Redundant in the AAS Query Language grammar

[zrgt]

What happens?

The following definitions of possible string comparisons on lines 29 and 30 are redundant to the line 28, as FieldIdentifierString is also a stringOperand

aas-specs-api/documentation/IDTA-01002-3/modules/ROOT/pages/grammar.adoc

Lines 26 to 30 in bbd9637

	<stringComparison> ::=
	( ( "$starts-with" | "ends-with" | "$contains" | "$regex") <ws> "(" <ws> <stringOperand> <ws> "," <ws> <stringOperand> <ws> ")" <ws> ) |
	( <stringOperand> <ws> <allComparisons> <ws> <stringOperand> <ws> ) |
	( <stringOperand> <ws> <allComparisons> <ws> <FieldIdentifierString> <ws> ) |
	( <FieldIdentifierString> <ws> <allComparisons> <ws> <stringOperand> <ws> )

Why is this wrong?

• The definition is redundant
• A user might think, that in a comparison only one FieldIdentifier is allowed, if he doesn't check the definition of stringOperand

How should it be fixed?

Remove redundant lines 29 and 30

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