[vte] emulation: Implement SUB

[Christian Persch <chpe src gnome org>]

commit a64a06f4753573010951f6b23206ffa742a93267
Author: Christian Persch <chpe src gnome org>
Date:   Tue Mar 27 19:40:13 2018 +0200

    emulation: Implement SUB

 src/vteseq.cc |    9 +--------
 1 files changed, 1 insertions(+), 8 deletions(-)
---
diff --git a/src/vteseq.cc b/src/vteseq.cc
index 7e1b9a0..e527b08 100644
--- a/src/vteseq.cc
+++ b/src/vteseq.cc
@@ -7543,15 +7543,8 @@ VteTerminalPrivate::SUB(vte::parser::Sequence const& seq)
          *
          * References: ECMA-48 § 8.3.148
          */
-#if 0
-        static const struct vte_seq rep = {
-                .type = VTE_SEQ_GRAPHIC,
-                .command = VTE_CMD_GRAPHIC,
-                .terminator = 0xfffd,
-        };
 
-        return screen_GRAPHIC(screen, &rep);
-#endif
+        insert_char(0xfffdu, false, true);
 }
 
 void