liquid_feedback_frontend: env/ui/actions.lua annotate

liquid_feedback_frontend

Set identification to null if empty string

rev	line source
bsw@595	1 function ui.actions(content)
bsw@1045	2 slot.select("actions", function()
bsw@595	3 ui.container{ attr = { class = "actions" }, content = content }
bsw@595	4 end)
bsw@595	5 end