workaround for imprecise font measurement

plugins/node_modules/ace/lib/ace/layer/font_metrics.js

@@ -36,7 +36,7 @@ var lang = require("../lib/lang");
 var useragent = require("../lib/useragent");
 var EventEmitter = require("../lib/event_emitter").EventEmitter;
 
-var CHAR_COUNT = 100;
+var CHAR_COUNT = 256;
 var USE_OBSERVER = typeof ResizeObserver == "function";
 
 var FontMetrics = exports.FontMetrics = function(parentEl) {

plugins/node_modules/ace/lib/ace/layer/text.js

@@ -460,7 +460,7 @@ var Text = function(parentEl) {
         this.$renderToken(stringBuilder, screenColumn, token,
             value.slice(0, this.MAX_LINE_LENGTH - screenColumn));
         stringBuilder.push(
-            "<span class='ace_inline_button ace_keyword ace_toggle_wrap'>&lt;click to see more...&gt;</span>"
+            "<span style='position:absolute;right:0' class='ace_inline_button ace_keyword ace_toggle_wrap'>&lt;click to see more...&gt;</span>"
         );
     };