XSLT draft interpretation question: sequences of relational operators

[Dieter Maurer <dieter@xxxxxxxxxxxx>]

The XSLT working draft grammar allows for expressions of the form

(1)	r1 = r2 = r3			[grammar rule 24]

and

(2)	a1 < a2 < a3			[grammar rule 25]


Is the intended interpretation of (1):
	evaluate to true, iff all rn are equal
or
	evaluate "r1 = r2" to a boolean "b"
	and then evaluate "b = r3"


Is the intended interpretation of (2):
	evaluate to true, iff both "a1 < a2" and "a2 < a3"
or
	evaluate "a1 < a2" to a boolean "b"
	and then evaluate "b < a3"


or should the grammar ban such expressions altogether.


- Dieter


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