bug#5618: 23.1.91; shell-command-on-region unexpectedly erases buffer

[Juri Linkov]

>> I'm not sure that the installed doc fix for that bug is actually
>> correct. The suggestion in
>>
>> http://debbugs.gnu.org/4891#10
>
> Except that in our case, even if it's the current buffer, the whole
> content of the buffer is overwritten as well, rendering the above
> mentioned doc fix incorrect:
>
>     "If OUTPUT-BUFFER is not a buffer and not nil,
>        insert output in current buffer.  (This cannot be done
>        asynchronously.)  In the latter case, the output is inserted
>        after point (leaving mark after it)"
>
> Besides, the behaviour in the current documentation seems way more
> useful (i.e. _not_ erasing the buffer whenever REPLACE is non-nil).
>
> What do you think?

Are you sure that changing its long-time behaviour won't break
some existing packages?

>> seems correct to me.
>
> Half of it, yes, see above.

-- 
Juri Linkov
http://www.jurta.org/emacs/