Bends: make prebend optional so that down bends can be notated
Currently if the start node of the bend is greater than zero, the program automatically adds a prebend—an upward pointing arrow. It would make the bend tool more flexible if there was an option to hide the prebend and just show the subsequent bend(s). So, for example, rather than showing this:
Hiding the prebend would show (and play) this:
Related to #286108: [EPIC] Bends issues.