docgen fixes for selectors.nim
docgen fixes for selectors.nim

jfhg/Nim,jfhg/Nim,jfhg/Nim,singularperturbation/Nim,dom96/Nim,jfhg/Nim,tulayang/Nim,singularperturbation/Nim,singularperturbation/Nim,singularperturbation/Nim,haiodo/Nim,haiodo/Nim,russpowers/Nim,jfhg/Nim,dom96/Nim,tulayang/Nim,russpowers/Nim,jfhg/Nim,dom96/Nim,singularperturbation/Nim,russpowers/Nim,dom96/Nim,russpowers/Nim,dom96/Nim,tulayang/Nim,tulayang/Nim,dom96/Nim,tulayang/Nim,russpowers/Nim,haiodo/Nim,singularperturbation/Nim,haiodo/Nim,dom96/Nim,jfhg/Nim,haiodo/Nim,singularperturbation/Nim,tulayang/Nim,russpowers/Nim,haiodo/Nim,haiodo/Nim,russpowers/Nim