Follow-up Comment #2, bug #66365 (group findutils): Because GNU find currently rejects these commands with the error shown in Geoff's comment, I'm not expecting there to be a substantial problem with backward incompatibility. That is, I doubt that anybody is likely to be relying on GNU find rejecting commands like
find . -prune -exec echo x{} + \;
The standard says:
> If more than one argument containing the two characters "{}" is present,
the behavior is unspecified.
The GNU find manual page states that multiple "{}" is not allowed (and indeed,
this is rejected). I believe that his aspect of the current behaviour should
remain unchanged.
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