Do you mean that it has to be included all at once? I understand you have to finish it like any language like this one:
<body>
<h1> </h1>
</body>
But what I mean is that as I start typing, and then I end it with ``` it doesn’t close it properly, the only way to make it close it is by copy pasting the whole thing at once.
hope you liked the html joke
This is an example of what I have to do, because if I type the ``` manually for each paragraph, it would assume everything below is included in the code: