[markdown] Create two blank lines in Markdown

You can use the sequence of a no-break space (U+00a0) followed by two spaces (U+0020×2) followed by a newline (U+000a) repeatedly to achieve this. Two or more times is required depending on your use case.

Using (not markdown interpreted here, but) actual white space characters (theoretically copy-and-paste-able):

Preceding
   
   
   
Following.