Re: highlight spaces

[bum-cyk-cyk]

Rich E schrieb:
> Hi,
>
> I just accidentally hit some key combination that highlighted all the 
> spaces on the left hand side.  This is really useful, 

show-trailing-whitespace set on t?



> but I don't know how I did it :)  Anyone know?

C-h l can be very usefully.

regards
Marc