thanks for your help, I just have fond it with our friend google =) here : http://209.85.135.104/search?q=cache:EOfsT0OYRQcJ:ez.no/download/ez_publish/changelogs/ez_publish_3_8/changelog_3_6_x_3_7_x_to_3_8_0+%22AllowEmpty+setting:+Is+this+allowed+to+have+empty+paragraphs+in+eZXML%22&hl=fr&ct=clnk&cd=1&gl=fr