There is certainly no objection to using L'<whatever> in order to
ensure that the length in bytes of <whatever> is declared and must be
changed in only one place; but this usage 1) is available only at
assembly time and 2) is not a substitute for the explicit
specification of this length somewhere.

Moreover, self-defining entities having their array bounds and string
lengths materialized within themselves are preferable to those in
which these values are implicit in code.

John Gilmore, Ashland, MA 01721 - USA

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