code: function getHelpListData(commandsData, context) {
    commandsData.commands.forEach(addParamGroups);
  
    var heading;
    if (commandsData.commands.length === 0) {
      heading = l10n.lookupFormat('helpListNone', [ commandsData.prefix ]);
    }
    else if (commandsData.prefix == null) {
      heading = l10n.lookup('helpListAll');
    }
    else {
      heading = l10n.lookupFormat('helpListPrefix', [ commandsData.prefix ]);
    }
  
    return {
      l10n: l10n.propertyLookup,
      includeIntro: commandsData.prefix == null,
      heading: heading,
      onclick: context.update,
      ondblclick: context.updateExec,
      matchingCommands: commandsData.commands
    };
  }
docs: Get a data block for the help_list.html/help_list.txt templates