1.1.11.4 Parameter(s)

type_output
type_output determines the way that output is printed; recognized values are:
debug
Prints every line with its status (untouched, modified, deleted, created). Always outputs at least one line for every line read.
orig
Prints every line, deleted lines are printed as comments. Always outputs at least one line for every line read.
normal (default)
Prints every line, except deleted ones. Does not always output at least one line for every line read.

Any other value will be considered as "normal".