From 5d014f50df9a04c6bd8f5433e4d82b99666a862d Mon Sep 17 00:00:00 2001
From: Tanner Collin <git@tannercollin.com>
Date: Fri, 5 Dec 2025 17:24:40 +0000
Subject: [PATCH] fix: Remove single dollar sign math rendering due to false
 positives

Co-authored-by: aider (gemini/gemini-2.5-pro) <aider@aider.chat>
---
 webclient/src/Article.js | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/webclient/src/Article.js b/webclient/src/Article.js
index 9af3567..dde7fb3 100644
--- a/webclient/src/Article.js
+++ b/webclient/src/Article.js
@@ -12,7 +12,6 @@ const DANGEROUS_TAGS = ['svg', 'math'];
 const latexDelimiters = [
     { left: '$$', right: '$$', display: true },
     { left: '\\[', right: '\\]', display: true },
-    { left: '$', right: '$', display: false },
     { left: '\\(', right: '\\)', display: false }
 ];
 
@@ -106,7 +105,7 @@ function Article({ cache }) {
 
 			if (v.nodeName === '#text') {
 				const text = v.data;
-				if (text.includes('\\[') || text.includes('\\(') || text.includes('$$') || text.includes('$')) {
+				if (text.includes('\\[') || text.includes('\\(') || text.includes('$$')) {
 					return <Latex key={key} delimiters={latexDelimiters}>{text}</Latex>;
 				}
 
@@ -138,8 +137,7 @@ function Article({ cache }) {
 			const textContent = v.textContent.trim();
 			const isMath = (textContent.startsWith('\\(') && textContent.endsWith('\\)')) ||
 				(textContent.startsWith('\\[') && textContent.endsWith('\\]')) ||
-				(textContent.startsWith('$$') && textContent.endsWith('$$')) ||
-				(textContent.startsWith('$') && textContent.endsWith('$') && textContent.indexOf('$') !== textContent.lastIndexOf('$'));
+				(textContent.startsWith('$$') && textContent.endsWith('$$'));
 
 			const props = { key: key };
 			if (v.hasAttributes()) {
@@ -159,13 +157,6 @@ function Article({ cache }) {
 						const firstParen = mathContent.indexOf('\\(');
 						const lastParen = mathContent.lastIndexOf('\\)');
 						mathContent = mathContent.substring(0, firstParen) + '\\[' + mathContent.substring(firstParen + 2, lastParen) + '\\]' + mathContent.substring(lastParen + 2);
-					} else if (trimmed.startsWith('$') && !trimmed.startsWith('$$')) {
-						// Replace $ with $$
-						const firstDollar = mathContent.indexOf('$');
-						const lastDollar = mathContent.lastIndexOf('$');
-						if (firstDollar !== lastDollar) {
-							mathContent = mathContent.substring(0, firstDollar) + '$$' + mathContent.substring(firstDollar + 1, lastDollar) + '$$' + mathContent.substring(lastDollar + 1);
-						}
 					}
 				}
 				return <Tag {...props}><Latex delimiters={latexDelimiters}>{mathContent}</Latex></Tag>;