doc: improve neomake-makers-processing/neomake-makers-mapexpr
doc: improve neomake-makers-processing/neomake-makers-mapexpr

codeinabox/neomake,euclio/neomake,bonds/neomake,nerdrew/neomake,nerdrew/neomake,euclio/neomake,datanoise/neomake,neomake/neomake,bonds/neomake,neomake/neomake