Remove original taginfo debouce

and shorten key/value queries to 3 chars to prevent
unnecessary requests. Assumption is that 3 chars is
specific enough

js/id/services/taginfo.js

@@ -35,6 +35,15 @@ iD.taginfo = function() {
         return _.omit(parameters, 'geometry');
     }
 
+    function shorten(parameters) {
+        if (!parameters.query) {
+            delete parameters.query;
+        } else {
+            parameters.query = parameters.query.slice(0, 3);
+        }
+        return parameters;
+    }
+
     function popularKeys(parameters) {
         var pop_field = 'count_all';
         if (parameters.filter) pop_field = 'count_' + parameters.filter;
@@ -68,10 +77,10 @@ iD.taginfo = function() {
     }
 
     taginfo.keys = function(parameters, callback) {
-        parameters = clean(setSort(setFilter(parameters)));
+        parameters = clean(shorten(setSort(setFilter(parameters))));
         request(endpoint + 'keys/all?' +
             iD.util.qsString(_.extend({
-                rp: 6,
+                rp: 10,
                 sortname: 'count_all',
                 sortorder: 'desc',
                 page: 1
@@ -82,7 +91,7 @@ iD.taginfo = function() {
     };
 
     taginfo.values = function(parameters, callback) {
-        parameters = clean(setSort(setFilter(parameters)));
+        parameters = clean(shorten(setSort(setFilter(parameters))));
         request(endpoint + 'key/values?' +
             iD.util.qsString(_.extend({
                 rp: 20,

js/id/ui/taglist.js

@@ -212,18 +212,18 @@ iD.ui.Taglist = function() {
 
         var keyinput = key.select('input');
         key.call(d3.combobox()
-            .fetcher(_.debounce(function(_, __, callback) {
+            .fetcher(function(_, __, callback) {
                 taginfo.keys({
                     geometry: geometry,
                     query: keyinput.property('value')
                 }, function(err, data) {
                     if (!err) callback(sort(keyinput.property('value'), data));
                 });
-            }, 500)));
+            }));
 
         var valueinput = value.select('input');
         value.call(d3.combobox()
-            .fetcher(_.debounce(function(_, __, callback) {
+            .fetcher(function(_, __, callback) {
                 taginfo.values({
                     key: keyinput.property('value'),
                     geometry: geometry,
@@ -231,7 +231,7 @@ iD.ui.Taglist = function() {
                 }, function(err, data) {
                     if (!err) callback(sort(valueinput.property('value'), data));
                 });
-            }, 500)));
+            }));
     }
 
     function focusNewKey() {