Ignore mailto links

client.go

@@ -75,6 +75,9 @@ type client struct {
 // Supported URL schemas:
 // - gemini
 // - http/https
+//
+// Some schemas automatically return success:
+// - mailto
 func NewClient(opts *ClientOpts) Client {
 	return &client{*opts.withDefaults()}
 }
@@ -240,6 +243,12 @@ func (c *client) getHTTP(
 	}
 }
 
+func (c *client) noOpGet() (
+	string, io.ReadCloser, error,
+) {
+	return "", emptyReadCloser(), nil
+}
+
 func (c *client) get(
 	ctx context.Context, url URL, redirectDepth int,
 ) (
@@ -252,6 +261,8 @@ func (c *client) get(
 		return c.getGemini(ctx, url, redirectDepth)
 	case "http", "https":
 		return c.getHTTP(ctx, url, redirectDepth)
+	case "mailto":
+		return c.noOpGet()
 	default:
 		return "", nil, fmt.Errorf("unsupported scheme %q", scheme)
 	}