annotate docs/spec/fv0.tikz @ 695:01e25f938b63

simplify sample code slightly

Now there are two bits that are exactly the same as audiodb_query_spec().
They should be merged with the query code.

\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 ($(0.1,0.2)+(0,\y)$);
}