Can any #rstats gurus tell me why Linux has started adding the "zone: [GMT]" to the JSON output of these failing tests: - cran.r-project.org/web/check…
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Replying to @_davecooley
Following the RSS summaries of r-devel changes, I am aware of a fairly larger number of cleanups at the datetime (POSIXt types) level. See eg the link below for today's summary (in not so pretty html) and scroll back a bit. I suspect this to be related.

Nov 8, 2022 · 10:48 PM UTC

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Replying to @eddelbuettel
Thanks for the pointer "Objects of class ‘"POSIXlt"’ created in this version of R always have 11 components: component ‘zone’ is always set, and component ‘gmtoff’ is set for times in UTC and usually set"
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In the email I got Prof Ripley says "you should not test the internal structure of R objects". I guess the easiest solution for these failing tests, is to not test them...