From 2006994ae6c4e313b6a26b399a27981e15b5144b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Emilio=20Cobos=20=C3=81lvarez?= <emilio@crisal.io>
Date: Thu, 20 Jul 2017 19:05:16 +0200
Subject: [PATCH] Add a comment about visited style inheritance.

---
 components/style/style_resolver.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/components/style/style_resolver.rs b/components/style/style_resolver.rs
index bd3eb57f75b..71598ab14d2 100644
--- a/components/style/style_resolver.rs
+++ b/components/style/style_resolver.rs
@@ -474,6 +474,9 @@ where
             cascade_flags.insert(SKIP_ROOT_AND_ITEM_BASED_DISPLAY_FIXUP);
         }
         if cascade_visited.visited_dependent_only() {
+            // If this element is a link, we want its visited style to inherit
+            // from the regular style of its parent, because only the
+            // visitedness of the relevant link should influence style.
             if pseudo.is_some() || !self.element.is_link() {
                 parent_style = parent_style.map(|s| {
                     s.get_visited_style().unwrap_or(s)