Re: convert-standard-filename's doc

[Richard Stallman]

    > prefer to have a hook. Every time I have to redefine a function to
    > change some tiny think I'm afraid I'll accidentally miss fixes and
    > enhancements to the original function.

    Redefine with defadvice.  It's the only half-robust way to do it.

Ordinarily we have a rule that packages in Emacs should never use
defadvice.  However, in this particular case, I suppose using defadvice
is no worse than completely redefining the function.