Separe error text in exception between user and support.

extension/qfq/qfq/helper/OnString.php

@@ -179,7 +179,11 @@ class OnString {
             } else { // closing delimiter
                 $exprDepth--;
                 if ($exprDepth < 0) {
-                    throw new UserFormException("Too many closing delimiters '$delimEnd' in '" . $str . "'", ERROR_MISSING_OPEN_DELIMITER);
+                    throw new UserFormException(json_encode([ERROR_MESSAGE_TO_USER => "Too many closing delimiters '$delimEnd'",
+                        ERROR_MESSAGE_SUPPORT => "in '$str'"]), ERROR_MISSING_OPEN_DELIMITER);
+
+
+
                     break;
                 } elseif ($exprDepth == 0) {
                     // end of nesting -> replace \n inside nested expression with space
@@ -196,7 +200,8 @@ class OnString {
             $lastDelimPos = $nextDelimPos;
         }
         if ($exprDepth > 0 ) {
-            throw new UserFormException("Missing close delimiter '$delimEnd' in '" . $str . "'", ERROR_MISSING_CLOSE_DELIMITER);
+            throw new UserFormException(json_encode([ERROR_MESSAGE_TO_USER => "Missing close delimiter '$delimEnd'",
+                ERROR_MESSAGE_SUPPORT => "in '$str'"]), ERROR_MISSING_CLOSE_DELIMITER);
         }
 
         return $str;