view docs/spec/fv0.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 {0/53,0.2/32,0.4/37,0.6/4,0.8/63} {
  \fill[black!\col!white] ($(-0.1,0)+(0,\y)$) rectangle ($(0.1,0.2)+(0,\y)$);
}