Auto merge of #15712 - cuishuang:master, r=lnicola

minor: Remove repetitive words

Author: bors

crates/ide/src/syntax_highlighting.rs

@@ -245,7 +245,7 @@ fn traverse(
     let mut macro_highlighter = MacroHighlighter::default();
 
     // FIXME: these are not perfectly accurate, we determine them by the real file's syntax tree
-    // an an attribute nested in a macro call will not emit `inside_attribute`
+    // an attribute nested in a macro call will not emit `inside_attribute`
     let mut inside_attribute = false;
     let mut inside_macro_call = false;
 

crates/mbe/src/expander.rs

@@ -119,7 +119,7 @@ enum Fragment {
     /// precedence. Note that this impl is different from the one currently in
     /// `rustc` -- `rustc` doesn't translate fragments into token trees at all.
     ///
-    /// At one point in time, we tried to to use "fake" delimiters here a-la
+    /// At one point in time, we tried to use "fake" delimiters here à la
     /// proc-macro delimiter=none. As we later discovered, "none" delimiters are
     /// tricky to handle in the parser, and rustc doesn't handle those either.
     Expr(tt::TokenTree),