From a869633d85f363bbbd90b2341954960d8d98eb71 Mon Sep 17 00:00:00 2001
From: Kirill-Hatalski <kirill.gatalsky@taotesting.com>
Date: Wed, 12 Jun 2024 15:25:48 +0300
Subject: [PATCH 1/2] fix: removing hb special symbols around placeholder

---
 src/qtiItem/core/Container.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/qtiItem/core/Container.js b/src/qtiItem/core/Container.js
index 9e3560b7..cd5ee4b7 100644
--- a/src/qtiItem/core/Container.js
+++ b/src/qtiItem/core/Container.js
@@ -127,7 +127,10 @@ var Container = Element.extend({
                     //@todo : container rendering merging, to be tested
                     tpl = tpl.replace(elt.placeholder(), elt.render(renderer));
                 } else {
-                    tpl = tpl.replace(elt.placeholder(), '{{{' + serial + '}}}');
+                    tpl = tpl
+                        .replace(elt.placeholder(), serial)
+                        .replace('{', '&lcub;')
+                        .replace(serial, '{{{' + serial + '}}}');
                     elementsData[serial] = elt.render(renderer);
                 }
             } else {

From 460d8f5f34ac49d4747289b628abaa4fa6bd4e19 Mon Sep 17 00:00:00 2001
From: Kirill-Hatalski <kirill.gatalsky@taotesting.com>
Date: Thu, 13 Jun 2024 15:31:20 +0300
Subject: [PATCH 2/2] fix: after review fixes

---
 src/qtiItem/core/Container.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/qtiItem/core/Container.js b/src/qtiItem/core/Container.js
index cd5ee4b7..baf13f6b 100644
--- a/src/qtiItem/core/Container.js
+++ b/src/qtiItem/core/Container.js
@@ -129,7 +129,7 @@ var Container = Element.extend({
                 } else {
                     tpl = tpl
                         .replace(elt.placeholder(), serial)
-                        .replace('{', '&lcub;')
+                        .replace(new RegExp(`{${serial}`), `&lcub;${serial}`)
                         .replace(serial, '{{{' + serial + '}}}');
                     elementsData[serial] = elt.render(renderer);
                 }