123
#+BEGIN_SRC emacs-lisp
(add-text-properties 1 3 '(invisible hide-this-stuff))
(add-to-invisibility-spec 'hide-this-stuff)
#+END_SRC
#+RESULTS:
: (hide-this-stuff (org-hide-block . t) (org-link) (outline . t) t)
#+BEGIN_SRC emacs-lisp
(remove-from-invisibility-spec 'hide-this-stuff)
#+END_SRC
#+RESULTS:
: ((org-hide-block . t) (org-link) (outline . t) t)
John
-----------------------------------
Professor John Kitchin (he/him/his)
Doherty Hall A207F
Department of Chemical Engineering
Carnegie Mellon University
Pittsburgh, PA 15213
412-268-7803