From 948dec3d7519dd5b93db9a0027477da9f5331fb3 Mon Sep 17 00:00:00 2001
From: zeripath <art27@cantab.net>
Date: Sun, 19 Jan 2020 21:36:00 +0000
Subject: [PATCH] Allow hyphen in language name (#9873)
---
modules/markup/sanitizer.go | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/modules/markup/sanitizer.go b/modules/markup/sanitizer.go
index d135d41966..5158e67c2a 100644
--- a/modules/markup/sanitizer.go
+++ b/modules/markup/sanitizer.go
@@ -38,7 +38,7 @@ func NewSanitizer() {
func ReplaceSanitizer() {
sanitizer.policy = bluemonday.UGCPolicy()
// We only want to allow HighlightJS specific classes for code blocks
- sanitizer.policy.AllowAttrs("class").Matching(regexp.MustCompile(`^language-\w+$`)).OnElements("code")
+ sanitizer.policy.AllowAttrs("class").Matching(regexp.MustCompile(`^language-[\w-]+$`)).OnElements("code")
// Checkboxes
sanitizer.policy.AllowAttrs("type").Matching(regexp.MustCompile(`^checkbox$`)).OnElements("input")