Fix typo in Delimited::open_tt

src/libsyntax/ext/tt/macro_rules.rs

@@ -748,7 +748,7 @@ impl TokenSet {
 }
 
 // Checks that `matcher` is internally consistent and that it
-// can legally by followed by a token N, for all N in `follow`.
+// can legally be followed by a token `N`, for all `N` in `follow`.
 // (If `follow` is empty, then it imposes no constraint on
 // the `matcher`.)
 //

src/libsyntax/ext/tt/quoted.rs

@@ -27,7 +27,7 @@ impl Delimited {
         let open_span = if span.is_dummy() {
             span
         } else {
-            span.with_lo(span.lo() + BytePos(self.delim.len() as u32))
+            span.with_hi(span.lo() + BytePos(self.delim.len() as u32))
         };
         TokenTree::token(token::OpenDelim(self.delim), open_span)
     }