Check empty values for booki publish.
Check empty values for booki publish.

sourcefabric/Booktype,rob-hills/Booktype,sourcefabric/Booktype,MiczFlor/Booktype,rob-hills/Booktype,ride90/Booktype,ride90/Booktype,sourcefabric/Booktype,MiczFlor/Booktype,kronoscode/Booktype,danielhjames/Booktype,kronoscode/Booktype,okffi/booktype,btat/Booktype,danielhjames/Booktype,ride90/Booktype,kronoscode/Booktype,kronoscode/Booktype,MiczFlor/Booktype,aerkalov/Booktype,eos87/Booktype,rob-hills/Booktype,eos87/Booktype,danielhjames/Booktype,eos87/Booktype,olegpshenichniy/Booktype,olegpshenichniy/Booktype,sourcefabric/Booktype,olegpshenichniy/Booktype,okffi/booktype,rob-hills/Booktype,olegpshenichniy/Booktype,btat/Booktype,btat/Booktype,danielhjames/Booktype,MiczFlor/Booktype,okffi/booktype,sourcefabric/Booktype,eos87/Booktype,MiczFlor/Booktype,danielhjames/Booktype,aerkalov/Booktype,olegpshenichniy/Booktype,ride90/Booktype,ride90/Booktype,aerkalov/Booktype,btat/Booktype,okffi/booktype,okffi/booktype,kronoscode/Booktype,eos87/Booktype