Function candidatePaths

internal/attachments/references.go:388–399

candidatePaths returns the ways a destination could name a file on disk. goldmark reports the destination alone, without the angle brackets or the whitespace that separated it from the rest of the link, so what arrives is already the name. Backslash escapes and percent encoding survive, and either c

(dest string)

// "<./my file.png>" or "./my%20file.png" to parse at all, which is also why a
// space inside the brackets belongs to the name and is kept.
func candidatePaths(dest string) []string {
	out := []string{dest}
	if unescaped := unescapePunctuation(dest); unescaped != dest {
		out = append(out, unescaped)
	}
	for _, s := range append([]string{}, out...) {
		if decoded, err := url.PathUnescape(s); err == nil && decoded != s {
			out = append(out, decoded)
		}
	}
	return out
}

// comparableDestination reduces a destination goldmark reported to the single
// form used to decide whether a run of source is the node it came from. Percent