docs: def latex_sanitize_command_name(_cmdname):
      r"""
      Args:
          _cmdname (?):
  
      Returns:
          ?: command_name
  
      CommandLine:
          python -m utool.util_latex --exec-latex_sanitize_command_name
  
      Example:
          >>> # DISABLE_DOCTEST
          >>> from utool.util_latex import *  # NOQA
          >>> _cmdname = '#foo bar.'
          >>> command_name = latex_sanitize_command_name(_cmdname)
          >>> result = ('command_name = %s' % (str(command_name),))
          >>> print(result)
          FooBar
      """
      import utool as ut
      command_name = _cmdname
      try:
          def subroman(match):
              import roman
              try:
                  groupdict = match.groupdict()
                  num = int(groupdict['num'])
                  if num == 0:
                      return ''
                  return roman.toRoman(num)
              except Exception as ex:
                  ut.printex(ex, keys=['groupdict'])
                  raise
          command_name = re.sub(ut.named_field('num', r'\d+'), subroman, command_name)
      except ImportError as ex:
          if ut.SUPER_STRICT:
              ut.printex(ex)
              raise
      # remove numbers
      command_name = re.sub(r'[\d' + re.escape('#()[]{}.') + ']', '', command_name)
      # Remove _ for camel case
      #def to_camel_case(str_list):
      #    # hacky
      #    return ''.join([str_ if len(str_) < 1 else str_[0].upper() + str_[1:] for str_ in str_list])
      #command_name = to_cammel_case(re.split('[_ ]', command_name)[::2])
      str_list = re.split('[_ ]', command_name)
      #command_name = to_cammel_case(str_list)
      command_name = ut.to_camel_case('_'.join(str_list), mixed=True)
      return command_name