zsh-syntax-highlighting/highlighters/main/test-data/process-substitution2.zsh

#!/usr/bin/env zsh
# -------------------------------------------------------------------------------------------------
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# -------------------------------------------------------------------------------------------------
# -*- mode: zsh; sh-indentation: 2; indent-tabs-mode: nil; sh-basic-offset: 2; -*-
# vim: ft=zsh sw=2 ts=2 et
# -------------------------------------------------------------------------------------------------

BUFFER='echo =(:) a=(:) =(echo foo'

expected_region_highlight=(
  '1 4 builtin' # echo
  '6 9 default' # =(:)
  '6 9 process-substitution' # =(:)
  '6 7 process-substitution-delimiter' # =(
  '8 8 builtin' # :
  '9 9 process-substitution-delimiter' # )
  '11 15 default' # a=(:)
  '17 26 default' # =(echo foo
  '17 26 process-substitution' # =(echo foo
  '17 18 process-substitution-delimiter' # =(
  '19 22 builtin' # echo
  '24 26 default' # foo
)

if [[ ${(z):-'$('} == '$( ' ]]; then # ignore zsh 5.0.8 bug
  expected_region_highlight[8]='17 27 default' # =(echo foo
fi