chore!: Adjust IGNORE pattern

The new pattern is stricter, and will reduce naming collisions

README.md

@@ -870,11 +870,11 @@ Let's assume there's a node type for matching *entire* macros (`macro_invocation
 one to match macro *names* (`((macro_invocation macro: (identifier) @name))`), but
 *none* to match macro *contents* (this is wrong, tree-sitter offers this in the form of
 `token_tree`, but let's imagine...). To match just `"This went error"`, the entire macro
-would need to be matched, with the name part ignored. Any capture name containing
-`IGNORE` will provide just that:
+would need to be matched, with the name part ignored. Any capture name starting with
+`_SRGN_IGNORE` will provide just that:
 
 ```bash
-cat wrong.rs | srgn --rust-query '((macro_invocation macro: (identifier) @IGNORE_name) @macro)' 'error' 'wrong'
+cat wrong.rs | srgn --rust-query '((macro_invocation macro: (identifier) @_SRGN_IGNORE_name) @macro)' 'error' 'wrong'
 ```
 
 ```rust output-wrong.rs

src/scoping/langs/mod.rs

@@ -67,7 +67,7 @@ where
 ///
 /// Useful for queries where tree-sitter doesn't natively support a fitting node type,
 /// and a result is instead obtained by ignoring unwanted parts of bigger captures.
-pub(super) const IGNORE: &str = "IGNORE";
+pub(super) const IGNORE: &str = "_SRGN_IGNORE";
 
 /// A scoper for a language.
 ///
@@ -132,7 +132,7 @@ pub trait LanguageScoper: Scoper {
 
         let ranges = run(query);
 
-        let is_ignored = |name: &str| name.contains(IGNORE);
+        let is_ignored = |name: &str| name.starts_with(IGNORE);
         let has_ignored_captures = query.capture_names().iter().any(|name| is_ignored(name));
 
         if has_ignored_captures {