Add EMailFormatterPrintExtension.

This is an abstract base type for formatter extensions which are
intended only for use by EMailFormatterPrint.

1 files changed, 17 insertions, 0 deletions

diff --git a/em-format/e-mail-formatter-print.c b/em-format/e-mail-formatter-print.c
index 8e56445ccd..7016b2fb78 100644
--- a/em-format/e-mail-formatter-print.c
+++ b/em-format/e-mail-formatter-print.c
@@ -282,3 +282,20 @@ e_mail_formatter_print_get_type (void)
 	return type;
 }
 
+/* ------------------------------------------------------------------------- */
+
+G_DEFINE_ABSTRACT_TYPE (
+	EMailFormatterPrintExtension,
+	e_mail_formatter_print_extension,
+	E_TYPE_MAIL_FORMATTER_EXTENSION)
+
+static void
+e_mail_formatter_print_extension_class_init (EMailFormatterPrintExtensionClass *class)
+{
+}
+
+static void
+e_mail_formatter_print_extension_init (EMailFormatterPrintExtension *extension)
+{
+}
+