In text, headings only require a single linebreak to be treated as such.
However, in lists, they would require a double linebreak.
Now, the behavior in lists and text is consistent, requiring only a single
linebreak.
Closes#495
In some circumstances, on a reference style image, the last capturing
group is ignored, which causes the fucntion argument to return the number
of matches instead of a string (or undefined).
Checking if the title parameter is a string ensures that the title
parameter is actually something that was caught by the regex and not some
metadata.
Closes#585
In some circumstances, on a reference style image, the last capturing
group is ignored, which causes the fucntion argument to return the number
of matches instead of a string (or undefined).
Checking if the title parameter is a string ensures that the title
parameter is actually something that was caught by the regex and not some
metadata.
Closes#585
