[TxMt] Make only _some_ invisibles visible?

[Allan Odgaard]

On 11. Mar 2007, at 02:16, porneL wrote:

> I'd like to have non-breaking space* rendered in a visible way, but  
> having tabs and line breaks remain invisible.
>
> I've somewhat achieved that by adding new rule to the language  
> bundle and setting background color for that scope, but it gives  
> big block and I'd like to have a dot instead. Is there any rule in  
> language bundles that can visually replace one character with  
> another, or can I change list of shown invisibles?

Neither is possible -- ‘replaced content’ is something I am seriously  
considering for themes, but the overhead involved might not be worth it.