diff --git a/backend.php b/backend.php
index 247cab38b..0e485de70 100644
--- a/backend.php
+++ b/backend.php
@@ -43,7 +43,7 @@
 
 	init_connection($link);
 
-	$subop = $_REQUEST["subop"];
+	$method = $_REQUEST["method"];
 	$mode = $_REQUEST["mode"];
 
 	if ((!$op || $op == "rss" || $op == "dlg") && !$_REQUEST["noxml"]) {
@@ -69,7 +69,7 @@
 		return;
 
 	} else if (!($_SESSION["uid"] && validate_session($link))) {
-		if ($op == 'pref-feeds' && $_REQUEST['subop'] == 'add') {
+		if ($op == 'pref-feeds' && $_REQUEST['method'] == 'add') {
 			header("Content-Type: text/html");
 			login_sequence($link);
 			render_login_form($link);
@@ -143,10 +143,10 @@
 		break; // rpc
 
 		case "feeds":
-			$subop = $_REQUEST["subop"];
+			$method = $_REQUEST["method"];
 			$root = (bool)$_REQUEST["root"];
 
-			switch($subop) {
+			switch($method) {
 				case "catchupAll":
 					db_query($link, "UPDATE ttrss_user_entries SET
 						last_read = NOW(),unread = false WHERE owner_uid = " . $_SESSION["uid"]);
@@ -254,7 +254,7 @@
 			$omode = db_escape_string($_REQUEST["omode"]);
 
 			$feed = db_escape_string($_REQUEST["feed"]);
-			$subop = db_escape_string($_REQUEST["subop"]);
+			$method = db_escape_string($_REQUEST["method"]);
 			$view_mode = db_escape_string($_REQUEST["view_mode"]);
 			$limit = (int) get_pref($link, "DEFAULT_ARTICLE_LIMIT");
 			@$cat_view = db_escape_string($_REQUEST["cat"]) == "true";
@@ -353,7 +353,7 @@
 
 			if ($_REQUEST["debug"]) $timing_info = print_checkpoint("04", $timing_info);
 
-			$ret = format_headlines_list($link, $feed, $subop,
+			$ret = format_headlines_list($link, $feed, $method,
 				$view_mode, $limit, $cat_view, $next_unread_feed, $offset,
 				$vgroup_last_feed, $override_order);
 
@@ -386,7 +386,7 @@
 				$reply['articles'] = $articles;
 			}
 
-//			if ($subop) {
+//			if ($method) {
 //				$reply['counters'] = getAllCounters($link, $omode, $feed);
 //			}
 
diff --git a/include/db.php b/include/db.php
index 0682b58f8..7a858ca70 100644
--- a/include/db.php
+++ b/include/db.php
@@ -53,7 +53,7 @@ function db_escape_string($s, $strip_tags = true) {
 
 function db_query($link, $query, $die_on_error = true) {
 	//if ($_REQUEST["qlog"])
-	//	error_log($_SESSION["uid"] . ":" . $_REQUEST["op"] . "/" . $_REQUEST["subop"] .
+	//	error_log($_SESSION["uid"] . ":" . $_REQUEST["op"] . "/" . $_REQUEST["method"] .
 	//		" $query\n", 3, "/tmp/ttrss-query.log");
 
 	if (DB_TYPE == "pgsql") {
diff --git a/include/functions.php b/include/functions.php
index 8f46c295c..28be5cbe5 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -4884,7 +4884,7 @@
 
 	}
 
-	function format_headlines_list($link, $feed, $subop, $view_mode, $limit, $cat_view,
+	function format_headlines_list($link, $feed, $method, $view_mode, $limit, $cat_view,
 					$next_unread_feed, $offset, $vgr_last_feed = false,
 					$override_order = false) {
 
@@ -4897,22 +4897,22 @@
 		$topmost_article_ids = array();
 
 		if (!$offset) $offset = 0;
-		if ($subop == "undefined") $subop = "";
+		if ($method == "undefined") $method = "";
 
-		$subop_split = explode(":", $subop);
+		$method_split = explode(":", $method);
 
-/*		if ($subop == "CatchupSelected") {
+/*		if ($method == "CatchupSelected") {
 			$ids = explode(",", db_escape_string($_REQUEST["ids"]));
 			$cmode = sprintf("%d", $_REQUEST["cmode"]);
 
 			catchupArticlesById($link, $ids, $cmode);
 		} */
 
-		if ($subop == "ForceUpdate" && $feed && is_numeric($feed) > 0) {
+		if ($method == "ForceUpdate" && $feed && is_numeric($feed) > 0) {
 			update_rss_feed($link, $feed, true);
 		}
 
-		if ($subop == "MarkAllRead")  {
+		if ($method == "MarkAllRead")  {
 			catchup_feed($link, $feed, $cat_view);
 
 			if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
@@ -4922,8 +4922,8 @@
 			}
 		}
 
-		if ($subop_split[0] == "MarkAllReadGR")  {
-			catchup_feed($link, $subop_split[1], false);
+		if ($method_split[0] == "MarkAllReadGR")  {
+			catchup_feed($link, $method_split[1], false);
 		}
 
 		// FIXME: might break tag display?
@@ -4973,9 +4973,9 @@
 
 		if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
 
-//		error_log("format_headlines_list: [" . $feed . "] subop [" . $subop . "]");
-		if( $search_mode == '' && $subop != '' ){
-		    $search_mode = $subop;
+//		error_log("format_headlines_list: [" . $feed . "] method [" . $method . "]");
+		if( $search_mode == '' && $method != '' ){
+		    $search_mode = $method;
 		}
 //		error_log("search_mode: " . $search_mode);
 		$qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
@@ -5638,7 +5638,7 @@
 		//$url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
 
 		$url_path = get_self_url_prefix() .
-			"/backend.php?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
+			"/backend.php?op=pref-feeds&quiet=1&method=add&feed_url=%s";
 		return $url_path;
 	} // function add_feed_url
 
diff --git a/js/PrefFeedTree.js b/js/PrefFeedTree.js
index 4ea486609..9e2ee0662 100644
--- a/js/PrefFeedTree.js
+++ b/js/PrefFeedTree.js
@@ -11,7 +11,7 @@ dojo.declare("fox.PrefFeedStore", dojo.data.ItemFileWriteStore, {
 
 		dojo.xhrPost({
 			url: "backend.php",
-			content: {op: "pref-feeds", subop: "savefeedorder",
+			content: {op: "pref-feeds", method: "savefeedorder",
 				payload: newFileContentString},
 			error: saveFailedCallback,
 			load: saveCompleteCallback});
diff --git a/js/digest.js b/js/digest.js
index 7dba6d36e..c1cbf8762 100644
--- a/js/digest.js
+++ b/js/digest.js
@@ -26,7 +26,7 @@ function catchup_feed(feed_id, callback) {
 
 			if (feed_id < 0) is_cat = "true"; // KLUDGE
 
-			var query = "?op=rpc&subop=catchupFeed&feed_id=" +
+			var query = "?op=rpc&method=catchupFeed&feed_id=" +
 				feed_id + "&is_cat=" + is_cat;
 
 			new Ajax.Request("backend.php",	{
@@ -68,7 +68,7 @@ function catchup_visible_articles(callback) {
 
 		if (confirm(__("Mark %d displayed articles as read?").replace("%d", ids.length))) {
 
-			var query = "?op=rpc&subop=catchupSelected" +
+			var query = "?op=rpc&method=catchupSelected" +
 				"&cmode=0&ids=" + param_escape(ids);
 
 			new Ajax.Request("backend.php",	{
@@ -88,7 +88,7 @@ function catchup_visible_articles(callback) {
 
 function catchup_article(article_id, callback) {
 	try {
-		var query = "?op=rpc&subop=catchupSelected" +
+		var query = "?op=rpc&method=catchupSelected" +
 			"&cmode=0&ids=" + article_id;
 
 		new Ajax.Request("backend.php",	{
@@ -169,7 +169,7 @@ function update(callback) {
 		window.clearTimeout(_update_timeout);
 
 		new Ajax.Request("backend.php",	{
-			parameters: "?op=rpc&subop=digest-init",
+			parameters: "?op=rpc&method=digest-init",
 			onComplete: function(transport) {
 				fatal_error_check(transport);
 				parse_feeds(transport);
@@ -220,7 +220,7 @@ function view(article_id) {
 			}, 500);
 
 		new Ajax.Request("backend.php",	{
-			parameters: "?op=rpc&subop=digest-get-contents&article_id=" +
+			parameters: "?op=rpc&method=digest-get-contents&article_id=" +
 				article_id,
 			onComplete: function(transport) {
 				fatal_error_check(transport);
@@ -315,7 +315,7 @@ function viewfeed(feed_id, offset, replace, no_effects, no_indicator, callback)
 
 		if (!offset) $("headlines").scrollTop = 0;
 
-		var query = "backend.php?op=rpc&subop=digest-update&feed_id=" +
+		var query = "backend.php?op=rpc&method=digest-update&feed_id=" +
 				param_escape(feed_id) +	"&offset=" + offset +
 				"&seq=" + _update_seq;
 
@@ -648,7 +648,7 @@ function parse_headlines(transport, replace, no_effects) {
 function init_second_stage() {
 	try {
 		new Ajax.Request("backend.php",	{
-			parameters: "backend.php?op=rpc&subop=digest-init",
+			parameters: "backend.php?op=rpc&method=digest-init",
 			onComplete: function(transport) {
 				parse_feeds(transport);
 				Element.hide("overlay");
@@ -667,7 +667,7 @@ function init() {
 		dojo.require("dijit.Dialog");
 
 		new Ajax.Request("backend.php", {
-			parameters: "?op=rpc&subop=sanityCheck",
+			parameters: "?op=rpc&method=sanityCheck",
 			onComplete: function(transport) {
 				backend_sanity_check_callback(transport);
 			} });
@@ -681,7 +681,7 @@ function toggle_mark(img, id) {
 
 	try {
 
-		var query = "?op=rpc&id=" + id + "&subop=mark";
+		var query = "?op=rpc&id=" + id + "&method=mark";
 
 		if (!img) return;
 
@@ -710,7 +710,7 @@ function toggle_pub(img, id, note) {
 
 	try {
 
-		var query = "?op=rpc&id=" + id + "&subop=publ";
+		var query = "?op=rpc&id=" + id + "&method=publ";
 
 		if (note != undefined) {
 			query = query + "&note=" + param_escape(note);
@@ -798,7 +798,7 @@ function update_title(unread) {
 function tweet_article(id) {
 	try {
 
-		var query = "?op=rpc&subop=getTweetInfo&id=" + param_escape(id);
+		var query = "?op=rpc&method=getTweetInfo&id=" + param_escape(id);
 
 		console.log(query);
 
diff --git a/js/feedlist.js b/js/feedlist.js
index eaaeaad81..ff4c948d4 100644
--- a/js/feedlist.js
+++ b/js/feedlist.js
@@ -48,14 +48,14 @@ function loadMoreHeadlines() {
 }
 
