Merging upstream version 1.71.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 9 insertions, 2 deletions

diff --git a/vendor/pest_meta/src/optimizer/mod.rs b/vendor/pest_meta/src/optimizer/mod.rs
index 2038753b8..f9cde831c 100644
--- a/vendor/pest_meta/src/optimizer/mod.rs
+++ b/vendor/pest_meta/src/optimizer/mod.rs
@@ -102,6 +102,13 @@ pub struct OptimizedRule {
 }
 
 /// The optimized version of the pest AST's `Expr`.
+///
+/// # Warning: Semantic Versioning
+/// There may be non-breaking changes to the meta-grammar
+/// between minor versions. Those non-breaking changes, however,
+/// may translate into semver-breaking changes due to the additional variants
+/// propaged from the `Rule` enum. This is a known issue and will be fixed in the
+/// future (e.g. by increasing MSRV and non_exhaustive annotations).
 #[derive(Clone, Debug, Eq, PartialEq)]
 pub enum OptimizedExpr {
     /// Matches an exact string, e.g. `"a"`
@@ -543,7 +550,7 @@ mod tests {
             use crate::ast::Expr::*;
             vec![Rule {
                 name: "rule".to_owned(),
-                ty: RuleType::Silent,
+                ty: RuleType::Atomic,
                 expr: box_tree!(Choice(
                     Seq(Ident(String::from("a")), Ident(String::from("b"))),
                     Ident(String::from("a"))
@@ -554,7 +561,7 @@ mod tests {
             use crate::optimizer::OptimizedExpr::*;
             vec![OptimizedRule {
                 name: "rule".to_owned(),
-                ty: RuleType::Silent,
+                ty: RuleType::Atomic,
                 expr: box_tree!(Seq(Ident(String::from("a")), Opt(Ident(String::from("b"))))),
             }]
         };