I'm coming across some code that uses the fact the parser ignores a
line-terminal '\', e.g.
identical("\
", "\n")
# [1] TRUE
x = "abc \
def"
y = "abc \ndef"
identical(x, y)
# [1] TRUE
However:
identical("\\n", "\n")
# [1] FALSE
This appears to be undocumented behavior; the closest thing I see in
?Quotes suggests it should be an error:
> Escaping a character not in the following table is an error.
('\n' is in the table, but my understanding is the 'n' is what's being
escaped v-a-v the "error", which seems confirmed by the third, FALSE,
example above)
Is this a bug, is the omission from ?Quotes a bug, or is this just
undocumented behavior?
Mike C
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