### Steps to reproduce the issue Go to "Content > Articles > Add New Article". Enter a paragraph into editor, then select "hr.system-pagebreak" from "Paragraph" drop-down list. ### Expected result "hr.system-pagebreak" option does not work ### Actual result  ### System information (as much as possible) ### Additional comments
Steps to reproduce the issue
Go to "Content > Articles > Add New Article". Enter a paragraph into editor, then select "hr.system-pagebreak" from "Paragraph" drop-down list.
Expected result
"hr.system-pagebreak" option does not work
Actual result
System information (as much as possible)
Additional comments