 
-function viewfeed(feed, subop, is_cat, offset, background, infscroll_req) {
+function viewfeed(feed, method, is_cat, offset, background, infscroll_req) {
 	try {
 		if (is_cat == undefined)
 			is_cat = false;
 		else
 			is_cat = !!is_cat;
 
-		if (subop == undefined) subop = '';
+		if (method == undefined) method = '';
 		if (offset == undefined) offset = 0;
 		if (background == undefined) background = false;
 		if (infscroll_req == undefined) infscroll_req = false;
@@ -110,7 +110,7 @@ function viewfeed(feed, subop, is_cat, offset, background, infscroll_req) {
 				_infscroll_disable = 0;
 			}
 
-			if (!offset && !subop && cached_headlines && !background) {
+			if (!offset && !method && cached_headlines && !background) {
 				try {
 					render_local_headlines(feed, is_cat, JSON.parse(cached_headlines));
 					return;
@@ -119,7 +119,7 @@ function viewfeed(feed, subop, is_cat, offset, background, infscroll_req) {
 				}
 			}
 
-			if (offset != 0 && !subop) {
+			if (offset != 0 && !method) {
 				var date = new Date();
 				var timestamp = Math.round(date.getTime() / 1000);
 
@@ -139,7 +139,7 @@ function viewfeed(feed, subop, is_cat, offset, background, infscroll_req) {
 		var toolbar_query = Form.serialize("main_toolbar_form");
 
 		var query = "?op=viewfeed&feed=" + feed + "&" +
-			toolbar_query + "&subop=" + param_escape(subop);
+			toolbar_query + "&method=" + param_escape(method);
 
 		if (!background) {
 			if (_search_query) {
@@ -148,7 +148,7 @@ function viewfeed(feed, subop, is_cat, offset, background, infscroll_req) {
 				_search_query = false;
 			}
 
-			if (subop == "MarkAllRead") {
+			if (method == "MarkAllRead") {
 
 				var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1";
 
@@ -162,7 +162,7 @@ function viewfeed(feed, subop, is_cat, offset, background, infscroll_req) {
 
 							render_local_headlines(nuf, false, JSON.parse(cached_nuf));
 
-							var catchup_query = "?op=rpc&subop=catchupFeed&feed_id=" +
+							var catchup_query = "?op=rpc&method=catchupFeed&feed_id=" +
 								feed + "&is_cat=" + is_cat;
 
 							console.log(catchup_query);
@@ -246,7 +246,7 @@ function request_counters_real() {
 	try {
 		console.log("requesting counters...");
 
-		var query = "?op=rpc&subop=getAllCounters&seq=" + next_seq();
+		var query = "?op=rpc&method=getAllCounters&seq=" + next_seq();
 
 		query = query + "&omode=flc";
 
@@ -487,7 +487,7 @@ function catchupFeed(feed, is_cat) {
 			return;
 		}
 
-		var catchup_query = "?op=rpc&subop=catchupFeed&feed_id=" +
+		var catchup_query = "?op=rpc&method=catchupFeed&feed_id=" +
 			feed + "&is_cat=" + is_cat;
 
 		notify_progress("Loading, please wait...", true);
diff --git a/js/functions.js b/js/functions.js
index 02fbadf53..e62d576b6 100644
--- a/js/functions.js
+++ b/js/functions.js
@@ -607,7 +607,7 @@ function filterDlgCheckDate() {
 
 		var reg_exp = dialog.attr('value').reg_exp;
 
-		var query = "?op=rpc&subop=checkDate&date=" + reg_exp;
+		var query = "?op=rpc&method=checkDate&date=" + reg_exp;
 
 		new Ajax.Request("backend.php", {
 			parameters: query,
@@ -756,7 +756,7 @@ function removeFeedIcon(id) {
 	try {
 
 		if (confirm(__("Remove stored feed icon?"))) {
-			var query = "backend.php?op=pref-feeds&subop=removeicon&feed_id=" + param_escape(id);
+			var query = "backend.php?op=pref-feeds&method=removeicon&feed_id=" + param_escape(id);
 
 			console.log(query);
 
@@ -815,7 +815,7 @@ function addLabel(select, callback) {
 				return false;
 			}
 
-			var query = "?op=pref-labels&subop=add&caption=" +
+			var query = "?op=pref-labels&method=add&caption=" +
 				param_escape(caption);
 
 			if (select)
@@ -893,7 +893,7 @@ function quickAddFeed() {
 									notify_progress("Searching for feed urls...", true);
 
 									new Ajax.Request("backend.php", {
-										parameters: 'op=rpc&subop=extractfeedurls&url=' + param_escape(feed_url),
+										parameters: 'op=rpc&method=extractfeedurls&url=' + param_escape(feed_url),
 										onComplete: function(transport, dialog, feed_url) {
 
 											notify('');
@@ -978,7 +978,7 @@ function quickAddFilter() {
 			execute: function() {
 				if (this.validate()) {
 
-					var query = "?op=rpc&subop=verifyRegexp&reg_exp=" +
+					var query = "?op=rpc&method=verifyRegexp&reg_exp=" +
 						param_escape(dialog.attr('value').reg_exp);
 
 					notify_progress("Verifying regular expression...");
@@ -1028,7 +1028,7 @@ function resetPubSub(feed_id, title) {
 	if (title == undefined || confirm(msg)) {
 		notify_progress("Loading, please wait...");
 
-		var query = "?op=pref-feeds&quiet=1&subop=resetPubSub&ids=" + feed_id;
+		var query = "?op=pref-feeds&quiet=1&method=resetPubSub&ids=" + feed_id;
 
 		new Ajax.Request("backend.php", {
 			parameters: query,
@@ -1049,7 +1049,7 @@ function unsubscribeFeed(feed_id, title) {
 	if (title == undefined || confirm(msg)) {
 		notify_progress("Removing feed...");
 
-		var query = "?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id;
+		var query = "?op=pref-feeds&quiet=1&method=remove&ids=" + feed_id;
 
 		new Ajax.Request("backend.php", {
 			parameters: query,
@@ -1155,7 +1155,7 @@ function quickAddCat(elem) {
 
 		if (cat) {
 
-			var query = "?op=rpc&subop=quickAddCat&cat=" + param_escape(cat);
+			var query = "?op=rpc&method=quickAddCat&cat=" + param_escape(cat);
 
 			notify_progress("Loading, please wait...", true);
 
@@ -1188,7 +1188,7 @@ function genUrlChangeKey(feed, is_cat) {
 
 			notify_progress("Trying to change address...", true);
 
-			var query = "?op=rpc&subop=regenFeedKey&id=" + param_escape(feed) +
+			var query = "?op=rpc&method=regenFeedKey&id=" + param_escape(feed) +
 				"&is_cat=" + param_escape(is_cat);
 
 			new Ajax.Request("backend.php", {
@@ -1368,7 +1368,7 @@ function editFeed(feed, event) {
 		if (feed <= 0)
 			return alert(__("You can't edit this kind of feed."));
 
-		var query = "backend.php?op=pref-feeds&subop=editfeed&id=" +
+		var query = "backend.php?op=pref-feeds&method=editfeed&id=" +
 			param_escape(feed);
 
 		console.log(query);
@@ -1464,7 +1464,7 @@ function feedBrowser() {
 					// we use dojo.toJson instead of JSON.stringify because
 					// it somehow escapes everything TWICE, at least in Chrome 9
 
-					var query = "?op=rpc&subop=massSubscribe&payload="+
+					var query = "?op=rpc&method=massSubscribe&payload="+
 						param_escape(dojo.toJson(selected)) + "&mode=" + param_escape(mode);
 
 					console.log(query);
@@ -1524,7 +1524,7 @@ function feedBrowser() {
 					if (confirm(pr)) {
 						Element.show('feed_browser_spinner');
 
-						var query = "?op=rpc&subop=remarchived&ids=" +
+						var query = "?op=rpc&method=remarchived&ids=" +
 							param_escape(selected.toString());;
 
 						new Ajax.Request("backend.php", {
@@ -1574,7 +1574,7 @@ function showFeedsWithErrors() {
 					if (ok) {
 						notify_progress("Removing selected feeds...", true);
 
-						var query = "?op=pref-feeds&subop=remove&ids="+
+						var query = "?op=pref-feeds&method=remove&ids="+
 							param_escape(sel_rows.toString());
 
 						new Ajax.Request("backend.php",	{
diff --git a/js/prefs.js b/js/prefs.js
index e40d6d723..760441a3d 100644
--- a/js/prefs.js
+++ b/js/prefs.js
@@ -124,7 +124,7 @@ function addUser() {
 
 		notify_progress("Adding user...");
 
-		var query = "?op=pref-users&subop=add&login=" +
+		var query = "?op=pref-users&method=add&login=" +
 			param_escape(login);
 
 		new Ajax.Request("backend.php", {
@@ -148,7 +148,7 @@ function editUser(id, event) {
 		selectTableRows('prefUserList', 'none');
 		selectTableRowById('UMRR-'+id, 'UMCHK-'+id, true);
 
-		var query = "?op=pref-users&subop=edit&id=" +
+		var query = "?op=pref-users&method=edit&id=" +
 			param_escape(id);
 
 		new Ajax.Request("backend.php",	{
@@ -173,7 +173,7 @@ function editUser(id, event) {
 function editFilter(id) {
 	try {
 
-		var query = "backend.php?op=pref-filters&subop=edit&id=" + param_escape(id);
+		var query = "backend.php?op=pref-filters&method=edit&id=" + param_escape(id);
 
 		if (dijit.byId("filterEditDlg"))
 			dijit.byId("filterEditDlg").destroyRecursive();
@@ -193,7 +193,7 @@ function editFilter(id) {
 
 					var id = this.attr('value').id;
 
-					var query = "?op=pref-filters&subop=remove&ids="+
+					var query = "?op=pref-filters&method=remove&ids="+
 						param_escape(id);
 
 					new Ajax.Request("backend.php",	{
@@ -224,7 +224,7 @@ function editFilter(id) {
 			execute: function() {
 				if (this.validate()) {
 
-					var query = "?op=rpc&subop=verifyRegexp&reg_exp=" +
+					var query = "?op=rpc&method=verifyRegexp&reg_exp=" +
 						param_escape(dialog.attr('value').reg_exp);
 
 					notify_progress("Verifying regular expression...");
@@ -323,7 +323,7 @@ function removeSelectedLabels() {
 		if (ok) {
 			notify_progress("Removing selected labels...");
 
-			var query = "?op=pref-labels&subop=remove&ids="+
+			var query = "?op=pref-labels&method=remove&ids="+
 				param_escape(sel_rows.toString());
 
 			new Ajax.Request("backend.php",	{
@@ -353,7 +353,7 @@ function removeSelectedUsers() {
 			if (ok) {
 				notify_progress("Removing selected users...");
 
