From: Joe Nahmias <jello@debian.org>
Date: Wed, 29 Oct 2025 23:09:00 -0400
Subject: fix implicit nullability for PHP 8.4

Fixes all issues that emit deprecation notices on PHP 8.4 for implicit
nullable parameter type declarations.

Based on upstream commit 6ae01284b835bddc0264a2ac4e63f570b9457357
https://github.com/erusev/parsedown/commit/6ae01284b835bddc0264a2ac4e63f570b9457357
---
 Parsedown.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Parsedown.php b/Parsedown.php
index 1b9d6d5..d9b5476 100644
--- a/Parsedown.php
+++ b/Parsedown.php
@@ -712,7 +712,7 @@ class Parsedown
     #
     # Setext
 
-    protected function blockSetextHeader($Line, array $Block = null)
+    protected function blockSetextHeader($Line, ?array $Block = null)
     {
         if ( ! isset($Block) or isset($Block['type']) or isset($Block['interrupted']))
         {
@@ -850,7 +850,7 @@ class Parsedown
     #
     # Table
 
-    protected function blockTable($Line, array $Block = null)
+    protected function blockTable($Line, ?array $Block = null)
     {
         if ( ! isset($Block) or isset($Block['type']) or isset($Block['interrupted']))
         {