what's the use of "{ list }" in /bin/sh?

[Roger A. Cornelius]

>From article <556 at philmds.UUCP<, by leo at philmds.UUCP (Leo de Wit):
< In article <12334 at mimsy.UUCP< chris at mimsy.UUCP (Chris Torek) writes:
<<In article <3305 at palo-alto.DEC.COM< vixie at palo-alto.DEC.COM (Paul Vixie)
<<writes various examples (deleted), then:
<<<Summary: {list} is useful if you go southpaw with it.  Other than
<<<that it seems useless and I can't imagine why it exists.
<<
        Much stuff deleted...

I missed the initial question, and responses prior to this on, but...

Another use is:

	[ something ] && {
	command 1
	command 2
	command 3...
	}

If I remember correctly, {} delimited commands execute in the current shell,
whereas () delimited commands execute in a subshell.

Roger Cornelius
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