-				var query = "?op=pref-users&subop=remove&ids="+
+				var query = "?op=pref-users&method=remove&ids="+
 					param_escape(sel_rows.toString());
 
 				new Ajax.Request("backend.php", {
@@ -388,7 +388,7 @@ function removeSelectedFilters() {
 			if (ok) {
 				notify_progress("Removing selected filters...");
 
-				var query = "?op=pref-filters&subop=remove&ids="+
+				var query = "?op=pref-filters&method=remove&ids="+
 					param_escape(sel_rows.toString());
 
 				new Ajax.Request("backend.php",	{
@@ -423,7 +423,7 @@ function removeSelectedFeeds() {
 
 				notify_progress("Unsubscribing from selected feeds...", true);
 
-				var query = "?op=pref-feeds&subop=remove&ids="+
+				var query = "?op=pref-feeds&method=remove&ids="+
 					param_escape(sel_rows.toString());
 
 				console.log(query);
@@ -484,7 +484,7 @@ function purgeSelectedFeeds() {
 		if (pr != undefined) {
 			notify_progress("Purging selected feed...");
 
-			var query = "?op=rpc&subop=purge&ids="+
+			var query = "?op=rpc&method=purge&ids="+
 				param_escape(sel_rows.toString()) + "&days=" + pr;
 
 			console.log(query);
@@ -583,7 +583,7 @@ function resetSelectedUserPass() {
 
 			var id = rows[0];
 
-			var query = "?op=pref-users&subop=resetPass&id=" +
+			var query = "?op=pref-users&method=resetPass&id=" +
 				param_escape(id);
 
 			new Ajax.Request("backend.php", {
@@ -619,7 +619,7 @@ function selectedUserDetails() {
 
 		var id = rows[0];
 
-		var query = "?op=pref-users&subop=user-details&id=" + id;
+		var query = "?op=pref-users&method=user-details&id=" + id;
 
 		new Ajax.Request("backend.php",	{
 			parameters: query,
@@ -682,7 +682,7 @@ function editSelectedFeeds() {
 
 		notify_progress("Loading, please wait...");
 
-		var query = "backend.php?op=pref-feeds&subop=editfeeds&ids=" +
+		var query = "backend.php?op=pref-feeds&method=editfeeds&ids=" +
 			param_escape(rows.toString());
 
 		console.log(query);
@@ -863,7 +863,7 @@ function updatePrefsList() {
 		} });
 }
 
-function selectTab(id, noupdate, subop) {
+function selectTab(id, noupdate, method) {
 	try {
 		if (!noupdate) {
 			notify_progress("Loading, please wait...");
@@ -905,10 +905,10 @@ function init_second_stage() {
 				if (tab) dijit.byId("pref-tabs").selectChild(tab);
 			}
 
-			var subop = getURLParam('subop');
+			var method = getURLParam('method');
 
-			if (subop == 'editFeed') {
-				var param = getURLParam('subopparam');
+			if (method == 'editFeed') {
+				var param = getURLParam('methodparam');
 
 				window.setTimeout('editFeed(' + param + ')', 100);
 			}
@@ -938,7 +938,7 @@ function init() {
 			loading_set_progress(50);
 
 			new Ajax.Request("backend.php", {
-				parameters: {op: "rpc", subop: "sanityCheck"},
+				parameters: {op: "rpc", method: "sanityCheck"},
 					onComplete: function(transport) {
 					backend_sanity_check_callback(transport);
 				} });
@@ -955,7 +955,7 @@ function validatePrefsReset() {
 
 		if (ok) {
 
-			query = "?op=pref-prefs&subop=reset-config";
+			query = "?op=pref-prefs&method=reset-config";
 			console.log(query);
 
 			new Ajax.Request("backend.php", {
@@ -1160,7 +1160,7 @@ function pref_hotkey_handler(e) {
 
 function editFeedCats() {
 	try {
-		var query = "backend.php?op=pref-feeds&subop=editCats";
+		var query = "backend.php?op=pref-feeds&method=editCats";
 
 		if (dijit.byId("feedCatEditDlg"))
 			dijit.byId("feedCatEditDlg").destroyRecursive();
@@ -1181,7 +1181,7 @@ function editFeedCats() {
 					if (ok) {
 						notify_progress("Removing selected categories...", true);
 
-						var query = "?op=pref-feeds&subop=editCats&action=remove&ids="+
+						var query = "?op=pref-feeds&method=editCats&action=remove&ids="+
 							param_escape(sel_rows.toString());
 
 						new Ajax.Request("backend.php",	{
@@ -1202,7 +1202,7 @@ function editFeedCats() {
 				if (this.validate()) {
 					notify_progress("Creating category...");
 
-					var query = "?op=pref-feeds&subop=editCats&action=add&cat=" +
+					var query = "?op=pref-feeds&method=editCats&action=add&cat=" +
 						param_escape(this.attr('value').newcat);
 
 					new Ajax.Request("backend.php",	{
@@ -1252,7 +1252,7 @@ function showInactiveFeeds() {
 					if (ok) {
 						notify_progress("Removing selected feeds...", true);
 
-						var query = "?op=pref-feeds&subop=remove&ids="+
+						var query = "?op=pref-feeds&method=remove&ids="+
 							param_escape(sel_rows.toString());
 
 						new Ajax.Request("backend.php",	{
@@ -1291,7 +1291,7 @@ function opmlRegenKey() {
 
 			notify_progress("Trying to change address...", true);
 
-			var query = "?op=rpc&subop=regenOPMLKey";
+			var query = "?op=rpc&method=regenOPMLKey";
 
 			new Ajax.Request("backend.php", {
 				parameters: query,
@@ -1376,7 +1376,7 @@ function clearFeedArticles(feed_id) {
 
 	notify_progress("Clearing feed...");
 
-	var query = "?op=pref-feeds&quiet=1&subop=clear&id=" + feed_id;
+	var query = "?op=pref-feeds&quiet=1&method=clear&id=" + feed_id;
 
 	new Ajax.Request("backend.php",	{
 		parameters: query,
@@ -1399,7 +1399,7 @@ function rescoreSelectedFeeds() {
 		if (ok) {
 			notify_progress("Rescoring selected feeds...", true);
 
-			var query = "?op=pref-feeds&subop=rescore&quiet=1&ids="+
+			var query = "?op=pref-feeds&method=rescore&quiet=1&ids="+
 				param_escape(sel_rows.toString());
 
 			new Ajax.Request("backend.php",	{
@@ -1422,7 +1422,7 @@ function rescore_all_feeds() {
 	if (ok) {
 		notify_progress("Rescoring feeds...", true);
 
-		var query = "?op=pref-feeds&subop=rescoreAll&quiet=1";
+		var query = "?op=pref-feeds&method=rescoreAll&quiet=1";
 
 		new Ajax.Request("backend.php",	{
 			parameters: query,
@@ -1440,7 +1440,7 @@ function labelColorReset() {
 			var ok = confirm(__("Reset selected labels to default colors?"));
 
 			if (ok) {
-				var query = "?op=pref-labels&subop=color-reset&ids="+
+				var query = "?op=pref-labels&method=color-reset&ids="+
 					param_escape(labels.toString());
 
 				new Ajax.Request("backend.php", {
@@ -1488,7 +1488,7 @@ function editProfiles() {
 					if (ok) {
 						notify_progress("Removing selected profiles...", true);
 
-						var query = "?op=rpc&subop=remprofiles&ids="+
+						var query = "?op=rpc&method=remprofiles&ids="+
 							param_escape(sel_rows.toString());
 
 						new Ajax.Request("backend.php",	{
@@ -1514,7 +1514,7 @@ function editProfiles() {
 					if (ok) {
 						notify_progress("Loading, please wait...");
 
-						var query = "?op=rpc&subop=setprofile&id="+
+						var query = "?op=rpc&method=setprofile&id="+
 							param_escape(sel_rows.toString());
 
 						new Ajax.Request("backend.php",	{
@@ -1532,7 +1532,7 @@ function editProfiles() {
 				if (this.validate()) {
 					notify_progress("Creating profile...", true);
 
-					var query = "?op=rpc&subop=addprofile&title=" +
+					var query = "?op=rpc&method=addprofile&title=" +
 						param_escape(dialog.attr('value').newprofile);
 
 					new Ajax.Request("backend.php",	{
@@ -1567,7 +1567,7 @@ function activatePrefProfile() {
 		if (ok) {
 			notify_progress("Loading, please wait...");
 
-			var query = "?op=rpc&subop=setprofile&id="+
+			var query = "?op=rpc&method=setprofile&id="+
 				param_escape(sel_rows.toString());
 
 			new Ajax.Request("backend.php",	{
@@ -1591,7 +1591,7 @@ function clearFeedAccessKeys() {
 	if (ok) {
 		notify_progress("Clearing URLs...");
 
-		var query = "?op=rpc&subop=clearKeys";
+		var query = "?op=rpc&method=clearKeys";
 
 		new Ajax.Request("backend.php", {
 			parameters: query,
@@ -1610,7 +1610,7 @@ function clearArticleAccessKeys() {
 	if (ok) {
 		notify_progress("Clearing URLs...");
 
-		var query = "?op=rpc&subop=clearArticleKeys";
+		var query = "?op=rpc&method=clearArticleKeys";
 
 		new Ajax.Request("backend.php", {
 			parameters: query,
@@ -1626,7 +1626,7 @@ function resetFeedOrder() {
 		notify_progress("Loading, please wait...");
 
 		new Ajax.Request("backend.php", {
-			parameters: "?op=pref-feeds&subop=feedsortreset",
+			parameters: "?op=pref-feeds&method=feedsortreset",
 			onComplete: function(transport) {
 		  		updateFeedList();
 			} });
@@ -1642,7 +1642,7 @@ function resetCatOrder() {
 		notify_progress("Loading, please wait...");
 
 		new Ajax.Request("backend.php", {
-			parameters: "?op=pref-feeds&subop=catsortreset",
+			parameters: "?op=pref-feeds&method=catsortreset",
 			onComplete: function(transport) {
 		  		updateFeedList();
 			} });
@@ -1664,7 +1664,7 @@ function editCat(id, item, event) {
 			new Ajax.Request("backend.php", {
 			parameters: {
 				op: 'pref-feeds',
-				subop: 'renamecat',
+				method: 'renamecat',
 				id: id,
 				title: new_name,
 			},
@@ -1680,7 +1680,7 @@ function editCat(id, item, event) {
 
 function editLabel(id, event) {
 	try {
-		var query = "backend.php?op=pref-labels&subop=edit&id=" +
+		var query = "backend.php?op=pref-labels&method=edit&id=" +
 			param_escape(id);
 
 		if (dijit.byId("labelEditDlg"))
@@ -1705,7 +1705,7 @@ function editLabel(id, event) {
 					color = bg;
 				}
 
