Re: Cannot set invisible text property

[Ihor Radchenko]

Enrico Flor <enrico@eflor.net> writes:

> In a minor mode I wrote for myself, I use add-text-properties to make
> certain things invisible.  This does not work in org-mode, and I don't
> understand why.  For instance, the following has no effect in when the
> buffer is in org-mode (and only when it's in org mode):
>
>     (add-text-properties 1 3 '(invisible t))

This is because Org makes use of invisible text property during
fontification. You should either apply invisibility in Org through
font-lock, or do it temporarily until next re-fontification via
(with-silent-modifications (add-text-properties 1 3 '(invisible t)))

Best,
Ihor