Posted 6 December 2017, 11:13 pm EST
Hello,
When exporting a grid that has a group on a column that contains text like “j’ai raté l’avion”, the group’s header contains “j'ai raté l'avion” instead.
You can see in the picture below, this also reproduces on your demo (http://demos.wijmo.com/5/Angular2/ExcelImportExport/ExcelImportExport/FlexGridImportExport.htm)