file:///usr/app/lib/perl5/site_perl/i686-linux/PDL/HtmlDocs/PDL/
file:/localvol/usr/app/matlab/help/docroadmap.html

MEMORY ALLOCATINO ASSERT!

pp_addboot call to set the VERSION

all filter designs(!)
locsig / dlocsig
csound!
kaiser-spectrum beta values negative => stopband in decibel(?)

PDL::Complex + typecasts & overloading

   >  > - pp_addxs adds functions to the _PDL_ package, not at all to my own