Hello,There is no use for a dead key ~ in Spanish (or any other language spoken in Spain, such as Catalan, Galician and Basque) and as Christian Perrier said above, this is a dangerous change: rm *~ may easily lead to rm *.
Please revert the dead key change. -- Pau Garcia i Quiles http://www.elpauer.org (Due to my workload, I may need 10 days to answer)