code: def _validate_pos_args_syntax(alias_name, alias_command):
      
      pos_args_from_alias = get_placeholders(alias_name)
      # Split by '|' to extract positional argument name from Jinja filter (e.g. {{ arg_name | upper }})
      # Split by '.' to extract positional argument name from function call (e.g. {{ arg_name.split()[0] }})
      pos_args_from_command = [x.split('|')[0].split('.')[0].strip() for x in get_placeholders(alias_command)]
  
      if set(pos_args_from_alias) != set(pos_args_from_command):
          arg_diff = set(pos_args_from_alias) ^ set(pos_args_from_command)
          raise CLIError(INCONSISTENT_ARG_ERROR.format('' if len(arg_diff) == 1 else 's',
                                                       arg_diff,
                                                       'is' if len(arg_diff) == 1 else 'are'))
docs: Check if the positional argument syntax is valid in alias name and alias command.
  
      Args:
          alias_name: The name of the alias to validate.
          alias_command: The command to validate.