-				var query = "?op=pref-labels&subop=color-set&kind="+kind+
+				var query = "?op=pref-labels&method=color-set&kind="+kind+
 					"&ids=" + param_escape(id) + "&fg=" + param_escape(fg) +
 					"&bg=" + param_escape(bg) + "&color=" + param_escape(color);
 
@@ -1756,7 +1756,7 @@ function clearTwitterCredentials() {
 		if (ok) {
 			notify_progress("Clearing credentials...");
 
-			var query = "?op=pref-feeds&subop=remtwitterinfo";
+			var query = "?op=pref-feeds&method=remtwitterinfo";
 
 			new Ajax.Request("backend.php", {
 				parameters: query,
@@ -1826,7 +1826,7 @@ function addInstance() {
 			style: "width: 600px",
 			regenKey: function() {
 				new Ajax.Request("backend.php", {
-					parameters: "?op=rpc&subop=genHash",
+					parameters: "?op=rpc&method=genHash",
 					onComplete: function(transport) {
 						var reply = JSON.parse(transport.responseText);
 						if (reply)
@@ -1865,7 +1865,7 @@ function editInstance(id, event) {
 		selectTableRows('prefInstanceList', 'none');
 		selectTableRowById('LIRR-'+id, 'LICHK-'+id, true);
 
-		var query = "backend.php?op=pref-instances&subop=edit&id=" +
+		var query = "backend.php?op=pref-instances&method=edit&id=" +
 			param_escape(id);
 
 		if (dijit.byId("instanceEditDlg"))
@@ -1877,7 +1877,7 @@ function editInstance(id, event) {
 			style: "width: 600px",
 			regenKey: function() {
 				new Ajax.Request("backend.php", {
-					parameters: "?op=rpc&subop=genHash",
+					parameters: "?op=rpc&method=genHash",
 					onComplete: function(transport) {
 						var reply = JSON.parse(transport.responseText);
 						if (reply)
@@ -1927,7 +1927,7 @@ function removeSelectedInstances() {
 			if (ok) {
 				notify_progress("Removing selected instances...");
 
-				var query = "?op=pref-instances&subop=remove&ids="+
+				var query = "?op=pref-instances&method=remove&ids="+
 					param_escape(sel_rows.toString());
 
 				new Ajax.Request("backend.php", {
diff --git a/js/tt-rss.js b/js/tt-rss.js
index 589091959..96147b3d3 100644
--- a/js/tt-rss.js
+++ b/js/tt-rss.js
@@ -82,7 +82,7 @@ function updateFeedList() {
 			var cat_id = id.substr(id.indexOf(":")+1);
 
 			new Ajax.Request("backend.php",
-				{ parameters: "backend.php?op=feeds&subop=collapse&cid=" +
+				{ parameters: "backend.php?op=feeds&method=collapse&cid=" +
 					param_escape(cat_id) + "&mode=0" } );
 	   },
 		onClose: function (item, node) {
@@ -90,7 +90,7 @@ function updateFeedList() {
 			var cat_id = id.substr(id.indexOf(":")+1);
 
 			new Ajax.Request("backend.php",
-				{ parameters: "backend.php?op=feeds&subop=collapse&cid=" +
+				{ parameters: "backend.php?op=feeds&method=collapse&cid=" +
 					param_escape(cat_id) + "&mode=1" } );
 
 	   },
@@ -148,7 +148,7 @@ function catchupAllFeeds() {
 
 	if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
 
-		var query_str = "backend.php?op=feeds&subop=catchupAll";
+		var query_str = "backend.php?op=feeds&method=catchupAll";
 
 		notify_progress("Marking all feeds as read...");
 
@@ -165,10 +165,10 @@ function catchupAllFeeds() {
 	}
 }
 
-function viewCurrentFeed(subop) {
+function viewCurrentFeed(method) {
 
 	if (getActiveFeedId() != undefined) {
-		viewfeed(getActiveFeedId(), subop, activeFeedIsCat());
+		viewfeed(getActiveFeedId(), method, activeFeedIsCat());
 	}
 	return false; // block unneeded form submits
 }
@@ -186,7 +186,7 @@ function timeout() {
 
 			window.clearTimeout(counter_timeout_id);
 
-			var query_str = "?op=rpc&subop=getAllCounters&seq=" + next_seq();
+			var query_str = "?op=rpc&method=getAllCounters&seq=" + next_seq();
 
 			var omode;
 
@@ -302,7 +302,7 @@ function init() {
 		var hasAudio = !!((myAudioTag = document.createElement('audio')).canPlayType);
 
 		new Ajax.Request("backend.php",	{
-			parameters: {op: "rpc", subop: "sanityCheck", hasAudio: hasAudio},
+			parameters: {op: "rpc", method: "sanityCheck", hasAudio: hasAudio},
 			onComplete: function(transport) {
 					backend_sanity_check_callback(transport);
 				} });
@@ -454,7 +454,7 @@ function toggleDispRead() {
 
 		hideOrShowFeeds(hide);
 
-		var query = "?op=rpc&subop=setpref&key=HIDE_READ_FEEDS&value=" +
+		var query = "?op=rpc&method=setpref&key=HIDE_READ_FEEDS&value=" +
 			param_escape(hide);
 
 		setInitParam("hide_read_feeds", hide);
@@ -555,7 +555,7 @@ function collapse_feedlist() {
 
 		dijit.byId("main").resize();
 
-		query = "?op=rpc&subop=setpref&key=_COLLAPSED_FEEDLIST&value=true";
+		query = "?op=rpc&method=setpref&key=_COLLAPSED_FEEDLIST&value=true";
 		new Ajax.Request("backend.php", { parameters: query });
 
 	} catch (e) {
@@ -577,7 +577,7 @@ function viewLimitChanged() {
 		var pr = prompt(__("Assign score to article:"), score);
 
 		if (pr != undefined) {
-			var query = "?op=rpc&subop=setScore&id=" + id + "&score=" + pr;
+			var query = "?op=rpc&method=setScore&id=" + id + "&score=" + pr;
 
 			new Ajax.Request("backend.php",	{
 			parameters: query,
@@ -611,7 +611,7 @@ function rescoreCurrentFeed() {
 	if (confirm(pr)) {
 		notify_progress("Rescoring articles...");
 
-		var query = "?op=pref-feeds&subop=rescore&quiet=1&ids=" + actid;
+		var query = "?op=pref-feeds&method=rescore&quiet=1&ids=" + actid;
 
 		new Ajax.Request("backend.php",	{
 			parameters: query,
@@ -1024,7 +1024,7 @@ function inPreferences() {
 function reverseHeadlineOrder() {
 	try {
 
-		var query_str = "?op=rpc&subop=togglepref&key=REVERSE_HEADLINES";
+		var query_str = "?op=rpc&method=togglepref&key=REVERSE_HEADLINES";
 
 		new Ajax.Request("backend.php", {
 			parameters: query_str,
@@ -1049,7 +1049,7 @@ function scheduleFeedUpdate(id, is_cat) {
 			return;
 		}
 
-		var query = "?op=rpc&subop=scheduleFeedUpdate&id=" +
+		var query = "?op=rpc&method=scheduleFeedUpdate&id=" +
 			param_escape(id) +
 			"&is_cat=" + param_escape(is_cat);
 
diff --git a/js/viewfeed.js b/js/viewfeed.js
index 9cb902315..363121b19 100644
--- a/js/viewfeed.js
+++ b/js/viewfeed.js
@@ -406,7 +406,7 @@ function view(id) {
 
 function toggleMark(id, client_only) {
 	try {
-		var query = "?op=rpc&id=" + id + "&subop=mark";
+		var query = "?op=rpc&id=" + id + "&method=mark";
 
 		var img = $("FMPIC-" + id);
 
@@ -440,7 +440,7 @@ function toggleMark(id, client_only) {
 
 function togglePub(id, client_only, no_effects, note) {
 	try {
-		var query = "?op=rpc&id=" + id + "&subop=publ";
+		var query = "?op=rpc&id=" + id + "&method=publ";
 
 		if (note != undefined) {
 			query = query + "&note=" + param_escape(note);
@@ -601,7 +601,7 @@ function toggleUnread(id, cmode, effect) {
 
 			if (cmode == undefined) cmode = 2;
 
-			var query = "?op=rpc&subop=catchupSelected" +
+			var query = "?op=rpc&method=catchupSelected" +
 				"&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 
 //			notify_progress("Loading, please wait...");
@@ -629,7 +629,7 @@ function selectionRemoveLabel(id, ids) {
 			return;
 		}
 
-		var query = "?op=rpc&subop=removeFromLabel&ids=" +
+		var query = "?op=rpc&method=removeFromLabel&ids=" +
 			param_escape(ids.toString()) + "&lid=" + param_escape(id);
 
 		console.log(query);
@@ -657,7 +657,7 @@ function selectionAssignLabel(id, ids) {
 			return;
 		}
 
-		var query = "?op=rpc&subop=assignToLabel&ids=" +
+		var query = "?op=rpc&method=assignToLabel&ids=" +
 			param_escape(ids.toString()) + "&lid=" + param_escape(id);
 
 		console.log(query);
@@ -717,7 +717,7 @@ function selectionToggleUnread(set_state, callback, no_error) {
 				cmode = "0";
 			}
 
-			var query = "?op=rpc&subop=catchupSelected" +
+			var query = "?op=rpc&method=catchupSelected" +
 				"&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 
 			notify_progress("Loading, please wait...");
@@ -752,7 +752,7 @@ function selectionToggleMarked() {
 
 		if (rows.length > 0) {
 
-			var query = "?op=rpc&subop=markSelected&ids=" +
+			var query = "?op=rpc&method=markSelected&ids=" +
 				param_escape(rows.toString()) + "&cmode=2";
 
 			new Ajax.Request("backend.php", {
@@ -784,7 +784,7 @@ function selectionTogglePublished() {
 
 		if (rows.length > 0) {
 
-			var query = "?op=rpc&subop=publishSelected&ids=" +
+			var query = "?op=rpc&method=publishSelected&ids=" +
 				param_escape(rows.toString()) + "&cmode=2";
 
 			new Ajax.Request("backend.php", {
@@ -910,7 +910,7 @@ function deleteSelection() {
 			return;
 		}
 
-		query = "?op=rpc&subop=delete&ids=" + param_escape(rows);
+		query = "?op=rpc&method=delete&ids=" + param_escape(rows);
 
 		console.log(query);
 
@@ -956,7 +956,7 @@ function archiveSelection() {
 			return;
 		}
 
-		query = "?op=rpc&subop="+op+"&ids=" + param_escape(rows);
+		query = "?op=rpc&method="+op+"&ids=" + param_escape(rows);
 
 		console.log(query);
 
@@ -1052,7 +1052,7 @@ function editArticleTags(id) {
 	   	dojo.disconnect(tmph);
 
 			new Ajax.Autocompleter('tags_str', 'tags_choices',
-			   "backend.php?op=rpc&subop=completeTags",
+			   "backend.php?op=rpc&method=completeTags",
 			   { tokens: ',', paramName: "search" });
 		});
 
