Re: Emacs 26.x: org mode: C-c C-r

[Eli Zaretskii]

> Date: Sat, 25 Aug 2018 23:20:45 -0700 (PDT)
> From: J191 <dj9027@gmail.com>
> 
> Manual says "With a prefix argument show, on each level, all sibling 
> headings. With a double prefix argument, also show the entire subtree of the 
> parent."
> 
>  - When all the Headings are collapsed and I do C-c C-r
>    - nothing happens
>  - If I try it on a subheading when it is collapsed
>    - nothing happens
>  - If I try C-u 2 C-c C-r on a second level heading
>    - I hope to see all Heading 2 siblings with the current heading fully 
> expanded ?

"Double prefix argument" most probably means "C-u C-u", not "C-u 2".