Parsing source elements to math

[HassanAkbar]

• Parsing sources to math

Old

en:
  sources:
  - type: authoritative
    status: modified
    origin:
      clause: Appendix 1
      original: SI Brochure, 9th edition, 2019, Appendix 1, modified – The definition
        in the SI Brochure has been revised to comply with the IEV rules. The synonym
        "Loschmidt number" and the symbol "<i>L</i>" have been added to Note 2 to
        entry.
    modification: The definition in the SI Brochure has been revised to comply with
      the IEV rules. The synonym "Loschmidt number" and the symbol "<i>L</i>" have
      been added to Note 2 to entry.

New

en:
  sources:
  - type: authoritative
    status: modified
    origin:
      clause: Appendix 1
      original: SI Brochure, 9th edition, 2019, Appendix 1, modified – The definition
        in the SI Brochure has been revised to comply with the IEV rules. The synonym
        "Loschmidt number" and the symbol "stem:[L]" have been added to Note 2 to
        entry.
    modification: The definition in the SI Brochure has been revised to comply with
      the IEV rules. The synonym "Loschmidt number" and the symbol "stem:[L]" have
      been added to Note 2 to entry.

closes #122

[hound]

Assignment Branch Condition size for html_entities_to_stem is too high. [<0, 36, 0> 36/15]
Method has too many lines. [36/10]

[hound]

Assignment Branch Condition size for html_entities_to_asciimath is too high. [<0, 36, 0> 36/15]
Method has too many lines. [36/10]

[hound]

Assignment Branch Condition size for html_to_asciimath is too high. [<10, 48, 14> 50.99/15]
Cyclomatic complexity for html_to_asciimath is too high. [15/6]
Method has too many lines. [52/10]
Perceived complexity for html_to_asciimath is too high. [14/7]

[hound]

Assignment Branch Condition size for mathml_to_asciimath is too high. [<3, 16, 6> 17.35/15]
Method has too many lines. [22/10]

[HassanAkbar]

Rubocop is working fine locally, but hound is commenting due to this issue -> houndci/hound#1842

[hound]

Method has too many lines. [37/10]