rda716

Fixes ajgrf/edwina#13.

Allow side-by-side placement of multiple windows in the master area, for situations where `edwina-nmaster` is greater than one.

Tab not working in SSH-Deploy-Diff buffer

1

Pressing `TAB` displays message `"Buffer is read-only: #"`. Pressing `C-h k TAB` shows the key is bound to `indent-for-tab-command ` Running GNU Emacs 26.3 on Ubuntu 20.04.3 LTS. Configuration: ```elisp...