Disabling touchpad tapping in 9.10

[Bruce Marshall]

On Monday 23 November 2009, O. Sinclair wrote:
> Got that file, settings look 100 like above (like your long quote) but 
> no change in "disable tap while typing", greyed out it is. Any idea?
> 
> Admit I have not got my head around this whole fdi business yet.
> 

I too made several changes to the file and found that it didn't make any 
difference.....