From 03faa9500ffc9864f5842e064939c576f25ca6d5 Mon Sep 17 00:00:00 2001
From: sandraros <34005250+sandraros@users.noreply.github.com>
Date: Sun, 26 Sep 2021 12:45:08 +0200
Subject: [PATCH] urgent fix of PR 805 (syntax error in write class) (#812)

Co-authored-by: sandraros <sandra.rossi@gmail.com>
---
 src/zcl_excel_writer_2007.clas.abap | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/zcl_excel_writer_2007.clas.abap b/src/zcl_excel_writer_2007.clas.abap
index 26c7b6d..139c39c 100644
--- a/src/zcl_excel_writer_2007.clas.abap
+++ b/src/zcl_excel_writer_2007.clas.abap
@@ -3593,8 +3593,8 @@ CLASS zcl_excel_writer_2007 IMPLEMENTATION.
                                                        parent = lo_document ).
       lo_sub_element = lo_document->create_simple_element( name   = lc_xml_node_t
                                                            parent = lo_document ).
-      IF contains( val = <fs_sheet_string>-string_value start = ` ` ) = abap_true
-            OR contains( val = <fs_sheet_string>-string_value end = ` ` ) = abap_true.
+      IF boolc( contains( val = <fs_sheet_string>-string_value start = ` ` ) ) = abap_true
+            OR boolc( contains( val = <fs_sheet_string>-string_value end = ` ` ) ) = abap_true.
         lo_sub_element->set_attribute( name = 'space' namespace = 'xml' value = 'preserve' ).
       ENDIF.
       lo_sub_element->set_value( value = <fs_sheet_string>-string_value ).