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## Why Mixed prose lines that contained URLs started taking the URL-preserving wrapping path, but that path could split ordinary words mid-token. A follow-up issue remained in scrollback insertion: when already-rendered indented rows were wrapped again, continuation rows could lose their margin and fall back to terminal hard wrapping. Together those bugs made normal Markdown output look broken around links, lists, blockquotes, and indented content. Separately, the local argument-comment lint wrappers failed under environments that set `PYTHONSAFEPATH=1`, because Python no longer adds the script directory to `sys.path` automatically. That prevented the lint from reaching Rust callsites at all. <img width="1778" height="1558" alt="CleanShot 2026-05-09 at 11 51 38" src="https://github.com/user-attachments/assets/9274d150-1757-4f1a-89ac-5bdc9997d8cb" /> ## What Changed - Preserve URL tokens without turning every neighboring prose word into a character-level split point. - Add a mixed URL/prose wrapper that keeps ordinary words whole, preserves leading whitespace, and re-splits long non-URL tokens against the actual width available on continuation rows. - Reuse a rendered history row's leading whitespace as the continuation indent when scrollback insertion has to pre-wrap it again. - Add regression coverage for markdown wrapping, history-cell rendering, scrollback continuation margins, leading-indent width accounting, and continuation-row re-splitting. - Make both argument-comment lint entrypoints explicitly add their own directory to `sys.path`, so sibling imports still work when `PYTHONSAFEPATH=1`. ## How to Test 1. Start Codex and render a long Markdown response that mixes prose with inline links, blockquotes, lists, and indented code-like text. 2. Confirm that ordinary words next to links stay whole instead of breaking mid-word. 3. Resize or replay the transcript and confirm wrapped continuation rows keep their expected left margin for blockquotes, lists, and indented content. 4. Run the source argument-comment lint from a shell with `PYTHONSAFEPATH=1` and confirm it starts normally instead of failing to import `wrapper_common`. Targeted tests: - `cargo test -p codex-tui mixed_line --lib` - `cargo test -p codex-tui preserves_prefix_on_wrapped_rows --lib` - `cargo test -p codex-tui agent_markdown_cell_does_not_split_words_after_inline_markdown --lib` - `cargo test -p codex-tui mixed_url_markdown_wraps_prose_without_splitting_words_snapshot --lib` - `python3 tools/argument-comment-lint/test_wrapper_common.py` - `just argument-comment-lint-from-source -p codex-tui -- --lib` Notes: - `cargo test -p codex-tui` currently reaches the new tests successfully, then still aborts in the pre-existing `tests::fork_last_filters_latest_session_by_cwd_unless_show_all` stack-overflow failure.
npm i -g @openai/codex
or brew install --cask codex
Codex CLI is a coding agent from OpenAI that runs locally on your computer.
If you want Codex in your code editor (VS Code, Cursor, Windsurf), install in your IDE.
If you want the desktop app experience, run
codex app or visit the Codex App page.
If you are looking for the cloud-based agent from OpenAI, Codex Web, go to chatgpt.com/codex.
Quickstart
Installing and running Codex CLI
Install globally with your preferred package manager:
# Install using npm
npm install -g @openai/codex
# Install using Homebrew
brew install --cask codex
Then simply run codex to get started.
You can also go to the latest GitHub Release and download the appropriate binary for your platform.
Each GitHub Release contains many executables, but in practice, you likely want one of these:
- macOS
- Apple Silicon/arm64:
codex-aarch64-apple-darwin.tar.gz - x86_64 (older Mac hardware):
codex-x86_64-apple-darwin.tar.gz
- Apple Silicon/arm64:
- Linux
- x86_64:
codex-x86_64-unknown-linux-musl.tar.gz - arm64:
codex-aarch64-unknown-linux-musl.tar.gz
- x86_64:
Each archive contains a single entry with the platform baked into the name (e.g., codex-x86_64-unknown-linux-musl), so you likely want to rename it to codex after extracting it.
Using Codex with your ChatGPT plan
Run codex and select Sign in with ChatGPT. We recommend signing into your ChatGPT account to use Codex as part of your Plus, Pro, Business, Edu, or Enterprise plan. Learn more about what's included in your ChatGPT plan.
You can also use Codex with an API key, but this requires additional setup.
Docs
This repository is licensed under the Apache-2.0 License.