Note to first-time contributors: Please open a discussion post in Discussions and describe your changes before submitting a pull request.
Before submitting, make sure you've checked the following:
Target branch: Please verify that the pull request targets the dev branch.
Description: Provide a concise description of the changes made in this pull request.
Changelog: Ensure a changelog entry following the format of Keep a Changelog is added at the bottom of the PR description.
Documentation: Have you updated relevant documentation Open WebUI Docs, or other documentation sources?
Dependencies: Are there any new dependencies? Have you updated the dependency versions in the documentation?
Testing: Have you written and run sufficient tests for validating the changes?
Code review: Have you performed a self-review of your code, addressing any coding standard issues and ensuring adherence to the project's coding standards?
Prefix: To cleary categorize this pull request, prefix the pull request title, using one of the following:
BREAKING CHANGE: Significant changes that may affect compatibility
build: Changes that affect the build system or external dependencies
ci: Changes to our continuous integration processes or workflows
chore: Refactor, cleanup, or other non-functional code changes
docs: Documentation update or addition
feat: Introduces a new feature or enhancement to the codebase
fix: Bug fix or error correction
i18n: Internationalization or localization changes
perf: Performance improvement
refactor: Code restructuring for better maintainability, readability, or scalability
style: Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc.)
test: Adding missing tests or correcting existing tests
WIP: Work in progress, a temporary label for incomplete or ongoing work
Changelog Entry
Description
This PR attempts to fix some issues in KaTex rendering, including:
Inline KaTeX not rendering when using delimiters other than $...$
Block KaTeX rendering as inline KaTeX
Changed
$$...$$ is now correctly registered as displaymath
Add start token computation for every math delimiter
Correctly mark block KaTeX
Screenshots or Videos
Here is the screenshot of previous version. The model is Qwen 2.5, which notably uses \(...\) and \[...\] as math delimiters.
Notice that block math equation is rendered as inline math equations, and some inline equations are not rendered.
In comparison, here is the screenshot after this PR:
🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.
## 📋 Pull Request Information
**Original PR:** https://github.com/open-webui/open-webui/pull/5655
**Author:** [@sp301415](https://github.com/sp301415)
**Created:** 9/24/2024
**Status:** ✅ Merged
**Merged:** 9/24/2024
**Merged by:** [@tjbck](https://github.com/tjbck)
**Base:** `dev` ← **Head:** `dev`
---
### 📝 Commits (6)
- [`2145463`](https://github.com/open-webui/open-webui/commit/214546399a89a5e3ce50a424b017b2b4aad895f1) fix: fix katex rendering
- [`377cc42`](https://github.com/open-webui/open-webui/commit/377cc427b6701708a38ce5af01508cc649e27ce2) fix: Remove unnecessary logging
- [`0bfbace`](https://github.com/open-webui/open-webui/commit/0bfbace9aa38ec93e99b6d48d14e3f75acaa8428) fix: Simplify regex
- [`e48d66f`](https://github.com/open-webui/open-webui/commit/e48d66f918d61440ebd3cff950004709f83a0c3b) fix: Remove unnecessary logging
- [`3f1255b`](https://github.com/open-webui/open-webui/commit/3f1255b39e8cef8ee37ab147d107bda67549c27b) fix: Change inline and block delimiters
- [`30e65b3`](https://github.com/open-webui/open-webui/commit/30e65b33f6ca25b462d0657171d949286d19c45d) fix: Add comments
### 📊 Changes
**2 files changed** (+88 additions, -91 deletions)
<details>
<summary>View changed files</summary>
📝 `src/lib/utils/index.ts` (+0 -18)
📝 `src/lib/utils/marked/katex-extension.ts` (+88 -73)
</details>
### 📄 Description
# Pull Request Checklist
### Note to first-time contributors: Please open a discussion post in [Discussions](https://github.com/open-webui/open-webui/discussions) and describe your changes before submitting a pull request.
