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 * HTMLHint v1.9.2
 * https://htmlhint.com
 * Built on: 2026-03-05
 * Copyright (c) 2026 HTMLHint
 * Licensed under MIT License
 */
!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):(e="undefined"!=typeof globalThis?globalThis:e||self).HTMLHint=t()}(this,(function(){"use strict";function e(e){return e&&e.__esModule&&Object.prototype.hasOwnProperty.call(e,"default")?e.default:e}var t,a={},r={};var n,i={};var s,l={},o={};var u,d={};var c,f={};var m,p={};var h,g={};var b,v={};var y,w={};var L,O={};var P,x={};var j,_={};var M,T={};var C,A={};var $,N={};var k,q={};var R,E={};var D,S={};var z,U={};var H,Z={};var F,I={};var V,B={};var W,Y={};var G,J={};var Q,X={};var K,ee={};var te,ae={};var re,ne={};var ie,se={};function le(){return ie||(ie=1,Object.defineProperty(se,"__esModule",{value:!0}),se.default={id:"input-requires-label",description:"All [ input ] tags must have a corresponding [ label ] tag. 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t=(s||(s=1,Object.defineProperty(o,"__esModule",{value:!0}),o.default={id:"alt-require",description:"The alt attribute of an <img> element must be present and alt attribute of area[href] and input[type=image] must have a value.",init(e,t){e.addListener("tagstart",(a=>{const r=a.tagName.toLowerCase(),n=e.getMapAttrs(a.attrs),i=a.col+r.length+1;let s;"img"!==r||"alt"in n?("area"===r&&"href"in n||"input"===r&&"image"===n.type)&&("alt"in n&&""!==n.alt||(s="area"===r?"area[href]":"input[type=image]",t.warn(`The alt attribute of ${s} must have a value.`,a.line,i,this,a.raw))):t.warn("An alt attribute must be present on <img> elements.",a.line,i,this,a.raw)}))}}),o);Object.defineProperty(e,"altRequire",{enumerable:!0,get:function(){return t.default}});var a=function(){if(u)return d;u=1,Object.defineProperty(d,"__esModule",{value:!0});const e=["allowReorder","attributeName","attributeType","autoReverse","baseFrequency","baseProfile","calcMode","clipPath","clipPathUnits","contentScriptType","contentStyleType","diffuseConstant","edgeMode","externalResourcesRequired","filterRes","filterUnits","glyphRef","gradientTransform","gradientUnits","kernelMatrix","kernelUnitLength","keyPoints","keySplines","keyTimes","lengthAdjust","limitingConeAngle","markerHeight","markerUnits","markerWidth","maskContentUnits","maskUnits","numOctaves","onBlur","onChange","onClick","onFocus","onKeyUp","onLoad","pathLength","patternContentUnits","patternTransform","patternUnits","pointsAtX","pointsAtY","pointsAtZ","preserveAlpha","preserveAspectRatio","primitiveUnits","refX","refY","repeatCount","repeatDur","requiredExtensions","requiredFeatures","specularConstant","specularExponent","spreadMethod","startOffset","stdDeviation","stitchTiles","surfaceScale","systemLanguage","tableValues","targetX","targetY","textLength","viewBox","viewTarget","xChannelSelector","yChannelSelector","zoomAndPan"];function 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i=(h||(h=1,Object.defineProperty(g,"__esModule",{value:!0}),g.default={id:"attr-value-no-duplication",description:"Class attributes should not contain duplicate values. 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a=escape(s[0]).replace(/%u/,"\\u").replace(/%/,"\\x");t.warn(`The value of attribute [ ${r.name} ] cannot contain an unsafe char [ ${a} ].`,e.line,n+r.index,this,r.raw)}}))}}),w);Object.defineProperty(e,"attrUnsafeChars",{enumerable:!0,get:function(){return ie.default}});var se=(L||(L=1,Object.defineProperty(O,"__esModule",{value:!0}),O.default={id:"attr-value-double-quotes",description:"Attribute values must be in double quotes.",init(e,t){e.addListener("tagstart",(e=>{const a=e.attrs;let r;const n=e.col+e.tagName.length+1;for(let i=0,s=a.length;i<s;i++)r=a[i],(""!==r.value&&'"'!==r.quote||""===r.value&&"'"===r.quote)&&t.error(`The value of attribute [ ${r.name} ] must be in double quotes.`,e.line,n+r.index,this,r.raw)}))}}),O);Object.defineProperty(e,"attrValueDoubleQuotes",{enumerable:!0,get:function(){return se.default}});var Ae=(P||(P=1,Object.defineProperty(x,"__esModule",{value:!0}),x.default={id:"attr-value-not-empty",description:"All attributes must have 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Ze=(M||(M=1,Object.defineProperty(T,"__esModule",{value:!0}),T.default={id:"attr-whitespace",description:"All attributes should be separated by only one space and not have leading/trailing whitespace.",init(e,t,a){const r=Array.isArray(a)?a:[];e.addListener("tagstart",(e=>{const a=e.attrs;let n;const i=e.col+e.tagName.length+1;a.forEach((a=>{n=a;const s=a.name;-1===r.indexOf(s)&&(a.value.trim()!==a.value&&t.error(`The attributes of [ ${s} ] must not have leading or trailing whitespace.`,e.line,i+n.index,this,n.raw),a.value.replace(/ +(?= )/g,"")!==a.value&&t.error(`The attributes of [ ${s} ] must be separated by only one space.`,e.line,i+n.index,this,n.raw))}))}))}}),T);Object.defineProperty(e,"attrWhitespace",{enumerable:!0,get:function(){return Ze.default}});var Fe=(C||(C=1,Object.defineProperty(A,"__esModule",{value:!0}),A.default={id:"button-type-require",description:'The type attribute of a <button> element must be present with a valid value: "button", "submit", or 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a}format(e,t={}){const a=[],r={white:"",grey:"",red:"",reset:""};t.colors&&(r.white="[37m",r.grey="[90m",r.red="[31m",r.reset="[39m");const n=t.indent||0;return e.forEach((e=>{let t=e.evidence;const i=e.line,s=e.col,l=t.length;let u=s>41?s-40:1,d=t.length>s+60?s+60:l;s<41&&(d+=40-s+1),t=t.replace(/\t/g," ").substring(u-1,d),u>1&&(t=`...${t}`,u-=3),d<l&&(t+="..."),a.push(`${r.white+o(n)}L${i} |${r.grey}${t}${r.reset}`);let c=s-u;const f=t.substring(0,c).match(/[^\u0000-\u00ff]/g);null!==f&&(c+=f.length),a.push(`${r.white+o(n)+o(String(i).length+3+c)}^ ${r.red}${e.message} (${e.rule.id})${r.reset}`)})),a}},Object.values(l).forEach((t=>{e.HTMLHint.addRule(t)}))}(a)),a);return e(Be)}));

if ( window.HTMLHint && window.HTMLHint.HTMLHint ) { window.HTMLHint = window.HTMLHint.HTMLHint; }

Editing: htmlhint.js

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