s/A*./B/g editor bug?

[Paul Eggert]

tale at pawl.rpi.edu (David C Lawrence) writes:

	GNU Emacs' (replace-regexp "b*a" "c"), which is equivalent to the
	original example, works correctly.

Ah, but (replace-regexp "a*" "b") does not work correctly in GNU Emacs 18.55;
it misses the empty string just before the end of the buffer.  I found this bug
(and posted a bug report) after reading dmr's explanation of the bug that was
avoided in 'ed'.