Symbolic operations on input
Output operations for Brics Transducers: (u, o, v) where u is a string to output first, o is an operation to translate the character being read, and v is a string to output after.
Output operations for Brics Transducers: (u, o, v) where u is a string to output first, o is an operation to translate the character being read, and v is a string to output after.
o can be +n or del
Change input character by shifting (+0 to copy)
Replace input char with a special "internal symbol"
Don't do anything with input character