Replace separate_rows with separate_longer_delim

[ndporter]

Replaces all instances of the superseded separate_rows() with the superseding separate_longer_delim().

Closes #462

[github-actions[bot]]

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Rendered Changes

:mag: Inspect the changes: https://github.com/datacarpentry/r-socialsci/compare/md-outputs..md-outputs-PR-475

The following changes were observed in the rendered markdown documents:

 04-tidyr.md | 32 ++++++++++++++++----------------
 md5sum.txt  |  2 +-
 2 files changed, 17 insertions(+), 17 deletions(-)

What does this mean?

If you have source files that require output and figures to be generated (e.g. R Markdown), then it is important to make sure the generated figures and output are reproducible. This output provides a way for you to inspect the output in a diff-friendly manner so that it's easy to see the changes that occur due to new software versions or randomisation.

:stopwatch: Updated at 2023-07-25 20:23:40 +0000

[juanfung]

@ndporter looks good thank you!