From 7e15befa1ada130ffa88a8e30a23a5731d3ac81f Mon Sep 17 00:00:00 2001
From: Tim Hoffmann <2836374+timhoffm@users.noreply.github.com>
Date: Sun, 12 Sep 2021 20:36:14 +0200
Subject: [PATCH] Backport PR #21053: Fix validate_markevery docstring markup.

---
 lib/matplotlib/rcsetup.py | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/lib/matplotlib/rcsetup.py b/lib/matplotlib/rcsetup.py
index 9f6b9d53ca62..e582f5cb575a 100644
--- a/lib/matplotlib/rcsetup.py
+++ b/lib/matplotlib/rcsetup.py
@@ -485,14 +485,11 @@ def validate_markevery(s):
 
     Parameters
     ----------
-    s : None, int, float, slice, length-2 tuple of ints,
-        length-2 tuple of floats, list of ints
+    s : None, int, (int, int), slice, float, (float, float), or list[int]
 
     Returns
     -------
-    None, int, float, slice, length-2 tuple of ints,
-        length-2 tuple of floats, list of ints
-
+    None, int, (int, int), slice, float, (float, float), or list[int]
     """
     # Validate s against type slice float int and None
     if isinstance(s, (slice, float, int, type(None))):