An empty line in a reply renders as:
```
::Foo
::
::Bar
```
It is likely that the user just didn't realise that in the reply tool context, double newlines are not required (as they are in a normal wikitext context) due to the indentation.
These empty list items are invisible, and likely not intended by the user, so it should be safe to remove them.
=== Example cases
//Below are instances of people who //appear// to be manually inserting extra blank lines in the middle of their reply.
|**Wiki**|**Link**
|--- | ---
| AR | https://ar.wikipedia.org/w/index.php?title=%D9%86%D9%82%D8%A7%D8%B4_%D9%88%D9%8A%D9%83%D9%8A%D8%A8%D9%8A%D8%AF%D9%8A%D8%A7:%D9%85%D8%B4%D8%B1%D9%88%D8%B9_%D9%81%D8%B1%D9%8A%D9%82_%D8%A7%D9%84%D9%85%D8%AD%D8%A7%D8%AF%D8%AB%D8%A7%D8%AA_(%D8%A7%D9%84%D8%AA%D9%86%D8%B3%D9%8A%D9%82)&curid=7384465&diff=45605792&oldid=45605660
| AR | https://ar.wikipedia.org/w/index.php?title=%D9%86%D9%82%D8%A7%D8%B4_%D9%88%D9%8A%D9%83%D9%8A%D8%A8%D9%8A%D8%AF%D9%8A%D8%A7:%D9%85%D8%B4%D8%B1%D9%88%D8%B9_%D9%81%D8%B1%D9%8A%D9%82_%D8%A7%D9%84%D9%85%D8%AD%D8%A7%D8%AF%D8%AB%D8%A7%D8%AA_(%D8%A7%D9%84%D8%AA%D9%86%D8%B3%D9%8A%D9%82)&curid=7384465&diff=45605494&oldid=45602227
| AR| https://ar.wikipedia.org/w/index.php?title=%D9%86%D9%82%D8%A7%D8%B4:%D8%B4%D8%A8%D8%B1%D8%A7%D8%AF&curid=7393076&diff=45675105&oldid=45671834