In docstring ,----[ C-h f org-element-headline-parser RET ] | org-element-headline-parser is a compiled Lisp function in | `org-element.el'. | | (org-element-headline-parser LIMIT &optional RAW-SECONDARY-P) | | Parse a headline. | | Return a list whose CAR is `headline' and CDR is a plist | containing `:raw-value', `:title', `:alt-title', `:begin', | `:end', `:pre-blank', `:contents-begin' and `:contents-end', | `:level', `:priority', `:tags', `:todo-keyword',`:todo-type', | `:scheduled', `:deadline', `:closed', `:archivedp', `:commentedp' | and `:footnote-section-p' keywords. | [...] `----
property :post-blank is missing. -- cheers, Thorsten