#2195 : Fix issue with help_text encoding.
#2195 : Fix issue with help_text encoding.

lino-framework/welfare,lsaffre/lino-welfare,lino-framework/welfare,lsaffre/lino-welfare,lsaffre/lino-welfare,lsaffre/lino-welfare,lino-framework/welfare,lsaffre/lino-welfare,lino-framework/welfare,lino-framework/welfare