fix

Author: wxiaoguang

modules/templates/mailer.go

@@ -58,7 +58,12 @@ func Mailer(ctx context.Context) (*texttmpl.Template, *template.Template) {
 	bodyTemplates := template.New("")
 
 	subjectTemplates.Funcs(mailSubjectTextFuncMap())
-	bodyTemplates.Funcs(NewFuncMap())
+	// To do the best avoid serious breaking, add some functions back for body templates
+	// Keep in mind that some behaviors have changed, for worse case, double-escaping
+	bodyTemplateFuncMap := NewFuncMap()
+	bodyTemplateFuncMap["Safe"] = SafeHTML
+	bodyTemplateFuncMap["Escape"] = HTMLEscape
+	bodyTemplates.Funcs(bodyTemplateFuncMap)
 
 	assetFS := AssetFS()
 	refreshTemplates := func(firstRun bool) {