v3.1.1

Highlights:

• cmd/shfmt
  • Recognise function_next_line in EditorConfig files
• syntax
  • Don't ignore escaped newlines at the end of heredoc bodies
  • Improve support for parsing regexes in test expressions
  • Count columns for KeepPadding in bytes, to better support unicode
  • Never let KeepPadding add spaces right after indentation
• interp
  • Hide unset variables when executing programs

Binaries built on go version go1.14.2 linux/amd64.