// ===================
//
// This is [Rust-101](https://www.ralfj.de/projects/rust-101/), a small tutorial for
-// the [Rust language](http://www.rust-lang.org/). It is intended to be an interactive,
+// the [Rust language](https://www.rust-lang.org/). It is intended to be an interactive,
// hands-on course: I believe the only way to *really* learn a language is to write code
// in it, so you should be coding during the course.
//
// a garbage collector) or vice versa. Rust can run without dynamic allocation (i.e., without
// a heap), and even without an operating system. In fact, Rust rules out more classes of bugs
// than languages that achieve safety with a garbage collector: Besides dangling pointers and
-// double-free, Rust also prevents issues such as iterator invalidation and data races.
+// double-free, Rust also prevents issues such as iterator invalidation and data races. Finally,
+// it cleans up behind you, and deallocates resources (memory, but also file descriptors and really
+// anything) when you don't need them anymore.
//
//
// Getting started
// ---------------
//
// You will need to have Rust installed, of course. It is available for download on
-// [the Rust website](http://www.rust-lang.org/). Make sure you get at least version 1.2.
+// [the Rust website](https://www.rust-lang.org/). Make sure you get at least version 1.3.
// More detailed installation instructions are provided in
-// [the second chapter of The Book](https://doc.rust-lang.org/stable/book/installing-rust.html).
+// [The Book](https://doc.rust-lang.org/stable/book/).
// This will also install `cargo`, the tool responsible for building rust projects (or *crates*).
//
-// Next, fetch the Rust-101 source code from the [git repository](http://www.ralfj.de/git/rust-101.git)
-// (also available [on GitHub](https://github.com/RalfJung/rust-101), and as a
-// [zip archive](https://github.com/RalfJung/rust-101/archive/master.zip) in case you don't have git installed).
+// Next, we have to prepare a workspace for you to conduct your Rust-101 work in, so that you don't
+// have to start with an empty file. The easiest way is to [download the workspace](https://www.ralfj.de/projects/rust-101/workspace.zip)
+// matching the online tutorial. Try `cargo build` in that new folder to check that compiling your workspace succeeds.
+// (You can also execute it with `cargo run`, but you'll need to do some work before this does anything useful.)
//
-// There is a workspace prepared for you in the `workspace` folder. I suggest you copy this
-// folder somewhere else. Try `cargo build` in that new folder to check that compiling your workspace succeeds.
-// (You can also execute it with `cargo run`, but you'll need to do some work before this will succeed.)
+// Alternatively, you can build the workspace from source by fetching the [git repository](https://www.ralfj.de/git/rust-101.git)
+// and running `make workspace`.
// Course Content
// --------------
//
// ### Basic Rust
//
-// * [Part 04: Ownership, Borrowing](part04.html)
+// * [Part 04: Ownership, Borrowing, References](part04.html)
// * [Part 05: Clone](part05.html)
// * [Part 06: Copy, Lifetimes](part06.html)
// * [Part 07: Operator Overloading, Tests, Formating](part07.html)
// * [Rust by Example](http://rustbyexample.com/)
// * The [Rust Subreddit](https://www.reddit.com/r/rust/)
// * A [collection of links](https://github.com/ctjhoa/rust-learning) to blog posts, articles, videos, etc. for learning Rust.
-// * For the IRC channel and other forums, see the "Community" section of the [Rust Documentation index](http://doc.rust-lang.org/index.html)
+// * For the IRC channel and other forums, see the "Community" section of the [Rust Documentation index](https://doc.rust-lang.org/index.html)
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