From f88f8dc97fa4baa354a7e04c125dd6968a22c85f Mon Sep 17 00:00:00 2001
From: Alex Yatskov <alex@foosoft.net>
Date: Mon, 25 Jul 2016 20:07:54 -0700
Subject: Sentence and URL support

---
 ext/fg/js/source-input.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'ext/fg/js/source-input.js')

diff --git a/ext/fg/js/source-input.js b/ext/fg/js/source-input.js
index 9f5a76a0..d3c92793 100644
--- a/ext/fg/js/source-input.js
+++ b/ext/fg/js/source-input.js
@@ -18,9 +18,13 @@
 
 
 class TextSourceInput {
-    constructor(input) {
+    constructor(input, length=-1) {
         this.input = input;
-        this.length = -1;
+        this.length = length;
+    }
+
+    clone() {
+        return new TextSourceInput(this.input, this.length);
     }
 
     text() {
-- 
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