Created editors.md with instructions for setting up Emacs.

README.md

@@ -2,7 +2,7 @@
 
 **An agent-based, socio-economic-ecological model of agricultural landscapes
 in Europe under the CAP.**
-
+	
 ## Description
 
 Persephone models farmers' decision making and its impact on species in agricultural
@@ -15,13 +15,13 @@ It is currently in the very early stages of development.
 
 Install the latest version of the [Julia](https://julialang.org/downloads/) programming 
 language. The recommended editors are [VSCode](https://www.julia-vscode.org/) or
-[Emacs](https://www.emacswiki.org/emacs/JuliaProgrammingLanguage).
-Then, open a Julia commandline and install the 
-[Agents.jl](https://juliadynamics.github.io/Agents.jl/stable/) framework using
-`using Pkg; Pkg.add("Agents")`.
+[Emacs](https://www.emacswiki.org/emacs/JuliaProgrammingLanguage) (see `docs/editors.md`).
 
 Run the simulation by executing `run.jl` from the commandline, or loading it from
-within a Julia REPL with `include("run.jl")`.
+within a Julia REPL with `include("run.jl")`. All dependencies should be
+automatically installed.
+
+This model uses the [Agents.jl](https://juliadynamics.github.io/Agents.jl/stable/) framework.
 
 ---
 

docs/editors.md

+# Julia editors
+
+## Emacs
+
+There are a couple of addons that make working with Julia much nicer in Emacs:
+
+1. `julia-mode` gives syntax highlighting. Install with `M-x package-install julia-mode`.
+
+2. [`julia-snail`](https://github.com/gcv/julia-snail) provides IDE-like features, 
+   especially a fully-functional REPL and the ability to evaluate code straight from inside a buffer.
+   Note that the installation can be somewhat tricky. You first need to manually install
+   all the dependencies of its dependency [vterm](https://github.com/akermu/emacs-libvterm),
+   then install vterm itself with `M-x package-install vterm`, *before* you can do
+   `M-x package-install julia-snail`. Then add it to your `init.el` with
+   `(require 'julia-snail)` and `(add-hook 'julia-mode-hook #'julia-snail-mode)`.
+
+3. [`Revise.jl`](https://timholy.github.io/Revise.jl/stable/) allows one to reload code
+   without restarting the Julia interpreter. Get it with `Pkg.add("Revise")`, then 
+   add `using Revise` to `.julia/config/startup.jl` to have it automatically available.
+   
+4. [`company-mode`](http://company-mode.github.io/) integrates with Snail to give code 
+   completion. Install with `M-x package-install company`, then add 
+   `(add-hook 'julia-mode-hook #'company-mode)` and 
+   `(global-set-key (kbd "C-<tab>") 'company-complete)` to your `init.el`.
+   
+5. [`magit`](https://magit.vc/) is a great git interface for Emacs. Install with
+   `M-x package-install magit` and add `(global-set-key (kbd "C-x g") 'magit-status)`
+   to your `init.el`.
+
+## VSCode
+
+See [here](https://www.julia-vscode.org/).
+
+*TODO: add more detail.*