Rename rustc-guide -> rustc-dev-guide

posts/inside-rust/2020-03-09-rename-rustc-guide.md

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+---
+layout: post
+title: "The rustc-guide is now rustc-dev-guide"
+author: mark-i-m
+description: "the guide has been renamed"
+team: the rustc learning working group <https://www.rust-lang.org/governance/teams/compiler#wg-learning>
+---
+
+You may or may not be aware of two similarly named resources:
+- [The rustc book](https://doc.rust-lang.org/rustc/index.html)
+- [The rustc-guide](https://rust-lang.github.io/rustc-dev-guide/)
+
+What's difference? The "rustc book" is intended as a guide for _users_ of the
+compiler. The "rustc-guide" is intended as a guide for _developers_ of the
+compiler. However, the names have always been confusingly similar.
+
+**For that reason, we have decided to rename the `rustc-guide` to
+`rustc-dev-guide`.**
+
+We have put significant work into finding and updating links around the
+`rust-lang/*` repos. We have also put up a website in place of the former
+`rustc-guide` website that points to the book and rustc-dev-guide.
+
+You can find more information in [this issue][gh]. If you have any questions or
+concerns, please feel free to contact us either by opening an [issue on the
+rustc-dev-guide repo][repo] or on our [zulip channel][zulip].
+
+[gh]: https://github.com/rust-lang/rustc-dev-guide/issues/602
+[repo]: https://github.com/rust-lang/rustc-dev-guide
+[zulip]: https://rust-lang.zulipchat.com/#narrow/stream/196385-t-compiler.2Fwg-learning