Relative image urls have to be replaced with absolute urls in order to be able to display them in the email. This failed to be done for urls in styles attributes if they were enclosed in (unicode decimal) single quotes. opw-3452655 closes odoo/odoo#132339 X-original-commit: d952e0117a68dd19e86c45ae75250807231e82ad Signed-off-by: David Monjoie (dmo) <dmo@odoo.com>