If the value passed to getAttrValueMatch is quoted, then remove the

quotes.

@@ -98,6 +98,7 @@ const compileMatcher = (ast: AST, selector: string): MatcherProducer => {
 
   const getAttrValueMatch = (value: string, operator: string = '=', caseSensitive: boolean): AttrValueMatch => {
     if (value === undefined) return (attrValue) => attrValue !== undefined
+    if (value[ 0 ] === '"' || value[ 0 ] === '\'') value = value.substring(1, value.length - 1)
     const isCaseInsensitive = caseSensitive === 'i'
     if (isCaseInsensitive) value = value.toLowerCase()
     const adjustMatcher = (matcher) => isCaseInsensitive ? (attrValue) => matcher(attrValue.toLowerCase()) : matcher