@@ -1141,7 +1141,7 @@ function catchupBatchedArticles() {
 	try {
 		if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
 
-			var query = "?op=rpc&subop=catchupSelected" +
+			var query = "?op=rpc&method=catchupSelected" +
 				"&cmode=0&ids=" + param_escape(catchup_id_batch.toString());
 
 			new Ajax.Request("backend.php", {
@@ -1216,7 +1216,7 @@ function catchupRelativeToArticle(below, id) {
 					e.removeClassName("Unread");
 				}
 
-				var query = "?op=rpc&subop=catchupSelected" +
+				var query = "?op=rpc&method=catchupSelected" +
 					"&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
 
 				new Ajax.Request("backend.php", {
@@ -1275,7 +1275,7 @@ function cdmExpandArticle(id) {
 				$("CWRAP-" + id).innerHTML = "<div class=\"insensitive\">" +
 					__("Loading, please wait...") + "</div>";
 
-				var query = "?op=rpc&subop=cdmGetArticle&id=" + param_escape(id);
+				var query = "?op=rpc&method=cdmGetArticle&id=" + param_escape(id);
 
 				var neighbor_ids = getRelativePostIds(id);
 
@@ -1386,7 +1386,7 @@ function zoomToArticle(event, id) {
 
 		} else {
 
-			var query = "?op=rpc&subop=getArticles&ids=" + param_escape(id);
+			var query = "?op=rpc&method=getArticles&ids=" + param_escape(id);
 
 			notify_progress("Loading, please wait...", true);
 
@@ -1547,7 +1547,7 @@ function emailArticle(id) {
 	   	dojo.disconnect(tmph);
 
 		   new Ajax.Autocompleter('emailArticleDlg_destination', 'emailArticleDlg_dst_choices',
-			   "backend.php?op=rpc&subop=completeEmails",
+			   "backend.php?op=rpc&method=completeEmails",
 			   { tokens: '', paramName: "search" });
 		});
 
@@ -1558,7 +1558,7 @@ function emailArticle(id) {
 				document.forms['article_email_form'].destination.focus();
 
 			   new Ajax.Autocompleter('destination', 'destination_choices',
-				   "backend.php?op=rpc&subop=completeEmails",
+				   "backend.php?op=rpc&method=completeEmails",
 				   { tokens: '', paramName: "search" });
 
 			}); */
@@ -1685,7 +1685,7 @@ function cdmClicked(event, id) {
 
 				active_post_id = id;
 
-				var query = "?op=rpc&subop=catchupSelected" +
+				var query = "?op=rpc&method=catchupSelected" +
 					"&cmode=0&ids=" + param_escape(id);
 
 				new Ajax.Request("backend.php", {
@@ -1996,7 +1996,7 @@ function initHeadlinesMenu() {
 
 function tweetArticle(id) {
 	try {
-		var query = "?op=rpc&subop=getTweetInfo&id=" + param_escape(id);
+		var query = "?op=rpc&method=getTweetInfo&id=" + param_escape(id);
 
 		console.log(query);
 
diff --git a/modules/backend-rpc.php b/modules/backend-rpc.php
index 34adc8f91..341353480 100644
--- a/modules/backend-rpc.php
+++ b/modules/backend-rpc.php
@@ -1,11 +1,11 @@
 <?php
 	function handle_rpc_request($link) {
 
-		$subop = $_REQUEST["subop"];
+		$method = $_REQUEST["method"];
 		$seq = (int) $_REQUEST["seq"];
 
 		// Silent
-		if ($subop == "setprofile") {
+		if ($method == "setprofile") {
 			$id = db_escape_string($_REQUEST["id"]);
 
 			$_SESSION["profile"] = $id;
@@ -14,7 +14,7 @@
 		}
 
 		// Silent
-		if ($subop == "remprofiles") {
+		if ($method == "remprofiles") {
 			$ids = explode(",", db_escape_string(trim($_REQUEST["ids"])));
 
 			foreach ($ids as $id) {
@@ -27,7 +27,7 @@
 		}
 
 		// Silent
-		if ($subop == "addprofile") {
+		if ($method == "addprofile") {
 			$title = db_escape_string(trim($_REQUEST["title"]));
 			if ($title) {
 				db_query($link, "BEGIN");
@@ -58,7 +58,7 @@
 		}
 
 		// Silent
-		if ($subop == "saveprofile") {
+		if ($method == "saveprofile") {
 			$id = db_escape_string($_REQUEST["id"]);
 			$title = db_escape_string(trim($_REQUEST["value"]));
 
@@ -90,7 +90,7 @@
 		}
 
 		// Silent
-		if ($subop == "remarchive") {
+		if ($method == "remarchive") {
 			$ids = explode(",", db_escape_string($_REQUEST["ids"]));
 
 			foreach ($ids as $id) {
@@ -104,7 +104,7 @@
 			return;
 		}
 
-		if ($subop == "addfeed") {
+		if ($method == "addfeed") {
 			$feed = db_escape_string($_REQUEST['feed']);
 			$cat = db_escape_string($_REQUEST['cat']);
 			$login = db_escape_string($_REQUEST['login']);
@@ -118,7 +118,7 @@
 
 		}
 
-		if ($subop == "extractfeedurls") {
+		if ($method == "extractfeedurls") {
 
 			$urls = get_feeds_from_html($_REQUEST['url']);
 
@@ -126,7 +126,7 @@
 			return;
 		}
 
-		if ($subop == "togglepref") {
+		if ($method == "togglepref") {
 			$key = db_escape_string($_REQUEST["key"]);
 			set_pref($link, $key, !get_pref($link, $key));
 			$value = get_pref($link, $key);
@@ -135,7 +135,7 @@
 			return;
 		}
 
-		if ($subop == "setpref") {
+		if ($method == "setpref") {
 			$value = str_replace("\n", "<br/>", $_REQUEST['value']);
 
 			$key = db_escape_string($_REQUEST["key"]);
@@ -147,7 +147,7 @@
 			return;
 		}
 
-		if ($subop == "mark") {
+		if ($method == "mark") {
 			$mark = $_REQUEST["mark"];
 			$id = db_escape_string($_REQUEST["id"]);
 
@@ -164,7 +164,7 @@
 			return;
 		}
 
-		if ($subop == "delete") {
+		if ($method == "delete") {
 			$ids = db_escape_string($_REQUEST["ids"]);
 
 			$result = db_query($link, "DELETE FROM ttrss_user_entries
@@ -174,7 +174,7 @@
 			return;
 		}
 
-		if ($subop == "unarchive") {
+		if ($method == "unarchive") {
 			$ids = db_escape_string($_REQUEST["ids"]);
 
 			$result = db_query($link, "UPDATE ttrss_user_entries
@@ -185,7 +185,7 @@
 			return;
 		}
 
-		if ($subop == "archive") {
+		if ($method == "archive") {
 			$ids = explode(",", db_escape_string($_REQUEST["ids"]));
 
 			foreach ($ids as $id) {
@@ -196,7 +196,7 @@
 			return;
 		}
 
-		if ($subop == "publ") {
+		if ($method == "publ") {
 			$pub = $_REQUEST["pub"];
 			$id = db_escape_string($_REQUEST["id"]);
 			$note = trim(strip_tags(db_escape_string($_REQUEST["note"])));
@@ -229,13 +229,13 @@
 		}
 
 		// Silent
-		/* if ($subop == "update") {
+		/* if ($method == "update") {
 			$feed_id = db_escape_string($_REQUEST["feed"]);
 			update_rss_feed($link, $feed_id);
 			return;
 		} */
 
-		if ($subop == "updateAllFeeds" || $subop == "getAllCounters") {
+		if ($method == "updateAllFeeds" || $method == "getAllCounters") {
 			$last_article_id = (int) $_REQUEST["last_article_id"];
 
 			$reply = array();
@@ -259,7 +259,7 @@
 		}
 
 		/* GET["cmode"] = 0 - mark as read, 1 - as unread, 2 - toggle */
-		if ($subop == "catchupSelected") {
+		if ($method == "catchupSelected") {
 			$ids = explode(",", db_escape_string($_REQUEST["ids"]));
 			$cmode = sprintf("%d", $_REQUEST["cmode"]);
 
@@ -269,7 +269,7 @@
 			return;
 		}
 
-		if ($subop == "markSelected") {
+		if ($method == "markSelected") {
 			$ids = explode(",", db_escape_string($_REQUEST["ids"]));
 			$cmode = sprintf("%d", $_REQUEST["cmode"]);
 
@@ -279,7 +279,7 @@
 			return;
 		}
 
-		if ($subop == "publishSelected") {
+		if ($method == "publishSelected") {
 			$ids = explode(",", db_escape_string($_REQUEST["ids"]));
 			$cmode = sprintf("%d", $_REQUEST["cmode"]);
 
@@ -289,7 +289,7 @@
 			return;
 		}
 
-		if ($subop == "sanityCheck") {
+		if ($method == "sanityCheck") {
 			$_SESSION["hasAudio"] = $_REQUEST["hasAudio"] === "true";
 
 			$reply = array();
@@ -305,7 +305,7 @@
 			return;
 		}
 
-		if ($subop == "setArticleTags") {
+		if ($method == "setArticleTags") {
 			global $memcache;
 
 			$id = db_escape_string($_REQUEST["id"]);
@@ -377,7 +377,7 @@
 			return;
 		}
 
-		if ($subop == "regenOPMLKey") {
+		if ($method == "regenOPMLKey") {
 			update_feed_access_key($link, 'OPML:Publish',
 				false, $_SESSION["uid"]);
 
@@ -387,7 +387,7 @@
 			return;
 		}
 
-		if ($subop == "completeTags") {
+		if ($method == "completeTags") {
 			$search = db_escape_string($_REQUEST["search"]);
 
 			$result = db_query($link, "SELECT DISTINCT tag_name FROM ttrss_tags
@@ -404,7 +404,7 @@
 			return;
 		}
 
-		if ($subop == "purge") {
+		if ($method == "purge") {
 			$ids = explode(",", db_escape_string($_REQUEST["ids"]));
 			$days = sprintf("%d", $_REQUEST["days"]);
 
@@ -421,7 +421,7 @@
 			return;
 		}
 
-/*		if ($subop == "setScore") {
+/*		if ($method == "setScore") {
 			$id = db_escape_string($_REQUEST["id"]);
 			$score = sprintf("%d", $_REQUEST["score"]);
 
@@ -434,7 +434,7 @@
 
 		} */
 
-		if ($subop == "getArticles") {
+		if ($method == "getArticles") {
 			$ids = explode(",", db_escape_string($_REQUEST["ids"]));
 			$articles = array();
 
@@ -448,7 +448,7 @@
 			return;
 		}
 
-		if ($subop == "checkDate") {
+		if ($method == "checkDate") {
 			$date = db_escape_string($_REQUEST["date"]);
 			$date_parsed = strtotime($date);
 
