diff options
Diffstat (limited to 'modules/markup/html.go')
| -rw-r--r-- | modules/markup/html.go | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/modules/markup/html.go b/modules/markup/html.go index b06b6da7ae..b10da40fc1 100644 --- a/modules/markup/html.go +++ b/modules/markup/html.go @@ -58,6 +58,9 @@ var ( emailRegex = regexp.MustCompile("(?:\\s|^|\\(|\\[)([a-zA-Z0-9.!#$%&'*+\\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9]{2,}(?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+)(?:\\s|$|\\)|\\]|\\.(\\s|$))") linkRegex, _ = xurls.StrictMatchingScheme("https?://") + + // blackfriday extensions create IDs like fn:user-content-footnote + blackfridayExtRegex = regexp.MustCompile(`[^:]*:user-content-`) ) // CSS class for action keywords (e.g. "closes: #1") @@ -312,6 +315,12 @@ func (ctx *postProcessCtx) postProcess(rawHTML []byte) ([]byte, error) { } func (ctx *postProcessCtx) visitNode(node *html.Node) { + // Add user-content- to IDs if they don't already have them + for idx, attr := range node.Attr { + if attr.Key == "id" && !(strings.HasPrefix(attr.Val, "user-content-") || blackfridayExtRegex.MatchString(attr.Val)) { + node.Attr[idx].Val = "user-content-" + attr.Val + } + } // We ignore code, pre and already generated links. switch node.Type { case html.TextNode: |