From 03510ad38f3f1a43252d2d63af9debaf6186d927 Mon Sep 17 00:00:00 2001
From: Erick Hitter <git-contrib@ethitter.com>
Date: Sat, 27 Mar 2021 23:32:21 -0700
Subject: [PATCH] WP compat

---
 inc/class-wp-revisions-control.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/inc/class-wp-revisions-control.php b/inc/class-wp-revisions-control.php
index d747f7c..a744fe3 100644
--- a/inc/class-wp-revisions-control.php
+++ b/inc/class-wp-revisions-control.php
@@ -292,7 +292,10 @@ class WP_Revisions_Control {
 	 */
 	public function action_add_meta_boxes( $post_type, $post ) {
 		if (
-			use_block_editor_for_post( $post )
+			(
+				function_exists( 'use_block_editor_for_post' )
+				&& use_block_editor_for_post( $post )
+			)
 			|| ! post_type_supports( $post_type, 'revisions' )
 			|| 'auto-draft' === get_post_status()
 			|| count( wp_get_post_revisions( $post ) ) < 1
-- 
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