annotate docs/spec/segmented-track.tikz @ 673:e1f7cab30701

rename struct adbfoo to struct adb_foo

(or nearest idiomatic equivalent in the appropriate language)

This should have minimal impact on ABI compatibility, but is still formally
a backward-incompatible change (and is potentially an API incompatibility
too, though everyone should be using the typedefed synonyms.

\foreach \x in {-2,-1.4,-0.5,0,0.8,1.3,1.8} {
  \draw (\x,-0.2) -- (\x,0.2); 
}          
\input track.tikz