From ca64273ff9b737c7a21e02042bbf01ef44452c94 Mon Sep 17 00:00:00 2001
From: Vincent Bernat <vincent@bernat.ch>
Date: Sun, 6 Jun 2021 09:55:08 +0200
Subject: [PATCH] pageranges.py: add rel attribute to previous/next links

These attributes allow some extensions to easily jump to the
next/previous article. See
https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/rel#attr-prev.
---
 pageranges.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pageranges.py b/pageranges.py
index af84648..237c267 100644
--- a/pageranges.py
+++ b/pageranges.py
@@ -752,7 +752,9 @@ def prevnexttitle(context, idx):
 	title = wikirend.nolinkstitlerend(nc)
 	if not title:
 		title = pg.path[len(rpath)+1:]
-	return '<a href="%s">%s</a>' % (context.nurl(pg), title)
+	direction = {0: "prev", 1: "next"}[idx]
+	return '<a rel="%s" href="%s">%s</a>' % (direction,
+						 context.nurl(pg), title)
 def prevtitle(context):
 	"""Create a link to the previous page (if one exists) for the
 	current page if the current page is in a blog directory but is