> The whitespace module seems not to support this kind of spaces. > Is there any centralized feature to show/hide those things? > > The whitespace module does support this, see the variable `whitespace-display-mappings'. Something like this should do the trick (if not done via M-x customize-variable RET whitespace-display-mappings RET): (add-to-list 'whitespace-display-mappings '(space-mark 8203 [?|] [?-])) You'll have to M-x whitespace-mode after evaluating this to update the buffer display. Ciau, Niels. -- http://pft.github.com