Template:Delete when empty

{{SAFESUBST:#invoke:Unsubst||$B={{#ifexpr:{{PAGESINCAT:{{PAGENAME}}|R}}=0+1

|{{db-c1}}

|{{cmbox

|image=File:Ambox clock.svg

|text=An editor has requested that when this category has been empty for 7 days it be uncontroversially deleted under criterion C1. This may be because a template which was previously populating this category has been changed.

}}

}}}}

{{documentation}}