is a variable defined in `
Its value is
- This variable may be risky if used as a file-local variable.
List of functions to process unrecognized command-line arguments.
Each function should access the dynamically bound variables
`argi' (the current argument) and `command-line-args-left' (the remaining
arguments). The function should return non-nil only if it recognizes and
processes `argi'. If it does so, it may consume successive arguments by
altering `command-line-args-left' to remove them.