Make parser.InsideLink public

[kensanata]

I have added hashtags to my Markdown. When rendered, these produce a search link. My problem was that sometimes the link text contained something that looked like a hashtag. Specifically: [oh #ok](ok) should produce <a href="ok">oh #ok</a></p> and not <a href="ok">oh <a class="tag" href="/search/?q=%23ok">#ok</a></a></p>.

I can fix this if p.InsideLink is accessible to my code:

// hashtag returns an inline parser function. This indirection is
// required because we want to receive an array of hashtags found.
// The hashtags in the array keep their case.
func hashtag() (func(p *parser.Parser, data []byte, offset int) (int, ast.Node), *[]string) {
	hashtags := make([]string, 0)
	return func(p *parser.Parser, data []byte, offset int) (int, ast.Node) {
		if p.InsideLink { // HERE
			return 0, nil
		}
		data = data[offset:]
		i := 0
		n := len(data)
		for i < n && !parser.IsSpace(data[i]) {
			i++
		}
		if i <= 1 {
			return 0, nil
		}
		hashtags = append(hashtags, string(data[1:i]))
		link := &ast.Link{
			AdditionalAttributes: []string{`class="tag"`},
			Destination:          append([]byte("/search/?q=%23"), data[1:i]...),
		}
		text := bytes.ReplaceAll(data[0:i], []byte("_"), []byte(" "))
		ast.AppendChild(link, &ast.Text{Leaf: ast.Leaf{Literal: text}})
		return i, link
	}, &hashtags
}

[kjk]

Thanks!