hey iem_qrt4~.pd_linux crashes the newest pd-extended as well as the latest pd source from sourceforge on ubuntu studio 13.04.

I didn't want to mess with trying to figure out how to fix the source so I just made an iem_sqrt4~.pd that has a sqrt~ inside

now all the iemlib vcf filters

work .

some of the vcf pd files had an iem_cot~ instead of iem_cot4~