Ok, so be it: We have seen that both apropos() and find() have used `some' non-standard evaluation up to R 2.4.1 which gave quite incosistent behavior.
Getting rid of non-standard evaluation get's rid of all inconsistencies but of course is not back-compatible either. I'll do this. Martin >>>>> "Luke" == Luke Tierney <[EMAIL PROTECTED]> >>>>> on Fri, 22 Dec 2006 07:08:44 -0600 (CST) writes: Luke> On Fri, 22 Dec 2006, Kurt Hornik wrote: >>>>>>> Martin Maechler writes: >> >>>>>>> "DeepS" == Deepayan Sarkar <[EMAIL PROTECTED]> >>>>>>> on Thu, 21 Dec 2006 22:07:27 -0800 writes: >> DeepS> The old apropos started with: if DeepS> (!is.character(what)) what <- DeepS> as.character(substitute(what)) >> DeepS> The new one has: >> DeepS> if (character.only) stopifnot(is.character(what)) DeepS> else what <- as.character(substitute(what)) >> DeepS> i.e., the check for is.character(what) is DeepS> missing. This has the effect that 'what' can no DeepS> longer be a character string generated by a function DeepS> call unless 'character.only = TRUE'. I don't think DeepS> this was intended; the change makes previously valid DeepS> use invalid and I can't think of a situation where it DeepS> is useful. >> >>> [ Did you read the corresponding NEWS entry? ] >> >>> It now parallelizes the use in library() , require() etc, >>> and in particular does what the documentation says it does! >> >>> The old behavior was much less consistent and not according to >>> documentation: >> >>> apropos(lm) was equivalent to apropos("lm") >>> but apropos(fit) gave an error. >> >> I would actually prefer if we only had standard evaluation for apropos() >> and find(). >> >> (I understand we cannot do this for library() and help().) Luke> I agree completely. If it is OK to make changes that make previous Luke> usage fail then it would be better to go to standard evaluation and Luke> let apropos(lm) fail. Luke> luke Luke> -- Luke> Luke Tierney Luke> Chair, Statistics and Actuarial Science Luke> Ralph E. Wareham Professor of Mathematical Sciences Luke> University of Iowa Phone: 319-335-3386 Luke> Department of Statistics and Fax: 319-335-3017 Luke> Actuarial Science Luke> 241 Schaeffer Hall email: [EMAIL PROTECTED] Luke> Iowa City, IA 52242 WWW: http://www.stat.uiowa.edu Luke> ______________________________________________ Luke> R-devel@r-project.org mailing list Luke> https://stat.ethz.ch/mailman/listinfo/r-devel ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel