if @cursor.n.text.length is 1 # if emptying text node
if run.length is 1 # if emptying text run (of text/br/hr/inline-block)
# remove inline-parents of @cursor.n
if @cursor.n.text.length is 1 # if emptying text node
if run.length is 1 # if emptying text run (of text/br/hr/inline-block)
# remove inline-parents of @cursor.n