view docs/spec/fv2.tikz @ 576:ae2eeec4d41d

No more warnings in the PD external with -Wall

Include necessary headers; remove initializer for spec (I confess, I'm
not sure why); add a create method in the class.

\foreach \y/\col in {0/29,0.2/49,0.4/57,0.6/17,0.8/6} {
  \fill[black!\col!white] ($(-0.1,0)+(0,\y)$) rectangle ($(0.1,0.2)+(0,\y)$);
}