From c9fa1e9fc1af37ecba8f5df15c1fd1e8dcd83e42 Mon Sep 17 00:00:00 2001
From: Michael Howell <michael@notriddle.com>
Date: Fri, 8 Oct 2021 16:35:32 -0700
Subject: [PATCH] Add docs that say, somewhere, what `non_ts` means

---
 components/selectors/parser.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/components/selectors/parser.rs b/components/selectors/parser.rs
index b562b8b55b5..24916db0e54 100644
--- a/components/selectors/parser.rs
+++ b/components/selectors/parser.rs
@@ -262,6 +262,9 @@ pub trait Parser<'i> {
         false
     }
 
+    /// Parses non-tree-structural pseudo-classes. Tree structural pseudo-classes,
+    /// like `:first-child`, are built into this library.
+    ///
     /// This function can return an "Err" pseudo-element in order to support CSS2.1
     /// pseudo-elements.
     fn parse_non_ts_pseudo_class(