[ Thanks to An Anonymous Reader for
this link. ]
“The diff and patch utilites can be intimidating to the
newcomer, but they are not all that difficult to use, even for the
non-programmer. If you are at all familiar with makefiles, you
might find yourself frequently wanting to patch a file, either to
correct an error that you’ve found or to add something that you
need to the makefile.“After I began using the mrxvt terminal, I wanted to give it
Japanese capability. My main O/S is FreeBSD…”