Don't move backward dot tooltip

Co-authored-by: aider (gemini/gemini-2.5-pro) <aider@aider.chat>

webclient/src/Article.js

@@ -106,7 +106,7 @@ function Article({ cache }) {
 
 			if (v.nodeName === '#text') {
 				const text = v.data;
-				if (text.includes('\\[') || text.includes('\\(') || text.includes('$$') || text.includes('$')) {
+				if (text.includes('\\[') || text.includes('\\(') || text.includes('$$') || /\$(?:[^$]*[^\s$])\$/.test(text)) {
 					return <Latex key={key} delimiters={latexDelimiters}>{text}</Latex>;
 				}
 

webclient/src/Style-light.css

@@ -360,3 +360,33 @@ button.comment {
 	border-width: 0 2px 2px 0;
 	transform: rotate(45deg);
 }
+
+.tooltip .tooltiptext {
+	visibility: hidden;
+	width: 140px;
+	background-color: #555;
+	color: #fff;
+	text-align: center;
+	border-radius: 6px;
+	padding: 5px 0;
+	position: absolute;
+	z-index: 1;
+	bottom: 110%;
+	left: 50%;
+	margin-left: -70px;
+	opacity: 0;
+	transition: opacity 0.2s;
+	font-size: 0.9rem;
+	line-height: 1.3;
+}
+
+.forwardDot .tooltiptext {
+	left: auto;
+	right: 0;
+	margin-left: 0;
+}
+
+.tooltip.show-tooltip .tooltiptext {
+	visibility: visible;
+	opacity: 1;
+}

webclient/src/utils.js

@@ -1,4 +1,4 @@
-import React from 'react';
+import React, { useState } from 'react';
 import moment from 'moment';
 import { Link } from 'react-router-dom';
 
@@ -32,6 +32,8 @@ export const ToggleDot = ({ id, article }) => (
 );
 
 export const BackwardDot = () => {
+	const [showTooltip, setShowTooltip] = useState(false);
+
 	const goBackward = () => {
 		localStorage.setItem('scrollLock', 'True');
 		window.history.back();
@@ -42,15 +44,25 @@ export const BackwardDot = () => {
 	if (!document.fullscreenElement) return null;
 
 	return (
-		<div className='dot backwardDot' onClick={goBackward}>
+		<div
+			className={'dot backwardDot tooltip' + (showTooltip ? ' show-tooltip' : '')}
+			onClick={goBackward}
+			onMouseEnter={() => setShowTooltip(true)}
+			onMouseLeave={() => setShowTooltip(false)}
+			onTouchStart={() => setShowTooltip(true)}
+			onTouchEnd={() => setShowTooltip(false)}
+		>
 			<div className='button'>
 				
 			</div>
+			<span className="tooltiptext">Browser Back</span>
 		</div>
 	);
 };
 
 export const ForwardDot = () => {
+	const [showTooltip, setShowTooltip] = useState(false);
+
 	const goForward = () => {
 		localStorage.setItem('scrollLock', 'True');
 		window.history.forward();
@@ -60,10 +72,18 @@ export const ForwardDot = () => {
 	if (!isMobile) return null;
 
 	return (
-		<div className='dot forwardDot' onClick={goForward}>
+		<div
+			className={'dot forwardDot tooltip' + (showTooltip ? ' show-tooltip' : '')}
+			onClick={goForward}
+			onMouseEnter={() => setShowTooltip(true)}
+			onMouseLeave={() => setShowTooltip(false)}
+			onTouchStart={() => setShowTooltip(true)}
+			onTouchEnd={() => setShowTooltip(false)}
+		>
 			<div className='button'>
 				
 			</div>
+			<span className="tooltiptext">Browser Forward</span>
 		</div>
 	);
 };