@@ -457,7 +457,7 @@
 			return;
 		}
 
-		if ($subop == "assignToLabel" || $subop == "removeFromLabel") {
+		if ($method == "assignToLabel" || $method == "removeFromLabel") {
 			$reply = array();
 
 			$ids = explode(",", db_escape_string($_REQUEST["ids"]));
@@ -472,7 +472,7 @@
 
 				foreach ($ids as $id) {
 
-					if ($subop == "assignToLabel")
+					if ($method == "assignToLabel")
 						label_add_article($link, $id, $label, $_SESSION["uid"]);
 					else
 						label_remove_article($link, $id, $label, $_SESSION["uid"]);
@@ -492,7 +492,7 @@
 			return;
 		}
 
-		if ($subop == "updateFeedBrowser") {
+		if ($method == "updateFeedBrowser") {
 			$search = db_escape_string($_REQUEST["search"]);
 			$limit = db_escape_string($_REQUEST["limit"]);
 			$mode = (int) db_escape_string($_REQUEST["mode"]);
@@ -504,7 +504,7 @@
 		}
 
 		// Silent
-		if ($subop == "massSubscribe") {
+		if ($method == "massSubscribe") {
 
 			$payload = json_decode($_REQUEST["payload"], false);
 			$mode = $_REQUEST["mode"];
@@ -592,7 +592,7 @@
 			return;
 		}
 
-		if ($subop == "digest-get-contents") {
+		if ($method == "digest-get-contents") {
 			$article_id = db_escape_string($_REQUEST['article_id']);
 
 			$result = db_query($link, "SELECT content,title,link,marked,published
@@ -614,7 +614,7 @@
 			return;
 		}
 
-		if ($subop == "digest-update") {
+		if ($method == "digest-update") {
 			$feed_id = db_escape_string($_REQUEST['feed_id']);
 			$offset = db_escape_string($_REQUEST['offset']);
 			$seq = db_escape_string($_REQUEST['seq']);
@@ -640,7 +640,7 @@
 			return;
 		}
 
-		if ($subop == "digest-init") {
+		if ($method == "digest-init") {
 			$tmp_feeds = api_get_feeds($link, -4, true, false, 0);
 
 			$feeds = array();
@@ -654,7 +654,7 @@
 			return;
 		}
 
-		if ($subop == "catchupFeed") {
+		if ($method == "catchupFeed") {
 			$feed_id = db_escape_string($_REQUEST['feed_id']);
 			$is_cat = db_escape_string($_REQUEST['is_cat']) == "true";
 
@@ -664,7 +664,7 @@
 			return;
 		}
 
-		if ($subop == "sendEmail") {
+		if ($method == "sendEmail") {
 			$secretkey = $_REQUEST['secretkey'];
 
 			require_once 'lib/phpmailer/class.phpmailer.php';
@@ -723,7 +723,7 @@
 			return;
 		}
 
-		if ($subop == "completeEmails") {
+		if ($method == "completeEmails") {
 			$search = db_escape_string($_REQUEST["search"]);
 
 			print "<ul>";
@@ -739,7 +739,7 @@
 			return;
 		}
 
-		if ($subop == "quickAddCat") {
+		if ($method == "quickAddCat") {
 			$cat = db_escape_string($_REQUEST["cat"]);
 
 			add_feed_category($link, $cat);
@@ -758,7 +758,7 @@
 			return;
 		}
 
-		if ($subop == "regenFeedKey") {
+		if ($method == "regenFeedKey") {
 			$feed_id = db_escape_string($_REQUEST['id']);
 			$is_cat = db_escape_string($_REQUEST['is_cat']) == "true";
 
@@ -769,7 +769,7 @@
 		}
 
 		// Silent
-		if ($subop == "clearKeys") {
+		if ($method == "clearKeys") {
 			db_query($link, "DELETE FROM ttrss_access_keys WHERE
 				owner_uid = " . $_SESSION["uid"]);
 
@@ -777,7 +777,7 @@
 		}
 
 		// Silent
-		if ($subop == "clearArticleKeys") {
+		if ($method == "clearArticleKeys") {
 			db_query($link, "UPDATE ttrss_user_entries SET uuid = '' WHERE
 				owner_uid = " . $_SESSION["uid"]);
 
@@ -785,7 +785,7 @@
 		}
 
 
-		if ($subop == "verifyRegexp") {
+		if ($method == "verifyRegexp") {
 			$reg_exp = $_REQUEST["reg_exp"];
 
 			$status = @preg_match("/$reg_exp/i", "TEST") !== false;
@@ -795,7 +795,7 @@
 		}
 
 		// TODO: unify with digest-get-contents?
-		if ($subop == "cdmGetArticle") {
+		if ($method == "cdmGetArticle") {
 			$ids = array(db_escape_string($_REQUEST["id"]));
 			$cids = explode(",", $_REQUEST["cids"]);
 
@@ -829,7 +829,7 @@
 			return;
 		}
 
-		if ($subop == "scheduleFeedUpdate") {
+		if ($method == "scheduleFeedUpdate") {
 			$feed_id = db_escape_string($_REQUEST["id"]);
 			$is_cat =  db_escape_string($_REQUEST['is_cat']) == 'true';
 
@@ -865,7 +865,7 @@
 			return;
 		}
 
-		if ($subop == "getTweetInfo") {
+		if ($method == "getTweetInfo") {
 			$id = db_escape_string($_REQUEST['id']);
 
 			$result = db_query($link, "SELECT title, link
@@ -884,7 +884,7 @@
 			return;
 		}
 
-		if ($subop == "setNote") {
+		if ($method == "setNote") {
 			$id = db_escape_string($_REQUEST["id"]);
 			$note = trim(strip_tags(db_escape_string($_REQUEST["note"])));
 
@@ -898,7 +898,7 @@
 			return;
 		}
 
-		if ($subop == "genHash") {
+		if ($method == "genHash") {
 			$hash = sha1(uniqid(rand(), true));
 
 			print json_encode(array("hash" => $hash));
@@ -906,6 +906,6 @@
 		}
 
 		print json_encode(array("error" => array("code" => 7,
-			"message" => "Unknown method: $subop")));
+			"message" => "Unknown method: $method")));
 	}
 ?>
diff --git a/modules/popup-dialog.php b/modules/popup-dialog.php
index 26b2e7cf6..13abc947f 100644
--- a/modules/popup-dialog.php
+++ b/modules/popup-dialog.php
@@ -141,7 +141,7 @@
 						var elem = this;
 						dojo.xhrPost({
 							url: 'backend.php',
-							content: {op: 'rpc', subop: 'saveprofile',
+							content: {op: 'rpc', method: 'saveprofile',
 								value: this.value,
 								id: this.srcNodeRef.getAttribute('profile-id')},
 								load: function(response) {
@@ -242,7 +242,7 @@
 		if ($id == "quickAddFeed") {
 
 			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"op\" value=\"rpc\">";
-			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"subop\" value=\"addfeed\">";
+			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"method\" value=\"addfeed\">";
 
 			print "<div class=\"dlgSec\">".__("Feed")."</div>";
 			print "<div class=\"dlgSecCont\">";
@@ -312,7 +312,7 @@
 #				name='feed_browser' id='feed_browser'>";
 
 			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"op\" value=\"rpc\">";
-			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"subop\" value=\"updateFeedBrowser\">";
+			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"method\" value=\"updateFeedBrowser\">";
 
 			print "<div dojoType=\"dijit.Toolbar\">
 				<div style='float : right'>
@@ -440,7 +440,7 @@
 
 			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"op\" value=\"pref-filters\">";
 			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"quiet\" value=\"1\">";
-			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"subop\" value=\"add\">";
+			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"method\" value=\"add\">";
 
 			$result = db_query($link, "SELECT id,description
 				FROM ttrss_filter_types ORDER BY description");
@@ -693,7 +693,7 @@
 
 			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"id\" value=\"$param\">";
 			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"op\" value=\"rpc\">";
-			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"subop\" value=\"setArticleTags\">";
+			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"method\" value=\"setArticleTags\">";
 
 			print "<table width='100%'><tr><td>";
 
@@ -779,7 +779,7 @@
 
 			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"secretkey\" value=\"$secretkey\">";
 			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"op\" value=\"rpc\">";
-			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"subop\" value=\"sendEmail\">";
+			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"method\" value=\"sendEmail\">";
 
 			$result = db_query($link, "SELECT email, full_name FROM ttrss_users WHERE
 				id = " . $_SESSION["uid"]);
@@ -945,7 +945,7 @@
 			print T_sprintf("You can override colors, fonts and layout of your currently selected theme with custom CSS declarations here. <a target=\"_blank\" class=\"visibleLink\" href=\"%s\">This file</a> can be used as a baseline.", "tt-rss.css");
 
 			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"op\" value=\"rpc\">";
-			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"subop\" value=\"setpref\">";
+			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"method\" value=\"setpref\">";
 			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"key\" value=\"USER_STYLESHEET\">";
 
 			print "<table width='100%'><tr><td>";
@@ -973,7 +973,7 @@
 
 			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"id\" value=\"$param\">";
 			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"op\" value=\"rpc\">";
-			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"subop\" value=\"setNote\">";
+			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"method\" value=\"setNote\">";
 
 			print "<table width='100%'><tr><td>";
 			print "<textarea dojoType=\"dijit.form.SimpleTextarea\"
@@ -1025,7 +1025,7 @@
 		if ($id == "addInstance") {
 
 			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\"  name=\"op\" value=\"pref-instances\">";
-			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\"  name=\"subop\" value=\"add\">";
+			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\"  name=\"method\" value=\"add\">";
 
 			print "<div class=\"dlgSec\">".__("Instance")."</div>";
 
diff --git a/modules/pref-feeds.php b/modules/pref-feeds.php
index bbae468bf..089ee2361 100644
--- a/modules/pref-feeds.php
+++ b/modules/pref-feeds.php
@@ -11,11 +11,11 @@
 		global $purge_intervals;
 		global $update_methods;
 
-		$subop = $_REQUEST["subop"];
+		$method = $_REQUEST["method"];
 		$quiet = $_REQUEST["quiet"];
 		$mode = $_REQUEST["mode"];
 
-		if ($subop == "renamecat") {
+		if ($method == "renamecat") {
 			$title = db_escape_string($_REQUEST['title']);
 			$id = db_escape_string($_REQUEST['id']);
 
@@ -26,7 +26,7 @@
 			return;
 		}
 
-		if ($subop == "remtwitterinfo") {
+		if ($method == "remtwitterinfo") {
 
 			db_query($link, "UPDATE ttrss_users SET twitter_oauth = NULL
 				WHERE id = " . $_SESSION['uid']);
@@ -34,7 +34,7 @@
 			return;
 		}
 
