From b45c812c1654f8844d000e4f30103bff2dbe6406 Mon Sep 17 00:00:00 2001
From: Miek Gieben <miek@miek.nl>
Date: Fri, 3 Jan 2025 10:04:42 +0100
Subject: [PATCH] Add missing nil check in html renderer

Signed-off-by: Miek Gieben <miek@miek.nl>
---
 render/mhtml/hook.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/render/mhtml/hook.go b/render/mhtml/hook.go
index 1d76efc..1e6ea18 100644
--- a/render/mhtml/hook.go
+++ b/render/mhtml/hook.go
@@ -105,7 +105,7 @@ func (r RendererOptions) RenderHook(w io.Writer, node ast.Node, entering bool) (
 	return ast.GoToNext, false
 }
 
-func bibliographyItem(w io.Writer, bib *mast.BibliographyItem, entering bool) {
+func bibliographyItem(w io.Writer, bib *mast.BibliographyItem, _ bool) {
 	io.WriteString(w, `<dt class="bibliography-cite" id="`+string(bib.Anchor)+`">`+fmt.Sprintf("[%s]", bib.Anchor)+"</dt>\n")
 	io.WriteString(w, `<dd>`)
 	defer io.WriteString(w, "</dd>\n")
@@ -119,7 +119,7 @@ func bibliographyItem(w io.Writer, bib *mast.BibliographyItem, entering bool) {
 	if bib.Reference.Target != "" {
 		io.WriteString(w, `<a class="bliography-target" href="`+bib.Reference.Target+"\">"+bib.Reference.Target+"</a>\n")
 	}
-	if bib.Reference.Front.Date.Year != "" {
+	if bib.Reference.Front.Date != nil && bib.Reference.Front.Date.Year != "" {
 		io.WriteString(w, `<date class="bibliography-date">`+bib.Reference.Front.Date.Year+"</date>\n")
 	}
 }