From 95c7325ac2aa89043e2ab39b86a3dc1615bee5ce Mon Sep 17 00:00:00 2001
From: topecongiro <seuchida@gmail.com>
Date: Wed, 15 Nov 2017 15:46:00 +0900
Subject: [PATCH] Do not get tricked by a nested comment

---
 src/lists.rs | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/lists.rs b/src/lists.rs
index a5d2334dcdab..dc55a8261fa9 100644
--- a/src/lists.rs
+++ b/src/lists.rs
@@ -572,10 +572,12 @@ where
             let comment_end = match self.inner.peek() {
                 Some(..) => {
                     let mut block_open_index = post_snippet.find("/*");
-                    // check if it really is a block comment (and not //*)
+                    // check if it really is a block comment (and not `//*` or a nested comment)
                     if let Some(i) = block_open_index {
-                        if i > 0 && &post_snippet[i - 1..i] == "/" {
-                            block_open_index = None;
+                        match post_snippet.find("/") {
+                            Some(j) if j < i => block_open_index = None,
+                            _ if i > 0 && &post_snippet[i - 1..i] == "/" => block_open_index = None,
+                            _ => (),
                         }
                     }
                     let newline_index = post_snippet.find('\n');