From 904168fe144b5ebabe6d691930a59127b049ac74 Mon Sep 17 00:00:00 2001
From: Mazdak Farrokhzad <twingoow@gmail.com>
Date: Wed, 9 Oct 2019 01:52:19 +0200
Subject: [PATCH] mbe: leave a FIXME

---
 src/libsyntax_expand/mbe/macro_parser.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/libsyntax_expand/mbe/macro_parser.rs b/src/libsyntax_expand/mbe/macro_parser.rs
index 2edb4925512..3efe22626a9 100644
--- a/src/libsyntax_expand/mbe/macro_parser.rs
+++ b/src/libsyntax_expand/mbe/macro_parser.rs
@@ -890,6 +890,9 @@ fn may_begin_with(token: &Token, name: Name) -> bool {
 ///
 /// The parsed non-terminal.
 fn parse_nt(p: &mut Parser<'_>, sp: Span, name: Symbol) -> Nonterminal {
+    // FIXME(Centril): Consider moving this to `parser.rs` to make
+    // the visibilities of the methods used below `pub(super)` at most.
+
     if name == sym::tt {
         return token::NtTT(p.parse_token_tree());
     }