[Rd] getAnywhere and functions starting with "." (PR#7684)

[Prof Brian Ripley]

This was mentioned a week or so ago on R-devel and is already fixed in the 
current sources: from the NEWS file

     o	getAnywhere() was confused by names with leading or trailing dots
 	(spotted by Robert McGehee)

On Fri, 11 Feb 2005 mark.bravington at csiro.au wrote:

> Full_Name: Mark Bravington
> Version: 2.0.1
> OS: Windows XP
> Submission from: (NULL) (140.79.22.104)
>
>
> 'getAnywhere' crashes when its argument starts with a period:

It does not: it gives an error.  Please do read the comment on this in the 
posting guide!

>> getAnywhere( '.onLoad')
> Error in exists(x, envir, mode, inherits) :
>        invalid first argument
>
> One fix might be to replace the line
>
> if ( !is.null(f <- getS3method(gen, cl, TRUE))) {
>
> with
>
> if ( nchar( gen) && !is.null(f <- getS3method(gen, cl, TRUE))) {
>
> Mark
>
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>
>

-- 
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)
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