Skip to content

Properly handle bracket delimiters for LaTeX formulas in chat message output #16496

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
wants to merge 2 commits into from
Closed

Properly handle bracket delimiters for LaTeX formulas in chat message output #16496

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
4e642df
fix: Properly handle bracket delimiters for LaTeX formulas in chat me…
allozaur Oct 10, 2025
1bb9723
chore: update webui build output
allozaur Oct 10, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Binary file modified tools/server/public/index.html.gz
View file
Open in desktop
Binary file not shown.
9 changes: 4 additions & 5 deletions tools/server/webui/package-lock.json
View file
Open in desktop

Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.

1 change: 1 addition & 0 deletions tools/server/webui/package.json
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,7 @@
},
"dependencies": {
"highlight.js": "^11.11.1",
"katex": "^0.16.23",
"mode-watcher": "^1.1.0",
"pdfjs-dist": "^5.4.54",
"rehype-highlight": "^7.0.2",
Expand Down
26 changes: 25 additions & 1 deletion tools/server/webui/src/lib/components/app/misc/MarkdownContent.svelte
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -70,6 +70,27 @@
return tempDiv.innerHTML;
}

function preprocessLatexDelimiters(text: string): string {
// Handle escaped bracket delimiters \[...\]
text = text.replace(/\\\[([\s\S]*?)\\\]/g, (match, content) => `$$${content}$$`);

// Handle standalone bracket delimiters [...]
text = text.replace(
/(^|\n)\s*\[\s*([\s\S]*?)\s*\](\s*(?:\n|$))/gm,
(match, prefix, content, suffix) => {
const mathSymbols = /[=+\-*/^_{}\\()αβγδεζηθικλμνξοπρστυφχψω∑∫∂∇±×÷≤≥≠≈∞]/;

if (mathSymbols.test(content)) {
return `${prefix}$$${content}$$${suffix}`;
}

return match;
}
);

return text;
}

function enhanceCodeBlocks(html: string): string {
const tempDiv = document.createElement('div');
tempDiv.innerHTML = html;
Expand Down Expand Up @@ -132,7 +153,10 @@

async function processMarkdown(text: string): Promise<string> {
try {
const result = await processor().process(text);
// Preprocess LaTeX-style bracket delimiters before markdown processing
const preprocessedText = preprocessLatexDelimiters(text);

const result = await processor().process(preprocessedText);
const html = String(result);
const enhancedLinks = enhanceLinks(html);

Expand Down