out.nix

[
  ''
      foo
     bar
  ''
  ""
  ###
  "
  "
  ###
  "a
   ${x}
   b
  "
  ###
  ""
  ###
  "a"
  ###
  "${""}"
  ###
  ''
    ${""}

  ''
  ###
  ''
    a
  ''
  ###
  ''
    a

  ''
  ###
  ''
    a
  ''
  ###

  ''
    a
  ''
  ###
  ''
      a
    ${""}
       b
      ${""}
       c ${""} d
       e
  ''
  ###
  ""
  ###
  ''
    declare -a makefiles=(./*.mak)
    sed -i -f ${makefile-sed} "''${makefiles[@]}"
    ### assign Makefile variables eagerly & change backticks to `$(shell …)`
    sed -i -e 's/ = `\([^`]\+\)`/ := $(shell \1)/' \
      -e 's/`\([^`]\+\)`/$(shell \1)/' \
      "''${makefiles[@]}"
  ''
  ###
  ''
    [${mkSectionName sectName}]
  ''
  ###
  "-couch_ini ${cfg.package}/etc/default.ini ${configFile} ${pkgs.writeText "couchdb-extra.ini" cfg.extraConfig} ${cfg.configFile}"
  ###
  ''exec i3-input -F "mark %s" -l 1 -P 'Mark: ' ''
  ###
  ''exec i3-input -F '[con_mark="%s"] focus' -l 1 -P 'Go to: ' ''
  ###
  ''"${pkgs.name or "<unknown-name>"}";''
  ###
  "${pkgs.replace-secret}/bin/replace-secret '${placeholder}' '${secretFile}' '${targetFile}' "
  ###
  ''
    mkdir -p "$out/lib/modules/${kernel.modDirVersion}/kernel/net/wireless/"
  ''
  ###
  ''
    <?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
    <plist version="1.0">
    ${expr "" v}
    </plist>''

  ''
    --${"test"}
  ''

  "--${"test"}"
  "\${pkgs.ghostscript}/bin/ps2pdf"
  "'test\$test"
  "'test''quotes"
  "'plain"
  "between spaces "
  "!#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[]^_`abcdefghijklmnopqrstuvwxyz{|}~"
]