formalize grammar of "Value syntax"

[turbomam]

• normalize tokens
• document delimiters and grammar

[turbomam]

Deduplication of MIXS ID and Value syntax columns

_from MIxS6 packages - Final_clean sheet, to avoid overweighting from term * Environmental package permutations_

• 964 duplicate rows found and removed
• 791 unique rows remain

[turbomam]

Then

• remove MIXS ID column
• add all Value syntax rows from MIxS6 Core- Final_clean sheet

=> static value syntax usage

[turbomam]

Then pivot to tabulate => static value syntax tabulation

[turbomam]

Next

• parse out and tabulate{}-wrapped tokens
  • per Value syntax pattern, or per term usage?
• highlight problematic hybrid Value syntaxes, especially enumerations+