Allow dots in requested page name

.htaccess

@@ -2,4 +2,4 @@
     RewriteRule ^$           main  [QSA]
     RewriteRule ^index\.php$ wiki.php?page=main  [QSA]
     RewriteCond %{REQUEST_URI} !(/includes/|/media)
-    RewriteRule ^([A-Za-z0-9\/]+)/?$ wiki.php?page=$1 [QSA]
+    RewriteRule ^([A-Za-z0-9\.\/]+)/?$ wiki.php?page=$1 [QSA]

wiki.php

@@ -17,6 +17,10 @@ if (strpos($page, "../") !== false) {
 }
 $content_file = "articles/$page.md";
 
+// When you need some debugging
+//echo "<br>page: $page";
+//echo "<br>content file: $content_file";
+
 $Parsedown = new Parsedown();
 $Parsedown->setSafeMode(true);