Re: Why the odd interactive form in byte-compile-file?

[Stefan Monnier]

>> > Is there some deeper reason we're not using code that looks like this?
>> > (interactive
>> >     (list (read-file-name (if current-prefix-arg
>> >                               "Byte compile and load file: "
>> >                             "Byte compile file: "))
>> >           current-prefix-arg))
>> The current ‘interactive’ form supplies DIR and DEFAULT-FILENAME args to
>> ‘read-file-name’ if the current buffer is Emacs Lisp (ish).  Those are
>> available to the user via ‘M-n’.
> Why is that useful?

Because you can compile the current buffer's file by just hitting RET.

> The current interactive form results in filenames without paths being left
> in file-name-history when accepting the default filename with RET.

Yes, that's a bug.  We shouldn't pass "file-name" to read-file-name
but buffer-file-name instead.


        Stefan