how forth works.
This package owes a massive debt to the existence of the literate programming
-project [JonesForth] (https://rwmj.wordpress.com/2010/08/07/jonesforth-git-repository/),
+project [JonesForth](https://rwmj.wordpress.com/2010/08/07/jonesforth-git-repository/),
which was an amazing read. To a large degree my package is simply a port of
that project from x86 assembly + forth to julia + forth, although the mapping
is in a few places non-trivial due to the fact that julia is a high level
julia> Pkg.clone("https://github.com/tgvaughan/forth.jl")
-Currently, forth.jl **requires** Julia 0.5. (Incompatabilities between 0.4 and 0.5
-mean that I cannot support both versions.)
+Currently, forth.jl **requires** Julia 0.6. (Incompatabilities exist between
+0.6 and previous versions of julia, particularly the handling of [world age](https://github.com/JuliaLang/julia/pull/17057).)
## Usage