It is worth recalling, misused only a little, Chomsky's dictum:

There is no reason to suppose that translation is in general possible.

His point is analogous to the statement  that equations of degree
greater than four cannot in general be solved. Particular quintics can
sometimes, of course, be solved; and particular felicitous
translations are sometimes possible.

Regrettably, however, we are not here dealing with a version of Sappho
by Catullus.  No cobbled-together solution to the EBCDIC-to-ASCII and
MVS-to-UNIX problem is likely to be entirely satisfactory in any
circumstances, and even if one were found for one such set of
circumstances it would cease to be so when these circumstances
changed.

CR anciently meant carriage return; LF anciently meant line feed; and
LF was sometimes used, usefully, before EOL.  Confounding them, as
Shmuel has already pointed out somewhat gnomically, is all but certain
to give trouble in some circumstances, however convenient it may be in
others.

Some problems just do not have neat solutions.

--jg

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