Update readme
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John Andrews
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README.md
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README.md
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@ -6,70 +6,71 @@ SuperCollider/Emacs interface
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There are 3 options for installation:
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1. Using Emacs' and SuperCollider's own package managers (recommended)
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1. Using SuperCollider Quarks (recommended)
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2. From debian package `supercollider-emacs`
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3. From source
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Option #1 is the best cross-platform option, and is recommended. Whatever option
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you choose, you should only install from a single source.
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you choose, make sure not to mix installation methods. In particular, do not
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install the Quark if you already have the supercollider-emacs package or if you
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compiled SuperCollider with the `-DSC_EL=ON` option. Otherwise you will get an
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error from SuperCollider about duplicated classes.
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### Install Option 1: Native Packages
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### Install Option 1: SuperCollider's own package manager
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The repository contains two subprojects. `/el` contains the emacs-lisp
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implementation. `/scide_scel` contains the SuperCollider code required to
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implement the Emacs interface. Emacs and SuperCollider each have their own
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package managers, so it is required to install each half separately.
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implementation. `/sc` contains the SuperCollider code required to
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implement the Emacs interface. SuperCollider has its own package system
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called Quarks, which we can use to install both halves.
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#### Installing scel quark
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The `scel` Quark is required for emacs to communicate with sclang. Evaluate this
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code in the SuperCollider GUI:
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Evaluate this code in the SuperCollider GUI by pasting it and pressing
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shift+enter:
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``` supercollider
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Quarks.install("https://github.com/supercollider/scel");
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```
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The scel repository will be downloaded to your local file system and the path
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will be added to your default `sclang_conf.yaml` file. If you want to change the
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yaml file used by your emacs sessions you can customize the
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`sclang-library-configuration-file` variable, but make sure that file loads
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the scel quark.
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will be added to your default `sclang_conf.yaml` file. (You can find its
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location by evaluating `Platform.userConfigDir`)
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#### Installing the emacs mode
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Next, find out where scel was installed. You will use this install-path in your
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emacs config.
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Using [straight.el](https://github.com/raxod502/straight.el), put the following
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in your init file:
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``` supercollider
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Quarks.folder.postln;
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``` emacs-lisp
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;; in ~/.emacs
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(straight-use-package
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'(sclang :type git
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:host github
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:repo "supercollider/scel"
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:files ("el/*.el")))
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```
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Or download the repo directly to your user config directory
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``` shell
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git clone https://github.com/supercollider/scel.git ~/.emacs.d/scel
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// -> /Users/jxa/Library/Application Support/SuperCollider/downloaded-quarks
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```
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Now in your emacs config, add the `/el` subdirectory to your load path
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``` emacs-lisp
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;; in ~/.emacs
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(add-to-list 'load-path "~/.emacs.d/scel/el/")
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;; Paste path from above, appending "/scel/el"
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(add-to-list 'load-path "/Users/jxa/Library/Application Support/SuperCollider/downloaded-quarks/scel/el")
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(require 'sclang)
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```
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#### On macOS
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If `sclang` executable is not on your path, you may need to add it to your
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exec-path.
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``` emacs-lisp
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;; in ~/.emacs
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(setq exec-path (append exec-path '("/Applications/SuperCollider.app/Contents/MacOS/")))
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```
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#### Installing with an emacs package manager
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It's completely possible to install with
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[straight.el](https://github.com/raxod502/straight.el),
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[use-package](https://github.com/jwiegley/use-package),
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[doom](https://github.com/hlissner/doom-emacs), etc. Instructions for doing so
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are beyond the scope of this README, but note that `autoloads` are implemented
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for entry-point functions so if you like to have a speedy start-up time you can
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use the `:defer t` option.
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### Install Option 2: Debian package
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There is a debian package which provides emacs integration called
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@ -97,6 +98,20 @@ the rest of the functionality without the w3m dependency.
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(require 'w3m)
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```
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## Usage
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The main function which starts interacting with the sclang interpreter is
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`sclang-start`. You can execute that anywhere with `M-x sclang-start`, or from
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within a `.scd` buffer by pressing `C-c C-o`.
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If you know you want to launch sclang when you start emacs you can use the `-f`
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option to execute that function right away:
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``` shell
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# in your terminal
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emacs -f sclang-start
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```
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## Configuration
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To fine-tune the installation from within emacs' graphical customization
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@ -104,13 +119,10 @@ interface, type:
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`M-x sclang-customize`
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## Usage
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Open a `.scd` file and press `C-c C-o` to start the interpreter.
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You're now ready to edit, inspect and execute sclang code!
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If you want to change from the default `sclang_conf.yaml` file used by your
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emacs sessions you can customize the `sclang-library-configuration-file`
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variable, but make sure that file loads the scel quark, or you won't be
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able to run sclang code.
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## Getting help
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