gh-151675: Add tkinter Text.sync() and Text.pendingsync()

[serhiy-storchaka]

Wrap the Tk text widget "sync" and "pendingsync" subcommands, which control and report the synchronization of the displayed view with the underlying text when line heights have not yet been computed.

• Issue: Add tkinter Text methods sync() and pendingsync() #151675

[read-the-docs-community]

Documentation build overview

📚 cpython-previews | 🛠️ Build #33226447 | 📁 Comparing 8abc1cf against main (17720b1)

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5 files changed · ± 5 modified

± Modified

• library/curses.html
• library/os.html
• library/tkinter.html
• whatsnew/3.16.html
• whatsnew/changelog.html