New attempt: added the nl2br markdown extension

bu_isciii/bioinfo_doc.py

@@ -290,7 +290,7 @@ def post_delivery_info(self):
 
         if self.provided_txt:
             with open(os.path.expanduser(self.provided_txt)) as f:
-                self.delivery_notes = "\n".join([x.strip() for x in f.readlines()])
+                self.delivery_notes = f.read()
         else:
             self.delivery_notes = bu_isciii.utils.ask_for_some_text(
                 msg="Write some delivery notes:"
@@ -388,6 +388,7 @@ def convert_markdown_to_html(self, mk_text):
                 "pymdownx.highlight",
                 "pymdownx.emoji",
                 "pymdownx.tilde",
+		"nl2br",
             ],
             extension_configs={
                 "pymdownx.b64": {