-		if ($subop == "getfeedtree") {
+		if ($method == "getfeedtree") {
 
 			$search = $_SESSION["prefs_feed_search"];
 
@@ -160,19 +160,19 @@
 			return;
 		}
 
-		if ($subop == "catsortreset") {
+		if ($method == "catsortreset") {
 			db_query($link, "UPDATE ttrss_feed_categories
 					SET order_id = 0 WHERE owner_uid = " . $_SESSION["uid"]);
 			return;
 		}
 
-		if ($subop == "feedsortreset") {
+		if ($method == "feedsortreset") {
 			db_query($link, "UPDATE ttrss_feeds
 					SET order_id = 0 WHERE owner_uid = " . $_SESSION["uid"]);
 			return;
 		}
 
-		if ($subop == "savefeedorder") {
+		if ($method == "savefeedorder") {
 #			if ($_POST['payload']) {
 #				file_put_contents("/tmp/blahblah.txt", $_POST['payload']);
 #				$data = json_decode($_POST['payload'], true);
@@ -239,7 +239,7 @@
 			return;
 		}
 
-		if ($subop == "removeicon") {
+		if ($method == "removeicon") {
 			$feed_id = db_escape_string($_REQUEST["feed_id"]);
 
 			$result = db_query($link, "SELECT id FROM ttrss_feeds
@@ -252,7 +252,7 @@
 			return;
 		}
 
-		if ($subop == "uploadicon") {
+		if ($method == "uploadicon") {
 			$icon_file = $_FILES['icon_file']['tmp_name'];
 			$feed_id = db_escape_string($_REQUEST["feed_id"]);
 
@@ -282,7 +282,7 @@
 			return;
 		}
 
-		if ($subop == "editfeed") {
+		if ($method == "editfeed") {
 
 			$feed_id = db_escape_string($_REQUEST["id"]);
 
@@ -295,7 +295,7 @@
 
 			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"id\" value=\"$feed_id\">";
 			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"op\" value=\"pref-feeds\">";
-			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"subop\" value=\"editSave\">";
+			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"method\" value=\"editSave\">";
 
 			print "<div class=\"dlgSec\">".__("Feed")."</div>";
 			print "<div class=\"dlgSecCont\">";
@@ -513,7 +513,7 @@
 				<input id=\"icon_file\" size=\"10\" name=\"icon_file\" type=\"file\">
 				<input type=\"hidden\" name=\"op\" value=\"pref-feeds\">
 				<input type=\"hidden\" name=\"feed_id\" value=\"$feed_id\">
-				<input type=\"hidden\" name=\"subop\" value=\"uploadicon\">
+				<input type=\"hidden\" name=\"method\" value=\"uploadicon\">
 				<button dojoType=\"dijit.form.Button\" onclick=\"return uploadFeedIcon();\"
 					type=\"submit\">".__('Replace')."</button>
 				<button dojoType=\"dijit.form.Button\" onclick=\"return removeFeedIcon($feed_id);\"
@@ -550,13 +550,13 @@
 			return;
 		}
 
-		if ($subop == "editfeeds") {
+		if ($method == "editfeeds") {
 
 			$feed_ids = db_escape_string($_REQUEST["ids"]);
 
 			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"ids\" value=\"$feed_ids\">";
 			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"op\" value=\"pref-feeds\">";
-			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"subop\" value=\"batchEditSave\">";
+			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"method\" value=\"batchEditSave\">";
 
 			print "<div class=\"dlgSec\">".__("Feed")."</div>";
 			print "<div class=\"dlgSecCont\">";
@@ -707,7 +707,7 @@
 			return;
 		}
 
-		if ($subop == "editSave" || $subop == "batchEditSave") {
+		if ($method == "editSave" || $method == "batchEditSave") {
 
 			$feed_title = db_escape_string(trim($_POST["title"]));
 			$feed_link = db_escape_string(trim($_POST["feed_url"]));
@@ -754,7 +754,7 @@
 				$cache_images_qpart = "";
 			}
 
-			if ($subop == "editSave") {
+			if ($method == "editSave") {
 
 				$result = db_query($link, "UPDATE ttrss_feeds SET
 					$category_qpart
@@ -773,11 +773,11 @@
 					update_method = '$update_method'
 					WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
 
-			} else if ($subop == "batchEditSave") {
+			} else if ($method == "batchEditSave") {
 				$feed_data = array();
 
 				foreach (array_keys($_POST) as $k) {
-					if ($k != "op" && $k != "subop" && $k != "ids") {
+					if ($k != "op" && $k != "method" && $k != "ids") {
 						$feed_data[$k] = $_POST[$k];
 					}
 				}
@@ -864,7 +864,7 @@
 			return;
 		}
 
-		if ($subop == "resetPubSub") {
+		if ($method == "resetPubSub") {
 
 			$ids = db_escape_string($_REQUEST["ids"]);
 
@@ -874,7 +874,7 @@
 			return;
 		}
 
-		if ($subop == "remove") {
+		if ($method == "remove") {
 
 			$ids = split(",", db_escape_string($_REQUEST["ids"]));
 
@@ -885,12 +885,12 @@
 			return;
 		}
 
-		if ($subop == "clear") {
+		if ($method == "clear") {
 			$id = db_escape_string($_REQUEST["id"]);
 			clear_feed_articles($link, $id);
 		}
 
-		if ($subop == "rescore") {
+		if ($method == "rescore") {
 			$ids = split(",", db_escape_string($_REQUEST["ids"]));
 
 			foreach ($ids as $id) {
@@ -943,7 +943,7 @@
 
 		}
 
-		if ($subop == "rescoreAll") {
+		if ($method == "rescoreAll") {
 
 			$result = db_query($link,
 				"SELECT id FROM ttrss_feeds WHERE owner_uid = " . $_SESSION['uid']);
@@ -996,7 +996,7 @@
 
 		}
 
-		if ($subop == "add") {
+		if ($method == "add") {
 
 			$feed_url = db_escape_string(trim($_REQUEST["feed_url"]));
 			$cat_id = db_escape_string($_REQUEST["cat_id"]);
@@ -1052,7 +1052,7 @@
 					print "<form action=\"backend.php\">";
 					print "<input type=\"hidden\" name=\"op\" value=\"pref-feeds\">";
 					print "<input type=\"hidden\" name=\"quiet\" value=\"1\">";
-					print "<input type=\"hidden\" name=\"subop\" value=\"add\">";
+					print "<input type=\"hidden\" name=\"method\" value=\"add\">";
 
 					print "<select name=\"feed_url\">";
 
@@ -1086,8 +1086,8 @@
 					print "<form method=\"GET\" style='display: inline'
 						action=\"$tp_uri\">
 						<input type=\"hidden\" name=\"tab\" value=\"feedConfig\">
-						<input type=\"hidden\" name=\"subop\" value=\"editFeed\">
-						<input type=\"hidden\" name=\"subopparam\" value=\"$feed_id\">
+						<input type=\"hidden\" name=\"method\" value=\"editFeed\">
+						<input type=\"hidden\" name=\"methodparam\" value=\"$feed_id\">
 						<input type=\"submit\" value=\"".__("Edit subscription options")."\">
 						</form>";
 				}
@@ -1101,7 +1101,7 @@
 			}
 		}
 
-		if ($subop == "categorize") {
+		if ($method == "categorize") {
 
 
 			$ids = split(",", db_escape_string($_REQUEST["ids"]));
@@ -1128,7 +1128,7 @@
 
 		}
 
-		if ($subop == "editCats") {
+		if ($method == "editCats") {
 
 			$action = $_REQUEST["action"];
 
@@ -1232,7 +1232,7 @@
 							var elem = this;
 							dojo.xhrPost({
 								url: 'backend.php',
-								content: {op: 'pref-feeds', subop: 'editCats',
+								content: {op: 'pref-feeds', method: 'editCats',
 									action: 'save',
 									value: this.value,
 									cid: this.srcNodeRef.getAttribute('cat-id')},
@@ -1401,7 +1401,7 @@
 		 __("Loading, please wait...")."</div>";
 
 		print "<div dojoType=\"fox.PrefFeedStore\" jsId=\"feedStore\"
-			url=\"backend.php?op=pref-feeds&subop=getfeedtree\">
+			url=\"backend.php?op=pref-feeds&method=getfeedtree\">
 		</div>
 		<div dojoType=\"lib.CheckBoxStoreModel\" jsId=\"feedModel\" store=\"feedStore\"
 		query=\"{id:'root'}\" rootId=\"root\" rootLabel=\"Feeds\"
diff --git a/modules/pref-filters.php b/modules/pref-filters.php
index cc30dd285..a218511e4 100644
--- a/modules/pref-filters.php
+++ b/modules/pref-filters.php
@@ -81,10 +81,10 @@
 	}
 
 	function module_pref_filters($link) {
-		$subop = $_REQUEST["subop"];
+		$method = $_REQUEST["method"];
 		$quiet = $_REQUEST["quiet"];
 
-		if ($subop == "getfiltertree") {
+		if ($method == "getfiltertree") {
 			$root = array();
 			$root['id'] = 'root';
 			$root['name'] = __('Filters');
@@ -183,7 +183,7 @@
 			return;
 		}
 
-		if ($subop == "edit") {
+		if ($method == "edit") {
 
 			$filter_id = db_escape_string($_REQUEST["id"]);
 
@@ -204,7 +204,7 @@
 
 			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"op\" value=\"pref-filters\">";
 			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"id\" value=\"$filter_id\">";
-			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"subop\" value=\"editSave\">";
+			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"method\" value=\"editSave\">";
 
 			$result = db_query($link, "SELECT id,description
 				FROM ttrss_filter_types ORDER BY description");
@@ -345,7 +345,7 @@
 		}
 
 
-		if ($subop == "editSave") {
+		if ($method == "editSave") {
 
 			global $memcache;
 
@@ -410,7 +410,7 @@
 			return;
 		}
 
-		if ($subop == "remove") {
+		if ($method == "remove") {
 
 			if ($memcache) $memcache->flush();
 
@@ -422,7 +422,7 @@
 			return;
 		}
 
-		if ($subop == "add") {
+		if ($method == "add") {
 
 			if ($memcache) $memcache->flush();
 
@@ -550,7 +550,7 @@
 		 __("Loading, please wait...")."</div>";
 
 		print "<div dojoType=\"dojo.data.ItemFileWriteStore\" jsId=\"filterStore\"
-			url=\"backend.php?op=pref-filters&subop=getfiltertree\">
+			url=\"backend.php?op=pref-filters&method=getfiltertree\">
 		</div>
 		<div dojoType=\"lib.CheckBoxStoreModel\" jsId=\"filterModel\" store=\"filterStore\"
 		query=\"{id:'root'}\" rootId=\"root\" rootLabel=\"Feeds\"
diff --git a/modules/pref-instances.php b/modules/pref-instances.php
index 463dc70c4..ca9a011e1 100644
--- a/modules/pref-instances.php
+++ b/modules/pref-instances.php
@@ -6,9 +6,9 @@
 			return;
 		}
 
