Update inclusive range syntax, fix script pathname, crate deps (#547)

Fix docs directing developer to incorrect pathname for spellcheck.sh
Add note on the normal behavior of spellcheck.sh for clarity
Fix instances of inclusive range syntax to use '..=' style
Depend directly on percent-encoding instead of expecting re-exports
This commit compiles and tests correctly on rustc v1.37.0

link-checker found 452 failures before this commit
link-checker found 452 failures after this commit
no new errors were added by this commit

.github/PULL_REQUEST_TEMPLATE.md

@@ -12,7 +12,7 @@ No worries if anything in these lists is unclear. Just submit the PR and ask awa
 - [ ] commits are squashed into one and rebased to latest master
 - [ ] PR contains correct "fixes #ISSUE_ID" clause to autoclose the issue on PR merge
     -  if issue does not exist consider creating it or remove the clause
-- [ ] spell check runs without errors `./ci/spellchecker.sh`
+- [ ] spell check runs without errors `./ci/spellcheck.sh`
 - [ ] link check runs without errors `link-checker ./book`
 - [ ] non rendered items are in sorted order (links, reference, identifiers, Cargo.toml)
 - [ ] links to docs.rs have wildcard version `https://docs.rs/tar/*/tar/struct.Entry.html`

CONTRIBUTING.md

@@ -89,10 +89,10 @@ To check the spelling of the Rust Cookbook locally, run the following command
 from the root of the Cookbook.
 
 ```
-./ci/spellchecker.sh
+./ci/spellcheck.sh
 
 # or, if you're using a different locale
-LANG=en_US.UTF-8 ./ci/spellchecker.sh
+LANG=en_US.UTF-8 ./ci/spellcheck.sh
 ```
 
 If the spell checker finds a misspelled word, you have the opportunity to
@@ -100,6 +100,8 @@ correct the spelling mistake with the number keys.  If the spelling mistake
 is erroneous, add the word to the dictionary located in `ci/dictionary.txt`.
 Pressing `a` or `l` will not add the word to the custom dictionary.
 
+If there are no errors, it will just print the local Aspell version and exit.
+
 [mdbook]: https://github.com/rust-lang-nursery/mdBook
 [python]: https://packaging.python.org/tutorials/installing-packages/#install-pip-setuptools-and-wheel
 [skeptic]: https://github.com/brson/rust-skeptic

Cargo.toml

@@ -32,6 +32,7 @@ nalgebra = "0.16.12"
 ndarray = "0.12"
 num = "0.2"
 num_cpus = "1.8"
+percent-encoding = "2.1"
 petgraph = "0.4"
 postgres = "0.15"
 rand = "0.6"
@@ -51,7 +52,7 @@ tempdir = "0.3.5"
 threadpool = "1.6"
 toml = "0.4"
 unicode-segmentation = "1.2.1"
-url = "1.6"
+url = "2.1"
 walkdir = "2.0"
 
 [target.'cfg(target_os = "linux")'.dependencies]

src/concurrency/thread/threadpool-fractal.md

@@ -42,18 +42,18 @@ use image::{ImageBuffer, Pixel, Rgb};
 #     let wave = wavelength as f32;
 #
 #     let (r, g, b) = match wavelength {
-#         380...439 => ((440. - wave) / (440. - 380.), 0.0, 1.0),
-#         440...489 => (0.0, (wave - 440.) / (490. - 440.), 1.0),
-#         490...509 => (0.0, 1.0, (510. - wave) / (510. - 490.)),
-#         510...579 => ((wave - 510.) / (580. - 510.), 1.0, 0.0),
-#         580...644 => (1.0, (645. - wave) / (645. - 580.), 0.0),
-#         645...780 => (1.0, 0.0, 0.0),
+#         380..=439 => ((440. - wave) / (440. - 380.), 0.0, 1.0),
+#         440..=489 => (0.0, (wave - 440.) / (490. - 440.), 1.0),
+#         490..=509 => (0.0, 1.0, (510. - wave) / (510. - 490.)),
+#         510..=579 => ((wave - 510.) / (580. - 510.), 1.0, 0.0),
+#         580..=644 => (1.0, (645. - wave) / (645. - 580.), 0.0),
+#         645..=780 => (1.0, 0.0, 0.0),
 #         _ => (0.0, 0.0, 0.0),
 #     };
 #
 #     let factor = match wavelength {
-#         380...419 => 0.3 + 0.7 * (wave - 380.) / (420. - 380.),
-#         701...780 => 0.3 + 0.7 * (780. - wave) / (780. - 700.),
+#         380..=419 => 0.3 + 0.7 * (wave - 380.) / (420. - 380.),
+#         701..=780 => 0.3 + 0.7 * (780. - wave) / (780. - 700.),
 #         _ => 1.0,
 #     };
 #

src/encoding/string/percent-encode.md

@@ -1,21 +1,24 @@
 ## Percent-encode a string
 
-[![url-badge]][url] [![cat-encoding-badge]][cat-encoding]
+[![url-badge]][percent-encoding] [![cat-encoding-badge]][cat-encoding]
 
 Encode an input string with [percent-encoding] using the [`utf8_percent_encode`]
-function from the `url` crate. Then decode using the [`percent_decode`]
+function from the `percent-encoding` crate. Then decode using the [`percent_decode`]
 function.
 
 ```rust
-extern crate url;
+extern crate percent_encoding;
 
-use url::percent_encoding::{utf8_percent_encode, percent_decode, DEFAULT_ENCODE_SET};
+use percent_encoding::{utf8_percent_encode, percent_decode, AsciiSet, CONTROLS};
 use std::str::Utf8Error;
 
+/// https://url.spec.whatwg.org/#fragment-percent-encode-set
+const FRAGMENT: &AsciiSet = &CONTROLS.add(b' ').add(b'"').add(b'<').add(b'>').add(b'`');
+
 fn main() -> Result<(), Utf8Error> {
     let input = "confident, productive systems programming";
 
-    let iter = utf8_percent_encode(input, DEFAULT_ENCODE_SET);
+    let iter = utf8_percent_encode(input, FRAGMENT);
     let encoded: String = iter.collect();
     assert_eq!(encoded, "confident,%20productive%20systems%20programming");