W. Trevor King 5d26e27b48 autofailover_quick_setup.rst: '$(...)' for command substitution ...

Both are in POSIX [1], but the dollar-paren form is nicer [2].

[1]: http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_06_03
[2]: http://mywiki.wooledge.org/BashFAQ/082

2015-03-14 12:13:22 -07:00

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