I don't see why you need to look for reasons for stringification to apply to things that are already valid constants. v-strings introduced a new class of these, and %foo = (v48 => "zero?"); suddenly changed meaning, so that a key of "0" was used instead of a key of "v48". This was "fixed" in 5.8.1 to restore the "v48"-behavior for backward compatilibity, but the 5.6-5.8.0 way (where v48 is "0") was actually more consistent.

In reply to Re^3: Use of the => operator by ysth
in thread Use of the => operator by roju

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