++ b/lib/clientexception.php
@@ -42,7 +42,6 @@ if (!defined('STATUSNET') && !defined('LACONICA')) {
  * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  * @link     http://status.net/
  */
-
 class ClientException extends Exception
 {
     public function __construct($message = null, $code = 400) {
diff --git a/lib/columndef.php b/lib/columndef.php
index ac2fcd23e..b21b30e0d 100644
--- a/lib/columndef.php
+++ b/lib/columndef.php
@@ -40,7 +40,6 @@ if (!defined('STATUSNET')) {
  * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  * @link     http://status.net/
  */
-
 class ColumnDef
 {
     /** name of the column. */
@@ -76,7 +75,6 @@ class ColumnDef
      * @param value   $extra    unused
      * @param boolean $auto_increment
      */
-
     function __construct($name=null, $type=null, $size=null,
                          $nullable=true, $key=null, $default=null,
                          $extra=null, $auto_increment=false)
@@ -99,7 +97,6 @@ class ColumnDef
      *
      * @return boolean true if equivalent, otherwise false.
      */
-
     function equals($other)
     {
         return ($this->name == $other->name &&
@@ -122,7 +119,6 @@ class ColumnDef
      *
      * @return boolean true if they're about equivalent
      */
-
     private function _typeMatch($other)
     {
         switch ($this->type) {
@@ -145,7 +141,6 @@ class ColumnDef
      *
      * @return boolean true if defaults are effectively the same.
      */
-
     private function _defaultMatch($other)
     {
         return ((is_null($this->default) && is_null($other->default)) ||
@@ -160,7 +155,6 @@ class ColumnDef
      *
      * @return boolean true if these columns 'null' the same.
      */
-
     private function _nullMatch($other)
     {
         return ((!is_null($this->default) && !is_null($other->default) &&
diff --git a/lib/command.php b/lib/command.php
index b1f95fcb6..658262a09 100644
--- a/lib/command.php
+++ b/lib/command.php
@@ -23,7 +23,6 @@ require_once(INSTALLDIR.'/lib/channel.php');
 
 class Command
 {
-
     var $user = null;
 
     function __construct($user=null)
@@ -49,7 +48,6 @@ class Command
         }
     }
 
-
     /**
      * Override this with the meat!
      *
@@ -313,7 +311,6 @@ class FavCommand extends Command
         // TRANS: Text shown when a notice has been marked as favourite successfully.
         $channel->output($this->user, _('Notice marked as fave.'));
     }
-
 }
 
 class JoinCommand extends Command
@@ -361,8 +358,8 @@ class JoinCommand extends Command
                                               $cur->nickname,
                                               $group->nickname));
     }
-
 }
+
 class DropCommand extends Command
 {
     var $other = null;
@@ -409,7 +406,6 @@ class DropCommand extends Command
                                               $cur->nickname,
                                               $group->nickname));
     }
-
 }
 
 class WhoisCommand extends Command
@@ -471,6 +467,7 @@ class MessageCommand extends Command
                 throw $e;
             }
             // TRANS: Command exception text shown when trying to send a direct message to a remote user (a user not registered at the current server).
+            // TRANS: %s is a remote profile.
             throw new CommandException(sprintf(_('%s is a remote profile; you can only send direct messages to users on the same server.'), $this->other));
         }
 
@@ -611,7 +608,6 @@ class ReplyCommand extends Command
 
 class GetCommand extends Command
 {
-
     var $other = null;
 
     function __construct($user, $other)
@@ -638,7 +634,6 @@ class GetCommand extends Command
 
 class SubCommand extends Command
 {
-
     var $other = null;
 
     function __construct($user, $other)
@@ -678,7 +673,6 @@ class SubCommand extends Command
 
 class UnsubCommand extends Command
 {
-
     var $other = null;
 
