some more tweaks

.github/workflows/ci.yml

@@ -28,7 +28,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        rust: [1.56.0, stable]
+        rust: [1.70.0, stable]
         os: [ubuntu-latest, macOS-latest, windows-latest]
 
     steps:

README.md

@@ -66,38 +66,6 @@ assert_eq!(&doc.to_string(), node_str);
 [`KdlDocument`], [`KdlNode`], [`KdlEntry`], and [`KdlIdentifier`] can all
 be parsed and managed this way.
 
-#### Query Engine
-
-`kdl` includes a query engine for
-[KQL](https://github.com/kdl-org/kdl/blob/main/QUERY-SPEC.md), which lets you
-pick out nodes from a document using a CSS Selectors-style syntax.
-
-Queries can be done from either a [`KdlDocument`] or a [`KdlNode`], with
-mostly the same semantics.
-
-```rust
-use kdl::KdlDocument;
-
-let doc = r#"
-a {
-    b 1
-    c 2
-    d 3 {
-        e prop="hello"
-    }
-}
-"#.parse::<KdlDocument>().expect("failed to parse KDL");
-
-let results = doc.query("a > b").expect("failed to parse query");
-assert_eq!(results, Some(&doc.nodes()[0].children().unwrap().nodes()[0]));
-
-let results = doc.query_get("e", "prop").expect("failed to parse query");
-assert_eq!(results, Some(&"hello".into()));
-
-let results = doc.query_get_all("a > []", 0).expect("failed to parse query").collect::<Vec<_>>();
-assert_eq!(results, vec![&1.into(), &2.into(), &3.into()]);
-```
-
 ### Error Reporting
 
 [`KdlError`] implements [`miette::Diagnostic`] and can be used to display
@@ -154,6 +122,10 @@ means a few things:
   you [`KdlDocument::fmt`] in which case the original representation will be
   thrown away and the actual value will be used when serializing.
 
+### Minimum Supported Rust Version
+
+You must be at least `1.70.0` tall to get on this ride.
+
 ### License
 
 The code in this repository is covered by [the Apache-2.0

src/lib.rs

@@ -64,39 +64,6 @@
 //! [`KdlDocument`], [`KdlNode`], [`KdlEntry`], and [`KdlIdentifier`] can all
 //! be parsed and managed this way.
 //!
-
-// ### Query Engine
-
-// `kdl` includes a query engine for
-// [KQL](https://github.com/kdl-org/kdl/blob/main/QUERY-SPEC.md), which lets you
-// pick out nodes from a document using a CSS Selectors-style syntax.
-
-// Queries can be done from either a [`KdlDocument`] or a [`KdlNode`], with
-// mostly the same semantics.
-
-// ```rust
-// use kdl::KdlDocument;
-
-// let doc = r#"
-// a {
-//     b 1
-//     c 2
-//     d 3 {
-//         e prop="hello"
-//     }
-// }
-// "#.parse::<KdlDocument>().expect("failed to parse KDL");
-
-// let results = doc.query("a > b").expect("failed to parse query");
-// assert_eq!(results, Some(&doc.nodes()[0].children().unwrap().nodes()[0]));
-
-// let results = doc.query_get("e", "prop").expect("failed to parse query");
-// assert_eq!(results, Some(&"hello".into()));
-
-// let results = doc.query_get_all("a > []", 0).expect("failed to parse query").collect::<Vec<_>>();
-// assert_eq!(results, vec![&1.into(), &2.into(), &3.into()]);
-// ```
-
 //! ## Error Reporting
 //!
 //! [`KdlError`] implements [`miette::Diagnostic`] and can be used to display
@@ -153,11 +120,48 @@
 //!   you [`KdlDocument::fmt`] in which case the original representation will be
 //!   thrown away and the actual value will be used when serializing.
 //!
+//! ## Minimum Supported Rust Version
+//!
+//! You must be at least `1.70.0` tall to get on this ride.
+//!
 //! ## License
 //!
 //! The code in this repository is covered by [the Apache-2.0
 //! License](LICENSE.md).
 
+// TODO(@zkat): bring this back later.
+// ### Query Engine
+
+// `kdl` includes a query engine for
+// [KQL](https://github.com/kdl-org/kdl/blob/main/QUERY-SPEC.md), which lets you
+// pick out nodes from a document using a CSS Selectors-style syntax.
+
+// Queries can be done from either a [`KdlDocument`] or a [`KdlNode`], with
+// mostly the same semantics.
+
+// ```rust
+// use kdl::KdlDocument;
+
+// let doc = r#"
+// a {
+//     b 1
+//     c 2
+//     d 3 {
+//         e prop="hello"
+//     }
+// }
+// "#.parse::<KdlDocument>().expect("failed to parse KDL");
+
+// let results = doc.query("a > b").expect("failed to parse query");
+// assert_eq!(results, Some(&doc.nodes()[0].children().unwrap().nodes()[0]));
+
+// let results = doc.query_get("e", "prop").expect("failed to parse query");
+// assert_eq!(results, Some(&"hello".into()));
+
+// let results = doc.query_get_all("a > []", 0).expect("failed to parse query").collect::<Vec<_>>();
+// assert_eq!(results, vec![&1.into(), &2.into(), &3.into()]);
+// ```
+
 #![deny(missing_debug_implementations, nonstandard_style)]
 #![warn(missing_docs, rust_2018_idioms, unreachable_pub)]
 // #![cfg_attr(test, deny(warnings))]

src/v2_parser.rs

@@ -661,7 +661,7 @@ pub(crate) fn is_disallowed_ident_char(c: char) -> bool {
         || NEWLINES.iter().copied().collect::<String>().contains(c)
         || UNICODE_SPACES.iter().any(|us| us == &c)
         || is_disallowed_unicode(c)
-        || EQUALS_SIGNS.iter().any(|eq| eq == &c)
+        || c == '='
 }
 
 /// `identifier-char := unicode - unicode-space - newline - [\\/(){};\[\]"#] - disallowed-literal-code-points - equals-sign`
@@ -679,11 +679,9 @@ fn identifier_char(input: &mut Input<'_>) -> PResult<char> {
         .parse_next(input)
 }
 
-static EQUALS_SIGNS: [char; 4] = ['=', '﹦', '＝', '🟰'];
-
 /// `equals-sign := See Table ([Equals Sign](#equals-sign))`
 fn equals_sign(input: &mut Input<'_>) -> PResult<()> {
-    one_of(EQUALS_SIGNS).void().parse_next(input)
+    "=".void().parse_next(input)
 }
 
 /// ```text