Correctly print subshells nested in a variable expansion #7
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The pretty printer printed it as $(()), an arithmetic expansion.
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Before, shasta was printing expressions like
abc=$( (echo abc) )asabc=$((echo abc)), an arithmetic substitution. Same as libdash/#32, where a libdash/shasta test was added.Triggered in the coreutils configure script (see binpash/pash#573).