Re: address@hidden: grep-tree doesn't shell-quote-argument]

[Richard Stallman]

    Below is a patch which merges grep-tree into grep-find, with
    the new grep-tree interface as the default API, while a C-u
    prefix requests using the old grep-find interface.

That makes it an incompatible change.  grep-find has existed since
years ago; grep-tree is new.

We could avoid that incompatible change by making grep-find
with C-u implement the grep-tree behavior.

Is there some specific reason you propose the incompatible way?