Required fields

Hello, I have to user fields, one is required (Author) and eMail is not required, but if I left eMail empty a value is required as if “required” where checked.

http://www.observandoeluniverso.com/wordpress/sample-page/

[wordpress_file_upload uploadpatterns=”*.jpg, *.png, *.gif, *.bmp” maxsize=”5″ placements=”title/userdata/subfolders/filename+selectbutton+uploadbutton/progressbar/message” notify=”true” notifyrecipients=”[email protected]” userdata=”true” userdatalabel=”Autor|t:text|s:left|r:1|a:0|p:inline|d:/eMail|t:email|s:left|r:0|a:0|v:1|p:right|d:|g:0″]

https://ww.wp.xz.cn/plugins/wp-file-upload/