tags with namespace are parsed incorrectly

[JounQin]

const ngHtmlParser = require('angular-html-parser')

const { rootNodes } = ngHtmlParser.parse(
  /* HTML */ `
  <svg:defs>
    <svg:linearGradient></svg:linearGradient>
  </svg:defs>
`.trim(),
)

console.log('rootNodes:', ...rootNodes)

rootNodes: Element {
name: ':svg:defs', // <--  why?
attrs: [],
children: [
  Text {
    value: '\n      ',
    sourceSpan: [ParseSourceSpan],
    i18n: undefined,
    type: 'text'
  },
  Element {
    name: ':svg:linearGradient',
    attrs: [],
    children: [],
    sourceSpan: [ParseSourceSpan],
    startSourceSpan: [ParseSourceSpan],
    endSourceSpan: [ParseSourceSpan],
    nameSpan: [ParseSourceSpan],
    i18n: null,
    type: 'element'
  },
  Text {
    value: '\n    ',
    sourceSpan: [ParseSourceSpan],
    i18n: undefined,
    type: 'text'
  }
],
sourceSpan: ParseSourceSpan {
  start: ParseLocation {
    file: [ParseSourceFile],
    offset: 0,
    line: 0,
    col: 0
  },
  end: ParseLocation {
    file: [ParseSourceFile],
    offset: 10,
    line: 0,
    col: 10
  },
  details: null
},
startSourceSpan: ParseSourceSpan {
  start: ParseLocation {
    file: [ParseSourceFile],
    offset: 0,
    line: 0,
    col: 0
  },
  end: ParseLocation {
    file: [ParseSourceFile],
    offset: 10,
    line: 0,
    col: 10
  },
  details: null
},
endSourceSpan: ParseSourceSpan {
  start: ParseLocation {
    file: [ParseSourceFile],
    offset: 63,
    line: 2,
    col: 4
  },
  end: ParseLocation {
    file: [ParseSourceFile],
    offset: 74,
    line: 2,
    col: 15
  },
  details: null
},
nameSpan: ParseSourceSpan {
  start: ParseLocation {
    file: [ParseSourceFile],
    offset: 1,
    line: 0,
    col: 1
  },
  end: ParseLocation {
    file: [ParseSourceFile],
    offset: 9,
    line: 0,
    col: 9
  },
  details: null
},
i18n: null,
type: 'element'
}