add info if note is html

imap2md/export-imap-notes.py

@@ -57,6 +57,7 @@ for i in range(messages, max(0, messages-N), -1):
                     open(filepath, "wb").write(body.replace('\r\n', '\n').encode('utf8'))
 
             if content_type == "text/html":
+                print('>> html')
                 md = markdownify(body)
                 if md[:4] == 'html':
                     md = md[4:]