Encoding problem in RStudio viewer pane but not in rmarkdown html output

[renkun-ken]

When a data frame with unicode characters (e.g. Chinese), the formattable is not correctly rendered in RStudio viewer pane but rendered correctly in html document produced by rmarkdown renderer.

df <- data.frame(id = 1:2, name = c("小明", "小红"), age=c(10,20))
formattable(df)

The locale of the R session must be set as Chinese first using

Sys.setlocale(locale = "Chinese")

[renkun-ken]

I trace the execution in formattable:::as.htmlwidget.formattable and the encoding is well preserved everywhere before htmlwidgets::createWidget is finally called. Then I guess the problem occurs in this function.

[renkun-ken]

The encoding problem is fixed in v0.2 branch.

[github-actions]

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