Newline with `o` key causes text highlighting
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- Dominant language
- TypeScript
- Stars
- 15.2k
- Forks
- 1.5k
- Avg merge
- 3d 18h
- Merged PRs (30d)
- 6
Description
Describe the bug
When using the 'o' key to start a new line, all new text is highlighted red until you change to a new tab then back
To Reproduce
Steps to reproduce the behavior:
- Go to the middle of a file
- Press the 'o' key to start a new line
- Start typing
Expected behavior
The text shouldn't be highlighted
Screenshots

Environment (please complete the following information):
- Extension (VsCodeVim) version: 1.4.0
- VSCode version: 1.33.0
- OS: Ubuntu
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the issue in VSCodeVim with the reported editor and extension versions: open a file, press o in the middle, and type. Trace the o-key newline handling and text-highlighting state; done means newly typed text is not red-highlighted without switching tabs.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- typescript, vscode
- Domain
- tooling
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 38/100