[Users] Settings of "three column view"

[Andrew Savchenko]

On Sun, 23 Jun 2019 08:22:48 -0000
Paul <claws at thewildbeast.co.uk> wrote:

> You need to change the hidden preference, 'two_line_vertical', to 0.
> Refer to the manual here:
> https://www.claws-mail.org/manual/claws-mail-manual.html#adv_hidden

Thanks! Updated WIKI.