1 files changed, 0 insertions, 59 deletions
diff --git a/vendor/github.com/gomarkdown/markdown/internal/valid/valid.go b/vendor/github.com/gomarkdown/markdown/internal/valid/valid.go
deleted file mode 100644
index 9b3de3ec..00000000
--- a/vendor/github.com/gomarkdown/markdown/internal/valid/valid.go
+++ /dev/null
@@ -1,59 +0,0 @@
-package valid
-
-import (
-	"bytes"
-)
-
-var URIs = [][]byte{
-	[]byte("http://"),
-	[]byte("https://"),
-	[]byte("ftp://"),
-	[]byte("mailto:"),
-}
-
-var Paths = [][]byte{
-	[]byte("/"),
-	[]byte("./"),
-	[]byte("../"),
-}
-
-// TODO: documentation
-func IsSafeURL(url []byte) bool {
-	nLink := len(url)
-	for _, path := range Paths {
-		nPath := len(path)
-		linkPrefix := url[:nPath]
-		if nLink >= nPath && bytes.Equal(linkPrefix, path) {
-			if nLink == nPath {
-				return true
-			} else if isAlnum(url[nPath]) {
-				return true
-			}
-		}
-	}
-
-	for _, prefix := range URIs {
-		// TODO: handle unicode here
-		// case-insensitive prefix test
-		nPrefix := len(prefix)
-		if nLink > nPrefix {
-			linkPrefix := bytes.ToLower(url[:nPrefix])
-			if bytes.Equal(linkPrefix, prefix) && isAlnum(url[nPrefix]) {
-				return true
-			}
-		}
-	}
-
-	return false
-}
-
-// isAlnum returns true if c is a digit or letter
-// TODO: check when this is looking for ASCII alnum and when it should use unicode
-func isAlnum(c byte) bool {
-	return (c >= '0' && c <= '9') || isLetter(c)
-}
-
-// isLetter returns true if c is ascii letter
-func isLetter(c byte) bool {
-	return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')
-}