fix: allow parsing empty callouts like `>` without breaking#1260

maximilianfalco wants to merge 6 commits intoreadmeio:nextreadmeio/markdown:nextfrom

maximilianfalco:falco/cx-2520-the-symbol-in-the-description-breaks-the-renderingmaximilianfalco/markdown:falco/cx-2520-the-symbol-in-the-description-breaks-the-renderingCopy head branch name to clipboard