-var _infscroll_disable = 0;
-var _infscroll_request_sent = 0;
+let _infscroll_disable = 0;
+let _infscroll_request_sent = 0;
-var _search_query = false;
-var _viewfeed_last = 0;
-var _viewfeed_timeout = false;
+let _search_query = false;
+let _viewfeed_last = 0;
+let _viewfeed_timeout = false;
-var counters_last_request = 0;
-var _counters_prev = [];
+let counters_last_request = 0;
+let _counters_prev = [];
function resetCounterCache() {
_counters_prev = [];
-var init_params = new Array();
+let init_params = new Array();
-var hotkey_prefix = false;
-var hotkey_prefix_pressed = false;
+let hotkey_prefix = false;
+let hotkey_prefix_pressed = false;
-var seq = "";
+let seq = "";
function notify_callback2(transport, sticky) {
notify_info(transport.responseText, sticky);
-var global_unread = -1;
-var hotkey_prefix = false;
-var hotkey_prefix_pressed = false;
-var hotkey_actions = {};
-var _widescreen_mode = false;
-var _rpc_seq = 0;
-var _active_feed_id = 0;
-var _active_feed_is_cat = false;
+let global_unread = -1;
+let hotkey_prefix = false;
+let hotkey_prefix_pressed = false;
+let hotkey_actions = {};
+let _widescreen_mode = false;
+let _rpc_seq = 0;
+let _active_feed_id = 0;
+let _active_feed_is_cat = false;
function next_seq() {
_rpc_seq += 1;
-var _active_article_id = 0;
+let _active_article_id = 0;
-var vgroup_last_feed = false;
-var post_under_pointer = false;
+let vgroup_last_feed = false;
+let post_under_pointer = false;
-var last_requested_article = false;
+let last_requested_article = false;
-var catchup_id_batch = [];
-var catchup_timeout_id = false;
+let catchup_id_batch = [];
+let catchup_timeout_id = false;
-var cids_requested = [];
-var loaded_article_ids = [];
-var _last_headlines_update = 0;
-var _headlines_scroll_offset = 0;
-var current_first_id = 0;
-var last_search_query;
+let cids_requested = [];
+let loaded_article_ids = [];
+let _last_headlines_update = 0;
+let _headlines_scroll_offset = 0;
+let current_first_id = 0;
+let last_search_query;
-var _catchup_request_sent = false;
+let _catchup_request_sent = false;
-var has_storage = 'sessionStorage' in window && window['sessionStorage'] !== null;
+let has_storage = 'sessionStorage' in window && window['sessionStorage'] !== null;
function headlines_callback2(transport, offset, background, infscroll_req) {
handle_rpc_json(transport);