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Clarified installation instructions. Added instructions for ProofGeneral.

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François Pottier 2017-09-21 22:04:18 +02:00
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README.md
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@ -143,15 +143,19 @@ available with solutions:
## Recommended software
OCaml 4.0x and Coq **8.5**.
Please install [opam](https://opam.ocaml.org/doc/Install.html) first.
Once you have installed [opam](https://opam.ocaml.org/doc/Install.html), use the following commands:
Then, install OCaml 4.0x and Coq **8.5** via the following commands:
```bash
opam init --comp=4.05 # for instance
opam repo add coq-released https://coq.inria.fr/opam/released
opam update
opam install -j4 -v coq.8.5.3
```
(Do *not* install Coq 8.6. The version of AutoSubst that I am using is
not compatible with it. If for some reason you need Coq 8.6, or have
already installed Coq 8.6, note that `opam switch` can be used to let
multiple versions of Coq coexist.)
Please also install François Pottier's
[variant](https://github.com/fpottier/autosubst)
@ -162,6 +166,25 @@ git clone git@github.com:fpottier/autosubst.git
make -C autosubst install
```
In order to use Coq inside `emacs`,
[ProofGeneral](https://proofgeneral.github.io/)
is highly recommended.
Here is a suggested installation script:
```bash
rm -rf /tmp/PG
cd /tmp
git clone git@github.com:ProofGeneral/PG.git
cd PG
EMACS=/Applications/Aquamacs.app/Contents/MacOS/Aquamacs
if [ ! -x $EMACS ]; then
EMACS=emacs
fi
make EMACS=$EMACS compile
TARGET=/usr/local/share/emacs/site-lisp/ProofGeneral
sudo rm -rf $TARGET
sudo mv /tmp/PG $TARGET
```
## Bibliography
[Types and Programming Languages](https://mitpress.mit.edu/books/types-and-programming-languages),