From bb5274356779378614e69e3bd4d9eeb2ce7891d3 Mon Sep 17 00:00:00 2001
From: aignatov-bio <aignatov@biosistemika.com>
Date: Mon, 23 Nov 2020 16:29:22 +0100
Subject: [PATCH] Fix merge cells for pdf reports

---
 config/initializers/constants.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/config/initializers/constants.rb b/config/initializers/constants.rb
index af1ee7e80..337c9e469 100644
--- a/config/initializers/constants.rb
+++ b/config/initializers/constants.rb
@@ -320,7 +320,8 @@ class Constants
 
   WHITELISTED_ATTRIBUTES = [
     'href', 'src', 'width', 'height', 'alt', 'cite', 'datetime', 'title',
-    'class', 'name', 'xml:lang', 'abbr', 'style', 'target', :data, 'border', 'contenteditable'
+    'class', 'name', 'xml:lang', 'abbr', 'style', 'target', :data, 'border', 'contenteditable',
+    'colspan', 'rowspan'
   ].freeze
 
   WHITELISTED_CSS_ATTRIBUTES = {