Am 31.05.2012 um 21:14 schrieb Lanny Ripple:
> System sed (expected):
>
> lanny;~> echo "Rémi Leblond" | LANG=C LC_ALL=C /usr/bin/sed -ne
> 's/.*/GIT_AUTHOR_NAME='\''&'\''/p'
> GIT_AUTHOR_NAME='Rémi Leblond'
>
> fink sed (unexpected. .* breaks at é):
>
> lanny;~> echo "Rémi Leblond" | LANG=C LC_ALL=C /sw/bin/sed -ne
> 's/.*/GIT_AUTHOR_NAME='\''&'\''/p'
> GIT_AUTHOR_NAME='R'émi Leblond
>
> This causes git rebase to fail.
This seems to be twice incorrect behaviour IMO. The character "é" is illegal in
a C (or POSIX) language environment which only allows 7-bit or US-ASCII
characters. Fink's (g)sed makes in your example at least a try to fix the
irregular situation, doing é -> e' substitution, and seems to actually fail. In
my case, Mac OS X 10.6.8, Snow Leopard, GNU sed-Version 4.2.1 correctly outputs
GIT_AUTHOR_NAME='Re'́mi Leblond
Which also shows that you or GIT have to adjust the substitute expression for
sed, taking into account the presence of ' in names. (But actually the test is
wrong, since it uses an illegal entity, the "é".)
This happens in one GNU Emacs shell with font A. When I use font B I can
clearly see that a COMBINING ACUTE ACCENT, U+0301, is following the "'",
APOSTROPHE at U+0027, which can indicate that GNU sed is not aware of the fact
that Mac OS X does not use the pre-composed characters. This is different from
Ubuntu.
This happens with Fink's gsed 4.2.1 and MacPorts' gsed 4.2.1.
Apple's sed seems to be clever enough to use for reading and writing an
encoding suiting the characters in the input stream.
My final statement: no sed implementation is faulty and needs an update (or
patch), it's as so often the test case which is incorrect, so say the least.
--
Greetings
Pete
There's no place like 127.0.0.1
– origin unknown
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