Attempt to assign a language when a new buffer is saved

zed/src/editor.rs

@@ -4,6 +4,7 @@ mod element;
 pub mod movement;
 
 use crate::{
+    language::Language,
     settings::Settings,
     theme::Theme,
     time::ReplicaId,
@@ -449,6 +450,10 @@ impl Editor {
         }
     }
 
+    pub fn language<'a>(&self, cx: &'a AppContext) -> Option<&'a Arc<Language>> {
+        self.buffer.read(cx).language()
+    }
+
     pub fn set_placeholder_text(
         &mut self,
         placeholder_text: impl Into<Arc<str>>,