From 40477ece850a658ade267420ee78dce4d9ff3919 Mon Sep 17 00:00:00 2001
From: Simon Legner <Simon.Legner@gmail.com>
Date: Thu, 8 Aug 2019 15:22:12 +0200
Subject: [PATCH] go: move `id`s to kept elements

---
 lib/docs/filters/go/clean_html.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/docs/filters/go/clean_html.rb b/lib/docs/filters/go/clean_html.rb
index 9acc91c7..a286c66b 100644
--- a/lib/docs/filters/go/clean_html.rb
+++ b/lib/docs/filters/go/clean_html.rb
@@ -17,6 +17,7 @@ module Docs
         css('#plusone', '#nav', '.pkgGopher', '#footer', '.collapsed', '.permalink', '#pkg-callgraph').remove
 
         css('span[style]', '.toggleVisible', '.expanded', 'div.toggle').each do |node|
+          node.first_element_child['id'] = node['id'] if node['id']
           node.before(node.children).remove
         end