diff --git a/lib/ace/document.js b/lib/ace/document.js
index de77582e..6968e8f0 100644
--- a/lib/ace/document.js
+++ b/lib/ace/document.js
@@ -277,10 +277,6 @@ var Document = function(textOrLines) {
         console.warn('Use of document.insertNewLine is deprecated. Use insertMergedLines(position, [\'\', \'\']) instead.');
         return this.insertMergedLines(position, ['', '']);
     };
-    this.insertInLine = function(position, text) {
-        console.warn('Use of document.insertInLine is deprecated. Use insert instead.');
-        return this.insert(position, text);
-    };
 
     /**
     * Inserts a block of `text` at the indicated `position`.
@@ -298,6 +294,39 @@ var Document = function(textOrLines) {
         return this.insertMergedLines(position, this.$split(text));
     };
     
+    /**
+    * Inserts `text` into the `position` at the current row. This method also triggers the `'change'` event.
+    * 
+    * This differs from the `insert` method in two ways:
+    *   1. This does NOT handle newline characters (single-line text only).
+    *   2. This is faster than the `insert` method for single-line text insertions.
+    * 
+    * @param {Object} position The position to insert at; it's an object that looks like `{ row: row, column: column}`
+    * @param {String} text A chunk of text
+    * @returns {Object} Returns an object containing the final row and column, like this:  
+    *     ```
+    *     {row: endRow, column: 0}
+    *     ```
+    **/
+    this.insertInLine = function(position, text) {
+        
+        // Calculate insertion range end point.
+        this.$clipPosition(position);
+        var endPoint = {
+            row : position.row,
+            column : position.column + text.length
+        };
+        
+        // Apply delta (emits change).
+        this.applyDelta({
+            action: "insert",
+            range: Range.fromPoints(position, endPoint),
+            lines: [text]
+        });
+        
+        return endPoint;
+    };
+    
     /**
     * Fires whenever the document changes.
     *
diff --git a/lib/ace/ext/elastic_tabstops_lite.js b/lib/ace/ext/elastic_tabstops_lite.js
index a8c3570c..9901c5df 100644
--- a/lib/ace/ext/elastic_tabstops_lite.js
+++ b/lib/ace/ext/elastic_tabstops_lite.js
@@ -236,7 +236,7 @@ var ElasticTabstopsLite = function(editor) {
             if (difference > 0) {
                 // put the spaces after the tab and then delete the tab, so any insertion
                 // points behave as expected
-                this.$editor.session.getDocument().insert({row: row, column: it + 1}, Array(difference + 1).join(" ") + "\t");
+                this.$editor.session.getDocument().insertInLine({row: row, column: it + 1}, Array(difference + 1).join(" ") + "\t");
                 this.$editor.session.getDocument().removeInLine(row, it, it + 1);
 
                 bias += difference;
diff --git a/lib/ace/ext/whitespace.js b/lib/ace/ext/whitespace.js
index be0cde28..83486fb0 100644
--- a/lib/ace/ext/whitespace.js
+++ b/lib/ace/ext/whitespace.js
@@ -153,7 +153,7 @@ exports.convertIndentation = function(session, ch, len) {
 
             if (toInsert != match) {
                 doc.removeInLine(i, 0, match.length);
-                doc.insert({row: i, column: 0}, toInsert);
+                doc.insertInLine({row: i, column: 0}, toInsert);
             }
         }
     }
diff --git a/lib/ace/mode/text.js b/lib/ace/mode/text.js
index 76ba15b5..343fc271 100644
--- a/lib/ace/mode/text.js
+++ b/lib/ace/mode/text.js
@@ -92,8 +92,8 @@ var Mode = function() {
                 if (testRemove(line, i))
                     return;
                 if (!ignoreBlankLines || /\S/.test(line)) {
-                    doc.insert({row: i, column: line.length}, lineCommentEnd);
-                    doc.insert({row: i, column: minIndent}, lineCommentStart);
+                    doc.insertInLine({row: i, column: line.length}, lineCommentEnd);
+                    doc.insertInLine({row: i, column: minIndent}, lineCommentStart);
                 }
             };