diff --git a/htmltest/check-link.go b/htmltest/check-link.go
index dae18d7..50f8eab 100644
--- a/htmltest/check-link.go
+++ b/htmltest/check-link.go
@@ -405,23 +405,26 @@ func (hT *HTMLTest) checkMailto(ref *htmldoc.Reference) {
})
return
}
- emailAddress, decodeErr := url.QueryUnescape(ref.URL.Opaque)
- if decodeErr != nil {
- hT.issueStore.AddIssue(issues.Issue{
- Level: issues.LevelError,
- Message: fmt.Sprintf("cannot decode email (%s): '%s'", decodeErr, ref.URL.Opaque),
- Reference: ref,
- })
- return
- }
- formatErr := checkmail.ValidateFormat(emailAddress)
- if formatErr != nil {
- hT.issueStore.AddIssue(issues.Issue{
- Level: issues.LevelError,
- Message: fmt.Sprintf("invalid email address (%s): '%s'", formatErr, emailAddress),
- Reference: ref,
- })
- return
+ // mailto URIs may contain multiple recipients separated by "," (https://datatracker.ietf.org/doc/html/rfc6068#autoid-2)
+ for _, recipient := range strings.Split(ref.URL.Opaque, ",") {
+ emailAddress, decodeErr := url.QueryUnescape(recipient)
+ if decodeErr != nil {
+ hT.issueStore.AddIssue(issues.Issue{
+ Level: issues.LevelError,
+ Message: fmt.Sprintf("cannot decode email (%s): '%s'", decodeErr, ref.URL.Opaque),
+ Reference: ref,
+ })
+ return
+ }
+ formatErr := checkmail.ValidateFormat(emailAddress)
+ if formatErr != nil {
+ hT.issueStore.AddIssue(issues.Issue{
+ Level: issues.LevelError,
+ Message: fmt.Sprintf("invalid email address (%s): '%s'", formatErr, emailAddress),
+ Reference: ref,
+ })
+ return
+ }
}
}
diff --git a/htmltest/check-link_test.go b/htmltest/check-link_test.go
index 3322b02..c3c4ddc 100644
--- a/htmltest/check-link_test.go
+++ b/htmltest/check-link_test.go
@@ -595,6 +595,12 @@ func TestMailtoEncoded(t *testing.T) {
tExpectIssueCount(t, hT, 0)
}
+func TestMailtoMultipleRecipients(t *testing.T) {
+ // ignores valid mailto links
+ hT := tTestFile("fixtures/links/mailto_multiple_recipients.html")
+ tExpectIssueCount(t, hT, 0)
+}
+
func TestMailtoEncodedInvalid(t *testing.T) {
// ignores valid mailto links
hT := tTestFile("fixtures/links/mailto_encoded_invalid.html")
diff --git a/htmltest/fixtures/links/mailto_multiple_recipients.html b/htmltest/fixtures/links/mailto_multiple_recipients.html
new file mode 100644
index 0000000..43ef209
--- /dev/null
+++ b/htmltest/fixtures/links/mailto_multiple_recipients.html
@@ -0,0 +1,9 @@
+
+
+
+
+Mail me.
+
+
+
+