Use default `languages.toml` if user's is invalid (#994)

1 files changed, 2 insertions, 1 deletions

diff --git a/helix-core/src/syntax.rs b/helix-core/src/syntax.rs
index a5dd0c59..142265a8 100644
--- a/helix-core/src/syntax.rs
+++ b/helix-core/src/syntax.rs
@@ -40,13 +40,14 @@ where
 }
 
 #[derive(Debug, Serialize, Deserialize)]
+#[serde(deny_unknown_fields)]
 pub struct Configuration {
     pub language: Vec<LanguageConfiguration>,
 }
 
 // largely based on tree-sitter/cli/src/loader.rs
 #[derive(Debug, Serialize, Deserialize)]
-#[serde(rename_all = "kebab-case")]
+#[serde(rename_all = "kebab-case", deny_unknown_fields)]
 pub struct LanguageConfiguration {
     #[serde(rename = "name")]
     pub language_id: String,