From 28efcfc0830133c058f9443f5934c6f9c0aa7132 Mon Sep 17 00:00:00 2001
From: Vitaly _Vi Shukela <vi0oss@gmail.com>
Date: Thu, 1 Feb 2018 17:07:43 +0300
Subject: [PATCH] rustdoc: Fix erroneous collapsing of second+ inherent impl.

---
 src/librustdoc/html/static/main.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/librustdoc/html/static/main.js b/src/librustdoc/html/static/main.js
index befa1cc53f3..3d9841ec526 100644
--- a/src/librustdoc/html/static/main.js
+++ b/src/librustdoc/html/static/main.js
@@ -1745,8 +1745,9 @@
     function autoCollapseAllImpls() {
         // Automatically minimize all non-inherent impls
         onEach(document.getElementsByClassName('impl'), function(n) {
-            if (n.id !== 'impl') {
-                // non-inherent impl
+            // inherent impl ids are like 'impl' or impl-<number>'
+            var inherent = (n.id.match(/^impl(?:-\d+)?$/) !== null);
+            if (!inherent) {
                 onEach(n.childNodes, function(m) {
                     if (hasClass(m, "collapse-toggle")) {
                         collapseDocs(m, "hide");