potential fix for fontscaling

MarkdownLivePreview.py

@@ -232,6 +232,11 @@ class MarkdownLivePreviewListener(sublime_plugin.EventListener):
         if markdown_view.buffer_id() == 0:
             return
 
+        # Check if the phantom set still exists for this view ID
+        if markdown_view.id() not in self.phantom_sets:
+            # View might have been closed between modification and update
+            return
+
         self.last_update = time.time()
 
         total_region = sublime.Region(0, markdown_view.size())
@@ -253,10 +258,6 @@ class MarkdownLivePreviewListener(sublime_plugin.EventListener):
             font_scale,
         )
 
-        print("--- HTML Content Sent to Phantom ---")
-        print(html)
-        print("--- End HTML Content ---")
-
         self.phantom_sets[markdown_view.id()].update(
             [
                 sublime.Phantom(