Vietnamese text input renders with corrupted/doubled diacritical marks

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评估

难度
4/5
预计耗时
3-5 天
新手友好度
45/100
Issue 类型
缺陷
描述清晰度
基本清楚
活跃度
冷清
技术栈
powershell, vscode
领域
cli, internationalization, operating-systems

调研方向

报告中没有指出源文件或测试。首先在 Windows 11 上使用 PowerShell 和越南语 Telex 或 VNI 输入，在 VS Code 终端中重现该问题，然后跟踪终端输入渲染路径。对于列出的示例，越南语复合变音符号显示为单个组合字形，即视为完成。

由索引模型根据 Issue 内容生成。

描述

p1
Summary

When typing Vietnamese text in the terminal input on Windows, characters with compound Unicode diacritics (tone mark + vowel modifier) are rendered incorrectly. The base vowel, modifier, and tone mark appear as separate visible characters instead of a single composed glyph.

Expected Behavior

Vietnamese characters with compound diacritics render as single composed glyphs. For example:

  • gặp displays as gặp
  • lỗi displays as lỗi
  • những displays as những
Actual Behavior

Characters with compound diacritics are split/doubled when typed. Examples of what appears on screen:

  • gặp → rendered as gaạpaập
  • lỗi → rendered as lôiỗi
  • những → rendered as nhunữững
  • cập nhật → rendered as câạp nhâật

Screenshot showing the bug:
Image

Steps to reproduce the issue
  1. Open command-code v0.27.0 in VS Code terminal on Windows 11
  2. Switch input language to Vietnamese (Telex or VNI input method)
  3. Type any Vietnamese sentence with compound diacritics, e.g.: gặp lỗi trong những bản cập nhật
  4. Observe the rendered text in the input field
Command Code Version

v0.27.0

Operating System

Windows

Terminal/IDE

VSCode

Shell

PowerShell

Additional context

No response

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