microsoft / microsoft/terminal
COOKED_READ: Overwriting text with surrogate pairs replaces >1 grapheme
Open
Nobody has claimed this yet.
Area-CookedRead
Issue-Bug
Needs-Tag-Fix
Priority-3
Product-Conhost
- Dominant language
- C++
- Stars
- 105k
- Forks
- 9.6k
- Avg merge
- 3d 17h
- Merged PRs (30d)
- 29
Description
Windows Terminal version
No response
Windows build number
No response
Other Software
No response
Steps to reproduce
- Launch cmd.exe
- Type "foo"
- Navigate to the start
- Disable insert mode
- Type 🙂
Expected Behavior
🙂oo
Actual Behavior
🙂o
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
Reproduce the issue in cmd.exe by typing the shown sequence with insert mode disabled, then trace the cooked-read handling for surrogate pairs and graphemes. Done means inserting 🙂 at the start of “foo” produces 🙂oo rather than 🙂o.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- cli, operating-systems
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100