m4_foreach_w vs m4_foreach

[Vincent Torri]

On Mon, 2 Jul 2012, Eric Blake wrote:

> Not directly with a single m4_foreach_w, but it would be possible with
> other macro constructs.  Note that m4 is better suited for
> comma-separated lists instead of whitespace-separated lists,

when you say 'better suited', you mean faster ?

I ask because I used a simple macro that uses m4_foreach_w. Should I use 
m4_foreach instead ?

Vincent Torri