1 files changed, 7 insertions, 1 deletions
diff --git a/ext/fg/js/source-input.js b/ext/fg/js/source-input.js
index 0bea977b..9f5a76a0 100644
--- a/ext/fg/js/source-input.js
+++ b/ext/fg/js/source-input.js
@@ -32,8 +32,14 @@ class TextSourceInput {
         return this.input.nodeName === 'BUTTON' ? this.input.innerHTML : this.input.value;
     }
 
-    setLength(length) {
+    setStartOffset(length) {
+        // NOP
+        return 0;
+    }
+
+    setEndOffset(length) {
         this.length = length;
+        return length;
     }
 
     containsPoint(point) {