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-rw-r--r--vendor/github.com/gomarkdown/markdown/parser/inline.go17
1 files changed, 16 insertions, 1 deletions
diff --git a/vendor/github.com/gomarkdown/markdown/parser/inline.go b/vendor/github.com/gomarkdown/markdown/parser/inline.go
index bc30326d..d68983f7 100644
--- a/vendor/github.com/gomarkdown/markdown/parser/inline.go
+++ b/vendor/github.com/gomarkdown/markdown/parser/inline.go
@@ -766,7 +766,22 @@ func entity(p *Parser, data []byte, offset int) (int, ast.Node) {
// undo & escaping or it will be converted to & by another
// escaper in the renderer
if bytes.Equal(ent, []byte("&")) {
- ent = []byte{'&'}
+ return end, newTextNode([]byte{'&'})
+ }
+ if len(ent) < 4 {
+ return end, newTextNode(ent)
+ }
+
+ // if ent consists solely out of numbers (hex or decimal) convert that unicode codepoint to actual rune
+ codepoint := uint64(0)
+ var err error
+ if ent[2] == 'x' || ent[2] == 'X' { // hexadecimal
+ codepoint, err = strconv.ParseUint(string(ent[3:len(ent)-1]), 16, 64)
+ } else {
+ codepoint, err = strconv.ParseUint(string(ent[2:len(ent)-1]), 10, 64)
+ }
+ if err == nil { // only if conversion was valid return here.
+ return end, newTextNode([]byte(string(codepoint)))
}
return end, newTextNode(ent)