C. Implementation Notes

This appendix contains information mainly of interest to implementers and maintainers of gawk. Everything in it applies specifically to gawk and not to other implementations.

C.1 Downward Compatibility and Debugging		How to disable certain `gawk` extensions.
C.2 Making Additions to `gawk`		Making Additions To `gawk`.
C.3 Adding New Built-in Functions to `gawk`		Adding new built-in functions to `gawk`.
C.4 Probable Future Extensions		New features that may be implemented one day.