**Before submitting, make sure you've checked the following:**
- [x] **Target branch:** Please verify that the pull request targets the `dev` branch.
- [x] **Description:** Provide a concise description of the changes made in this pull request.
- [x] **Changelog:** Ensure a changelog entry following the format of [Keep a Changelog](https://keepachangelog.com/) is added at the bottom of the PR description.
- [ ] **Documentation:** Have you updated relevant documentation [Open WebUI Docs](https://github.com/open-webui/docs), or other documentation sources?
- [ ] **Dependencies:** Are there any new dependencies? Have you updated the dependency versions in the documentation?
- [x] **Testing:** Have you written and run sufficient tests for validating the changes?
- [x] **Code review:** Have you performed a self-review of your code, addressing any coding standard issues and ensuring adherence to the project's coding standards?
- [x] **Prefix:** To cleary categorize this pull request, prefix the pull request title, using one of the following:
- **BREAKING CHANGE**: Significant changes that may affect compatibility
- **build**: Changes that affect the build system or external dependencies
- **ci**: Changes to our continuous integration processes or workflows
- **chore**: Refactor, cleanup, or other non-functional code changes
- **docs**: Documentation update or addition
- **feat**: Introduces a new feature or enhancement to the codebase
- **fix**: Bug fix or error correction
- **i18n**: Internationalization or localization changes
- **perf**: Performance improvement
- **refactor**: Code restructuring for better maintainability, readability, or scalability
- **style**: Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc.)
- **test**: Adding missing tests or correcting existing tests
- **WIP**: Work in progress, a temporary label for incomplete or ongoing work
# Changelog Entry
### Description
This PR attempts to fix some issues in KaTex rendering, including:
- Inline KaTeX not rendering when using delimiters other than `$...$`
- Block KaTeX rendering as inline KaTeX
### Changed
- `$$...$$` is now correctly registered as displaymath
- Add start token computation for every math delimiter
- Correctly mark block KaTeX
---
### Screenshots or Videos
Here is the screenshot of previous version. The model is Qwen 2.5, which notably uses `\(...\)` and `\[...\]` as math delimiters.
<img width="815" alt="katex_old" src="https://github.com/user-attachments/assets/b1e3a85e-878a-4743-861d-1556054fb965">
Notice that block math equation is rendered as inline math equations, and some inline equations are not rendered.
In comparison, here is the screenshot after this PR:
<img width="809" alt="katex_new" src="https://github.com/user-attachments/assets/95ee84da-2578-4b77-8496-511febde79db">
---
<sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>
Blocking a user prevents them from interacting with repositories, such as opening or commenting on pull requests or issues. Learn more about blocking a user.
📋 Pull Request Information
Original PR: https://github.com/open-webui/open-webui/pull/5655
Author: @sp301415
Created: 9/24/2024
Status: ✅ Merged
Merged: 9/24/2024
Merged by: @tjbck
Base:
dev← Head:dev📝 Commits (6)
2145463fix: fix katex rendering377cc42fix: Remove unnecessary logging0bfbacefix: Simplify regexe48d66ffix: Remove unnecessary logging3f1255bfix: Change inline and block delimiters30e65b3fix: Add comments📊 Changes
2 files changed (+88 additions, -91 deletions)
View changed files
📝
src/lib/utils/index.ts(+0 -18)📝
src/lib/utils/marked/katex-extension.ts(+88 -73)📄 Description
Pull Request Checklist
Note to first-time contributors: Please open a discussion post in Discussions and describe your changes before submitting a pull request.
Before submitting, make sure you've checked the following:
devbranch.Changelog Entry
Description
This PR attempts to fix some issues in KaTex rendering, including:
$...$Changed
$$...$$is now correctly registered as displaymathScreenshots or Videos
Here is the screenshot of previous version. The model is Qwen 2.5, which notably uses

\(...\)and\[...\]as math delimiters.Notice that block math equation is rendered as inline math equations, and some inline equations are not rendered.
In comparison, here is the screenshot after this PR:

🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.