color-16 don't work in emacs gui.
I use this configuration:
(load-theme 'dark-laptop t)
(if (not (display-graphic-p))
(set-face-background 'default "color-16"))
But it's not a good solution. With 16 colors terminal (terminator + telnet + tmux) I have lots of Unable to load color "color-16".
Bellow screenhot of my terminal before ...
(char-from-name "ZERO WIDTH SPACE") 'zero-width)
See C-hig (elisp)Glyphless Chars
Personally I want these things to be as visible as possible -- I've encountered a situation where I was unwittingly copying and pasting zero-width spaces and created a mess because I never knew they ...
M-w copies the selected text into the operating system clipboard, as well as into Emacs’ internal storage.
C-w cuts (or “kills”, a name which derives from the very oldest predecessors of Emacs) the selected text, putting it into both the operating system’s clipboard as well as the internal storage. C-k kills all the text from the point to the end of the line....