Improve Kernel.LexicalTracker module docs (#4803)
Improve Kernel.LexicalTracker module docs (#4803)


beedub/elixir,antipax/elixir,gfvcastro/elixir,pedrosnk/elixir,antipax/elixir,ggcampinho/elixir,elixir-lang/elixir,beedub/elixir,joshprice/elixir,kimshrier/elixir,michalmuskala/elixir,kimshrier/elixir,kelvinst/elixir,ggcampinho/elixir,kelvinst/elixir,lexmag/elixir,pedrosnk/elixir,gfvcastro/elixir,lexmag/elixir