-		$subop = $_REQUEST['subop'];
+		$method = $_REQUEST['method'];
 
-		if ($subop == "remove") {
+		if ($method == "remove") {
 			$ids = db_escape_string($_REQUEST['ids']);
 
 			db_query($link, "DELETE FROM ttrss_linked_instances WHERE
@@ -17,7 +17,7 @@
 			return;
 		}
 
-		if ($subop == "add") {
+		if ($method == "add") {
 			$id = db_escape_string($_REQUEST["id"]);
 			$access_url = db_escape_string($_REQUEST["access_url"]);
 			$access_key = db_escape_string($_REQUEST["access_key"]);
@@ -40,7 +40,7 @@
 			return;
 		}
 
-		if ($subop == "edit") {
+		if ($method == "edit") {
 
 			$id = db_escape_string($_REQUEST["id"]);
 
@@ -49,7 +49,7 @@
 
 			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\"  name=\"id\" value=\"$id\">";
 			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\"  name=\"op\" value=\"pref-instances\">";
-			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\"  name=\"subop\" value=\"editSave\">";
+			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\"  name=\"method\" value=\"editSave\">";
 
 			print "<div class=\"dlgSec\">".__("Instance")."</div>";
 
@@ -100,7 +100,7 @@
 			return;
 		}
 
-		if ($subop == "editSave") {
+		if ($method == "editSave") {
 			$id = db_escape_string($_REQUEST["id"]);
 			$access_url = db_escape_string($_REQUEST["access_url"]);
 			$access_key = db_escape_string($_REQUEST["access_key"]);
diff --git a/modules/pref-labels.php b/modules/pref-labels.php
index 72e6dd1e3..f9f2c19e3 100644
--- a/modules/pref-labels.php
+++ b/modules/pref-labels.php
@@ -1,9 +1,9 @@
 <?php
 	function module_pref_labels($link) {
 
-		$subop = $_REQUEST["subop"];
+		$method = $_REQUEST["method"];
 
-		if ($subop == "edit") {
+		if ($method == "edit") {
 			$label_id = db_escape_string($_REQUEST['id']);
 
 			$result = db_query($link, "SELECT * FROM ttrss_labels2 WHERE
@@ -16,7 +16,7 @@
 
 			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"id\" value=\"$label_id\">";
 			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"op\" value=\"pref-labels\">";
-			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"subop\" value=\"save\">";
+			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"method\" value=\"save\">";
 
 			print "<div class=\"dlgSec\">".__("Caption")."</div>";
 
@@ -83,7 +83,7 @@
 			return;
 		}
 
-		if ($subop == "getlabeltree") {
+		if ($method == "getlabeltree") {
 			$root = array();
 			$root['id'] = 'root';
 			$root['name'] = __('Labels');
@@ -116,7 +116,7 @@
 			return;
 		}
 
-		if ($subop == "color-set") {
+		if ($method == "color-set") {
 			$kind = db_escape_string($_REQUEST["kind"]);
 			$ids = split(',', db_escape_string($_REQUEST["ids"]));
 			$color = db_escape_string($_REQUEST["color"]);
@@ -147,7 +147,7 @@
 			return;
 		}
 
-		if ($subop == "color-reset") {
+		if ($method == "color-reset") {
 			$ids = split(',', db_escape_string($_REQUEST["ids"]));
 
 			foreach ($ids as $id) {
@@ -165,7 +165,7 @@
 
 		}
 
-		if ($subop == "save") {
+		if ($method == "save") {
 
 			$id = db_escape_string($_REQUEST["id"]);
 			$caption = db_escape_string(trim($_REQUEST["caption"]));
@@ -210,7 +210,7 @@
 			return;
 		}
 
-		if ($subop == "remove") {
+		if ($method == "remove") {
 
 			$ids = split(",", db_escape_string($_REQUEST["ids"]));
 
@@ -220,7 +220,7 @@
 
 		}
 
-		if ($subop == "add") {
+		if ($method == "add") {
 			$caption = db_escape_string($_REQUEST["caption"]);
 			$output = db_escape_string($_REQUEST["output"]);
 
@@ -293,7 +293,7 @@
 		 __("Loading, please wait...")."</div>";
 
 		print "<div dojoType=\"dojo.data.ItemFileWriteStore\" jsId=\"labelStore\" 
-			url=\"backend.php?op=pref-labels&subop=getlabeltree\">
+			url=\"backend.php?op=pref-labels&method=getlabeltree\">
 		</div>
 		<div dojoType=\"lib.CheckBoxStoreModel\" jsId=\"labelModel\" store=\"labelStore\"
 		query=\"{id:'root'}\" rootId=\"root\"
diff --git a/modules/pref-prefs.php b/modules/pref-prefs.php
index 838c722c3..15fa53490 100644
--- a/modules/pref-prefs.php
+++ b/modules/pref-prefs.php
@@ -3,7 +3,7 @@
 
 		global $access_level_names;
 
-		$subop = $_REQUEST["subop"];
+		$method = $_REQUEST["method"];
 
 		$prefs_blacklist = array("HIDE_READ_FEEDS", "FEEDS_SORT_BY_UNREAD",
 			"STRIP_UNSAFE_TAGS");
@@ -19,7 +19,7 @@
 			array_push($prefs_blacklist, "PURGE_UNREAD_ARTICLES");
 		} */
 
-		if ($subop == "change-password") {
+		if ($method == "change-password") {
 
 			$old_pw = $_POST["old_password"];
 			$new_pw = $_POST["new_password"];
@@ -68,7 +68,7 @@
 
 			return;
 
-		} else if ($subop == "save-config") {
+		} else if ($method == "save-config") {
 
 #			$_SESSION["prefs_op_result"] = "save-config";
 
@@ -95,7 +95,7 @@
 
 			return;
 
-		} else if ($subop == "getHelp") {
+		} else if ($method == "getHelp") {
 
 			$pref_name = db_escape_string($_REQUEST["pn"]);
 
@@ -109,7 +109,7 @@
 				printf(__("Unknown option: %s"), $pref_name);
 			}
 
-		} else if ($subop == "change-email") {
+		} else if ($method == "change-email") {
 
 			$email = db_escape_string($_POST["email"]);
 			$full_name = db_escape_string($_POST["full_name"]);
@@ -123,7 +123,7 @@
 
 			return;
 
-		} else if ($subop == "reset-config") {
+		} else if ($method == "reset-config") {
 
 			$_SESSION["prefs_op_result"] = "reset-to-defaults";
 
@@ -194,7 +194,7 @@
 				print "</table>";
 
 				print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"op\" value=\"pref-prefs\">";
-				print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"subop\" value=\"change-email\">";
+				print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"method\" value=\"change-email\">";
 
 				print "<p><button dojoType=\"dijit.form.Button\" type=\"submit\">".
 					__("Save data")."</button>";
@@ -252,7 +252,7 @@
 				print "</table>";
 
 				print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"op\" value=\"pref-prefs\">";
-				print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"subop\" value=\"change-password\">";
+				print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"method\" value=\"change-password\">";
 
 				print "<p><button dojoType=\"dijit.form.Button\" type=\"submit\">".
 					__("Change password")."</button>";
@@ -488,7 +488,7 @@
 			print '<div dojoType="dijit.layout.ContentPane" region="bottom">';
 
 			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"op\" value=\"pref-prefs\">";
-			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"subop\" value=\"save-config\">";
+			print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"method\" value=\"save-config\">";
 
 			print "<button dojoType=\"dijit.form.Button\" type=\"submit\">".
 				__('Save configuration')."</button> ";
diff --git a/modules/pref-users.php b/modules/pref-users.php
index 7be4eb437..8f6ba10a2 100644
--- a/modules/pref-users.php
+++ b/modules/pref-users.php
@@ -8,12 +8,12 @@
 			return;
 		}
 
-		$subop = $_REQUEST["subop"];
+		$method = $_REQUEST["method"];
 
-		if ($subop == "user-details") {
+		if ($method == "user-details") {
 
 			header("Content-Type: text/xml");
-			print "<dlg id=\"$subop\">";
+			print "<dlg id=\"$method\">";
 
 			$uid = sprintf("%d", $_REQUEST["id"]);
 
@@ -104,13 +104,13 @@
 			return;
 		}
 
-		if ($subop == "edit") {
+		if ($method == "edit") {
 
 			header("Content-Type: text/xml");
 
 			$id = db_escape_string($_REQUEST["id"]);
 
-			print "<dlg id=\"$subop\">";
+			print "<dlg id=\"$method\">";
 			print "<title>".__('User Editor')."</title>";
 			print "<content><![CDATA[";
 
@@ -118,7 +118,7 @@
 
 			print "<input type=\"hidden\" name=\"id\" value=\"$id\">";
 			print "<input type=\"hidden\" name=\"op\" value=\"pref-users\">";
-			print "<input type=\"hidden\" name=\"subop\" value=\"editSave\">";
+			print "<input type=\"hidden\" name=\"method\" value=\"editSave\">";
 
 			$result = db_query($link, "SELECT * FROM ttrss_users WHERE id = '$id'");
 
@@ -190,7 +190,7 @@
 			return;
 		}
 
-		if ($subop == "editSave") {
+		if ($method == "editSave") {
 
 			if ($_SESSION["access_level"] >= 10) {
 
@@ -212,7 +212,7 @@
 					access_level = '$access_level', email = '$email' WHERE id = '$uid'");
 
 			}
-		} else if ($subop == "remove") {
+		} else if ($method == "remove") {
 
 			if ($_SESSION["access_level"] >= 10) {
 
@@ -226,7 +226,7 @@
 					}
 				}
 			}
-		} else if ($subop == "add") {
+		} else if ($method == "add") {
 
 			if ($_SESSION["access_level"] >= 10) {
 
@@ -265,7 +265,7 @@
 					$status_msg = format_warning(T_sprintf("User <b>%s</b> already exists.", $login));
 				}
 			}
-		} else if ($subop == "resetPass") {
+		} else if ($method == "resetPass") {
 
 			if ($_SESSION["access_level"] >= 10) {
 
@@ -449,7 +449,7 @@
 			$uid = $line["id"];
 			$edit_uid = $_REQUEST["id"];
 
-			if ($subop == "edit" && $uid != $edit_uid) {
+			if ($method == "edit" && $uid != $edit_uid) {
 				$class .= " Grayed";
 				$this_row_id = "";
 			} else {
diff --git a/public.php b/public.php
index c2de2185f..5fd9beabd 100644
--- a/public.php
+++ b/public.php
@@ -42,7 +42,7 @@
 
 	init_connection($link);
 
-	$subop = $_REQUEST["subop"];
+	$method = $_REQUEST["method"];
 	$mode = $_REQUEST["mode"];
 
 	if ((!$op || $op == "rss" || $op == "dlg") && !$_REQUEST["noxml"]) {