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Fix #321

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This commit is contained in:
yuin 2022-09-02 20:08:28 +09:00
parent 175c5ecd0c
commit 20df1691ad
2 changed files with 22 additions and 1 deletions
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7
extension/_test/typographer.txt
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@ -134,3 +134,10 @@ We're talking about the internet --- 'net for short. Let's rock 'n roll!
//- - - - - - - - -//
<p>We&rsquo;re talking about the internet &mdash; &rsquo;net for short. Let&rsquo;s rock &rsquo;n roll!</p>
//= = = = = = = = = = = = = = = = = = = = = = = =//
19: Quotes in alt text
//- - - - - - - - -//
![Nice & day, **isn't** it?](https://example.com/image.jpg)
//- - - - - - - - -//
<p><img src="https://example.com/image.jpg" alt="Nice &amp; day, isn&rsquo;t it?"></p>
//= = = = = = = = = = = = = = = = = = = = = = = =//

16
renderer/html/html.go
View file

@ -571,7 +571,7 @@ func (r *Renderer) renderImage(w util.BufWriter, source []byte, node ast.Node, e
_, _ = w.Write(util.EscapeHTML(util.URLEscape(n.Destination, true)))
}
_, _ = w.WriteString(`" alt="`)
_, _ = w.Write(util.EscapeHTML(n.Text(source)))
_, _ = w.Write(nodeToHTMLText(n, source))
_ = w.WriteByte('"')
if n.Title != nil {
_, _ = w.WriteString(` title="`)
@ -840,3 +840,17 @@ func IsDangerousURL(url []byte) bool {
return bytes.HasPrefix(url, bJs) || bytes.HasPrefix(url, bVb) ||
bytes.HasPrefix(url, bFile) || bytes.HasPrefix(url, bData)
}
func nodeToHTMLText(n ast.Node, source []byte) []byte {
var buf bytes.Buffer
for c := n.FirstChild(); c != nil; c = c.NextSibling() {
if s, ok := c.(*ast.String); ok && s.IsCode() {
buf.Write(s.Text(source))
} else if !c.HasChildren() {
buf.Write(util.EscapeHTML(c.Text(source)))
} else {
buf.Write(nodeToHTMLText(c, source))
}
}
return buf.Bytes()
}