consider adding header row to examples to show element indices
Many of the newly added examples may be wrongly interpreted as showing big-endianness because the vector elements are displayed left-to-right. Adding an aid like a header row showing the element indices might clarify.
This is complicated by some tables where different rows have different number of elements.
Maybe the index could prefix the value? (Need to think about this...)
I think this is the list of intrinsics with examples that need headers:
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