MAGETWO-64716: Product name ignores HTML tags and displays plain text

Author: Sergii Kovalenko

app/code/Magento/Catalog/etc/eav_attributes.xml

@@ -29,6 +29,9 @@
         <attribute code="price_type">
             <field code="is_searchable" locked="true" />
         </attribute>
+        <attribute code="name">
+            <field code="is_html_allowed_on_front" locked="true"/>
+        </attribute>
         <attribute code="category_ids">
             <field code="is_searchable" locked="true" />
             <field code="used_for_sort_by" locked="true" />

lib/web/mage/adminhtml/form.js

@@ -438,7 +438,7 @@ define([
                     isInArray = values.indexOf(from.value) != -1; //eslint-disable-line
                     isNegative = valuesFrom[idFrom].negative;
 
-                    if (!from || isInArray && isNegative || !isInArray && !isNegative) {
+                    if (!from ||isInArray && isNegative || !isInArray && !isNegative) {
                         shouldShowUp = false;
                     }
                 }
@@ -488,8 +488,13 @@ define([
 
                     if (isAnInputOrSelect && !isInheritCheckboxChecked) {
                         if (target) {
-                            target.disabled = false;
+                            if (target.getAttribute('readonly')) {
+                                target.disabled = true;
+                            } else {
+                                target.disabled = false;
+                            }
                         }
+
                         jQuery('#' + idTo).removeClass('ignore-validate');
                     }
                 }