v0.2.0

Highlights:

• Optimizations all around, making shfmt ~15% faster
• cmd/shfmt
  • Add -p flag to only accept POSIX Shell programs (parser.PosixConformant)
• parser
  • Add support for ambiguous $(( as in $((foo) | bar)
  • Limit more bash features to PosixConformant being false
  • Don't parse heredoc bodies in nested expansions and contexts
  • Run tests through bash to confirm the presence of a parse error
• ast
  • Add Walk(Visitor, Node) function

Binaries built on go version devel +dc46b88 Thu Oct 13 09:37:17 2016 +0000 linux/amd64.