- Add eval-expression (M-:) to set/show certain internal variables dynamically
- If the internal variable `kill-whole-line' is non-`nil', 'C-k' at the beginning of a line kills the entire line including the following newline.
- Disable beep when moving cursor in content assist dialogs
- Fix issue where C-x 0 may close the last instance of a buffer
- Optionally, save region replace text on the kill ring
- Fix edge case on history kill ring
* Eval Expression (Alt-:) or (ESC :): Set/Show an internal variable dynamically
o While not truly a read-eval-print mechanism, it uses the minibuffer to eval or setq a limited set of variables (using the normal Emacs+ completion mechanism)
o Preference variables set in this manner persist to all subsequent sessions