Re: [Rd] make check for 2.5.1 RC fails on mbcsToSbcs in graphics

From: Prof Brian Ripley <ripley_at_stats.ox.ac.uk>
Date: Wed, 27 Jun 2007 16:20:39 +0100 (BST)

On Wed, 27 Jun 2007, Peter Dalgaard wrote:

> Prof Brian Ripley wrote:

>> But R 2.5.0 does the same, and as far as I know R has done so for many
>> past versions.
>>
>> You are asking the impossible: outputting Latin-1 in a Latin-2
>> environment. Remember that postscript() does not handle UTF-8, and so
>> uses whatever it thinks the local 8-bit encoding is, in your case
>> either Latin-2 or ASCII. We can probably work around this, but
>> definitely not at this late stage for 2.5.1.

> Yes. Longer term we probably should. I don't think we want "make check" > to be locale-dependent, and we do enforce C locale elsewhere.

But you can't really avoid it if you want to test non-ASCII features: for example, you cannot test Latin-1 graphics in a C locale.

It was intended that the postscript device opened for testing graphics was opened with encoding="ISOLatin1". That should certainly have helped, at least in a UTF-8 locale, but unfortunately there were a couple of typos in tests/Examples/Makefile. Fixing that file makes 'make check' work in cs_CZ.utf8 at least on my machine.

It still remains that (for examples) you cannot successfully run make check in a MBCS locale without iconv, nor will zh_CN.gbk nor zh_TW.big5 work. I've added a note to R-admin to say that you may need to try a suitable locale.

-- 
Brian D. Ripley,                  ripley_at_stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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