| not (allowNesting tik0 tik')
-> addMarkup tabStop cs loc os ticks -- already marked or bool within marked bool
_ -> openTick tik0 ++ addMarkup tabStop cs loc (addTo (t2,tik0) os) ticks
- where
+ where
addTo (t,tik) [] = [(t,tik)]
addTo (t,tik) ((t',tik'):xs) | t <= t' = (t,tik):(t',tik'):xs