     function __construct($user, $other)
@@ -712,6 +706,7 @@ class UnsubCommand extends Command
 class OffCommand extends Command
 {
     var $other = null;
+
     function __construct($user, $other=null)
     {
         parent::__construct($user);
diff --git a/lib/commandinterpreter.php b/lib/commandinterpreter.php
index fbc6174bb..c288c2e5f 100644
--- a/lib/commandinterpreter.php
+++ b/lib/commandinterpreter.php
@@ -272,7 +272,7 @@ class CommandInterpreter
             return false;
         }
     }
-    
+
     /**
      * Split arguments without triggering a PHP notice warning
      */
@@ -285,4 +285,3 @@ class CommandInterpreter
         return $pieces;
     }
 }
-
diff --git a/lib/common.php b/lib/common.php
index e08d530f0..236f2d68a 100644
--- a/lib/common.php
+++ b/lib/common.php
@@ -132,11 +132,17 @@ try {
 } catch (NoConfigException $e) {
     // XXX: Throw a conniption if database not installed
     // XXX: Find a way to use htmlwriter for this instead of handcoded markup
+    // TRANS: Error message displayed when no configuration file was found for a StatusNet installation.
     echo '<p>'. _('No configuration file found. ') .'</p>';
-    echo '<p>'. _('I looked for configuration files in the following places: ') .'<br/> ';
-    echo implode($e->configFiles, '<br/>');
+    // TRANS: Error message displayed when no configuration file was found for a StatusNet installation.
+    // TRANS: Is followed by a list of directories (separated by HTML breaks).
+    echo '<p>'. _('I looked for configuration files in the following places: ') .'<br /> ';
+    echo implode($e->configFiles, '<br />');
+    // TRANS: Error message displayed when no configuration file was found for a StatusNet installation.
     echo '<p>'. _('You may wish to run the installer to fix this.') .'</p>';
+    // @todo FIXME Link should be in a para?
+    // TRANS: Error message displayed when no configuration file was found for a StatusNet installation.
+    // TRANS: The text is link text that leads to the installer page.
     echo '<a href="install.php">'. _('Go to the installer.') .'</a>';
     exit;
 }
-
diff --git a/lib/connectsettingsaction.php b/lib/connectsettingsaction.php
index b9c14799e..bb2e86176 100644
--- a/lib/connectsettingsaction.php
+++ b/lib/connectsettingsaction.php
@@ -44,7 +44,6 @@ require_once INSTALLDIR.'/lib/settingsaction.php';
  *
  * @see      Widget
  */
-
 class ConnectSettingsAction extends SettingsAction
 {
     /**
@@ -54,7 +53,6 @@ class ConnectSettingsAction extends SettingsAction
      *
      * @return void
      */
-
     function showLocalNav()
     {
         $menu = new ConnectSettingsNav($this);
@@ -73,7 +71,6 @@ class ConnectSettingsAction extends SettingsAction
  *
  * @see      HTMLOutputter
  */
-
 class ConnectSettingsNav extends Widget
 {
     var $action = null;
@@ -83,7 +80,6 @@ class ConnectSettingsNav extends Widget
      *
      * @param Action $action current action, used for output
      */
-
     function __construct($action=null)
     {
         parent::__construct($action);
@@ -95,7 +91,6 @@ class ConnectSettingsNav extends Widget
      *
      * @return void
      */
-
     function show()
     {
         $action_name = $this->action->trimmed('action');
@@ -107,17 +102,23 @@ class ConnectSettingsNav extends Widget
             $menu = array();
             if (common_config('xmpp', 'enabled')) {
                 $menu['imsettings'] =
-                  array(_('IM'),
+                  // TRANS: Menu item for Instant Messaging settings.
+                  array(_m('MENU','IM'),
+                        // TRANS: Tooltip for Instant Messaging menu item.
                         _('Updates by instant messenger (IM)'));
             }
             if (common_config('sms', 'enabled')) {
                 $menu['smssettings'] =
-                  array(_('SMS'),
+                  // TRANS: Menu item for Short Message Service settings.
+                  array(_m('MENU','SMS'),
+                        // TRANS: Tooltip for Short Message Service menu item.
                         _('Updates by SMS'));
             }
-            
+
             $menu['oauthconnectionssettings'] = array(
-                _('Connections'),
+                // TRANS: Menu item for OAth connection settings.
+                _m('MENU','Connections'),
+                // TRANS: Tooltip for connected applications (Connections through OAth) menu item.
                 _('Authorized connected applications')
             );
 
@@ -133,6 +134,4 @@ class ConnectSettingsNav extends Widget
 
         $this->action->elementEnd('ul');
     }
-
 }
-
diff --git a/lib/currentuserdesignaction.php b/lib/currentuserdesignaction.php
index c2f38cd00..490f87d13 100644
--- a/lib/currentuserdesignaction.php
+++ b/lib/currentuserdesignaction.php
@@ -44,7 +44,6 @@ if (!defined('STATUSNET') && !defined('LACONICA')) {
  * @link     http://status.net/
  *
  */
-
 class CurrentUserDesignAction extends Action
 {
     /**
@@ -54,7 +53,6 @@ class CurrentUserDesignAction extends Action
      *
      * @return Design a design object to use
      */
-
     function getDesign()
     {
         $cur = common_current_user();