psql \copy warning

I use the \copy command from psql to load data into postgres.  I was
fiddling with setting up a database on a HEAD build, and I got the
following new warning

testy=# \copy episodes from 'episodes.data' with delimiter as '\t'
WARNING:  nonstandard use of escape in a string literal
LINE 1: COPY episodes FROM STDIN USING DELIMITERS '\t'                                                 ^
HINT:  Use the escape string syntax for escapes, e.g., E'\r\n'.


I figured that this is the new standards conforming strings feature, and I
guess I should get used to the new escape syntax.  So I tried the hint

testy=# \copy episodes FROM 'episodes.data' with delimiter as E'\t'
\copy: parse error at "'\t'"

So is it just me, or is this decidedly non-helpful?  I assume someone
missed this place for the new syntax tweaks?



-- 
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