[R] R 1.8.1 - 1.9.0 incompatability: Underscore in syntactically valid names

[Peter Dalgaard]

mmiller3 at iupui.edu (Michael A. Miller) writes:

> I have numerous data files that have dashes, periods and
> underscores in the header row.  I've got numerous R codes that
> read those files with read.table and read.csv and then use the
> names expecting the underscores and dashes to be changed to
> periods in the column names.  Since this no longer happens in
> 1.9.0, lots of codes are failing. 

Gah! I could swear we discussed that particular issue leading up to
1.9.x and had plans for a compatibility option.

You might file a bug report at least for the docs, since the example
is clearly wrong...

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