From be86b68886eebdfb8ed50aa87d02555e1e04377b Mon Sep 17 00:00:00 2001
From: nadrad <me@nader.pm>
Date: Thu, 13 Oct 2022 10:45:40 +0200
Subject: [PATCH] fix the problem with opening empty files

---
 h-m-m | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/h-m-m b/h-m-m
index 723ed2c..3d60c21 100755
--- a/h-m-m
+++ b/h-m-m
@@ -455,6 +455,11 @@ function load_file(&$mm)
 	// won't cause any problems.
 	$new_nodes = list_to_map($lines, 0, 2);
 
+	if (empty($new_nodes))
+	{
+		load_empty_map($mm);
+		return;
+	}
 
 	// checking to see how many first-level nodes we have
 	$first_level_nodes = [];