From: Mark Thom <markjordanthom@gmail.com>
Date: Sun, 23 Feb 2020 20:22:56 +0000 (-0700)
Subject: mention rustup.rs in README (#261)
X-Git-Tag: v0.8.119~70
X-Git-Url: https://git.sagredo.dev/?a=commitdiff_plain;h=1d79e2246815eed8e58bf0d6985891721046a7f6;p=scryer-prolog.git

mention rustup.rs in README (#261)
---

diff --git a/README.md b/README.md
index b605d9d1..6606e691 100644
--- a/README.md
+++ b/README.md
@@ -51,7 +51,7 @@ Extend Scryer Prolog to include the following, among other features:
 - [x] Delimited continuations based on reset/3, shift/1 (documented in
       "Delimited Continuations for Prolog").
 - [x] Tabling library based on delimited continuations
-      (documented in "Tabling as a Library with Delimited Control").      
+      (documented in "Tabling as a Library with Delimited Control").
 - [x] A _redone_ representation of strings as difference list of
       chars, using a packed internal representation.
 - [ ] clp(B) and clp(ℤ) as builtin libraries (_in progress_).
@@ -92,8 +92,14 @@ strings.
 
 First, install the latest stable version of
 [Rust](https://www.rust-lang.org/en-US/install.html) using your
-preferred method. Then install Scryer Prolog with cargo,
-like so:
+preferred method. Scryer tends to use features from newer Rust
+releases, whereas Rust packages in Linux distributions, Macports,
+etc. tend to lag behind. [rustup](http://rustup.rs) will keep your
+Rust updated to the latest stable release; any existing Rust
+distribution should be uninstalled from your system before rustup is
+used.
+
+Scryer Prolog can be installed with cargo, like so:
 
 ```
 $> cargo install scryer-prolog