Re: [R] Danish characters i R2.0.1 vs R1.9.1 under winXP

[Prof Brian Ripley]

On Thu, 25 Nov 2004, Jean Coursol wrote:
The same is true in french under linux.
No, it is not the same.  Windows XP does this even in the Danish locale, 
and that is a problem (in Windows).

Your problem is simply that you should be using a French locale to use 
French characters.  You should not expect French characters to be 
recognised in a non-French locale, and if they were, that was a bug in R 
1.9.1.

From ?Sys.setlocale
     The locale describes aspects of the internationalization of a
     program. Initially most aspects of the locale of R are set to
     '"C"' (which is the default for the C language and reflects
     North-American usage). R does set '"LC_CTYPE"' and '"LC_COLLATE"',
     which allow the use of a different character set (typically ISO
     Latin 1) and alphabetic comparisons in that character set
     (including the use of 'sort') ....
Something changed
from 1.9.1 to 2.0.0.
Yes, that has already be explained in this thread, so please read earlier 
replies.

To summarize: a bug has been corrected so R now works as it has always 
been documented to do, print()ing only the printable characters of the 
current locale.  Unfortunately for German and Scandinavian locales (at 
least), Windows XP does not correctly identify some of the characters in 
their locales as used in the locale.  As from 2.0.1 patched, we no longer 
believe Windows, but we do still believe other OSes.


First, it is necessary to have .inputrc (in $HOME)
(or $INPUTRC defined) to enter and display 8-bits
characters under bash and R.
Enter from the console, yes, but not e.g. from a file.
#.inputrc (for readline library)
set input-meta on
set output-meta on
set convert-meta off
Then
Under R2.0.1, I have:
In what locale?  It matters!
élément <- "é"           # error for object name
Error: syntax error
element <- "é"
element
[1] "\351"                 # different from R1.9.1 (="é")
Sys.setlocale('LC_ALL','fr_FR')
The setting you need is LC_CTYPE: see the help page.
[1] "fr_FR"
élément <- "é"           # OK for object name
élément
[1] "é"                    # OK for display
--
Brian D. Ripley,                  [EMAIL PROTECTED]
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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