Merge #7218

7218: Fix typos r=Veykril a=regexident

Apart from the very last commit on this PR (which fixes a public type's name) all changes are non-breaking.

Co-authored-by: Vincent Esche <regexident@gmail.com>

crates/syntax/src/validation.rs

@@ -173,7 +173,7 @@ pub(crate) fn validate_block_structure(root: &SyntaxNode) {
                     assert_eq!(
                         node.parent(),
                         pair.parent(),
-                        "\nunpaired curleys:\n{}\n{:#?}\n",
+                        "\nunpaired curlys:\n{}\n{:#?}\n",
                         root.text(),
                         root,
                     );