Many more rolls of palm-leaf manuscripts remain uncollected, and are moldering in monasteries across the country without proper care as well as under attack by unscrupulous treasure hunters.
Presumably, either form could be selected for a given application, based on the molder's comfort level, material availability and geometry of the part.
The excitement gets stronger when you find yourself wandering practically alone through a labyrinth of moldering mansions, small eateries and bursts of hibiscus.