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Windows clipbaord functions need format = 13 on R >= 4.2 #62

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yutannihilation opened this issue Jan 31, 2022 · 1 comment · Fixed by #63
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Windows clipbaord functions need format = 13 on R >= 4.2 #62

yutannihilation opened this issue Jan 31, 2022 · 1 comment · Fixed by #63
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@mdlincoln

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yutannihilation commented Jan 31, 2022 •
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You know, the upcoming R 4.2 for Windows will support UTF-8 as native encoding.

c.f. https://blog.r-project.org/2021/12/07/upcoming-changes-in-r-4.2-on-windows/index.html

While this itself is a very great change, this causes a possible mismatch between the system's encoding and R's encoding. Currently, the default of format argument is 1, which means (from ?clipboard):

CF_TEXT	1	Text in the machine's locale

but R uses UTF-8. Because of this gap, the texts will get garbled like this: tidyverse/reprex#406

To avoid the problem, we need to specify 13, which means unicode (UTF-16).

CF_UNICODETEXT	13	Text in Unicode (UCS-2)

By choosing this, the R's connection API will converts the text from / to R strings properly (I don't understand the mechanism, but it seems to work so. c.f., https://bugs.r-project.org/show_bug.cgi?id=18267). Actually, this is the recommended setting by ?clipboard:

It is recommended to use Unicode text instead of text to avoid interoperability problems. (Note that R 4.2 and newer on recent systems uses UTF-8 as the native encoding but the machine's locale uses a different encoding.)
@yutannihilation yutannihilation mentioned this issue Jan 31, 2022
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@mdlincoln mdlincoln self-assigned this Feb 2, 2022
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Thank you very much for the report and PR 🥂 I will be able to review it a bit later this week.

netbsd-srcmastr pushed a commit to NetBSD/pkgsrc that referenced this issue Apr 14, 2022
(devel-R-clipr) Updated 0.7.1 to 0.8.0
e452f49 
## clipr 0.8.0

- Add handlers for using the clipboard on systems using [Wayland]
  (https://wayland.freedesktop.org/) via
  [wl-clipboard](https://github.com/bugaevc/wl-clipboard).
  Thank you to @nacnudus for the PR.

- For R >= 4.2, `write_clip()` calls on Windows are modified to work
  well with R's shift to supporting UTF-8 as a native encoding on Windows.
  Thank you to @yutannihilation for the PR. Read more here:
  <mdlincoln/clipr#62>

- Moved CI off of Travis and on to GitHub Actions

- Clipr now has a pkgdown site at <https://matthewlincoln.net/clipr/>
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Use format=13 on R>=4.2 yutannihilation/clipr
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