From 04e4b0c469733f04c51e3de5ad93a51454465979 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 13 May 2019 20:52:14 +0530
Subject: [PATCH] Fix rendering of text containing the VS15 variation selector

Fixes #1611
---
 kitty/fonts.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/kitty/fonts.c b/kitty/fonts.c
index 80ff6bd28..ee9b01042 100644
--- a/kitty/fonts.c
+++ b/kitty/fonts.c
@@ -804,9 +804,12 @@ check_cell_consumed(CellData *cell_data, CPUCell *last_cpu_cell) {
             case 0:
                 cell_data->current_codepoint = cell_data->cpu_cell->ch;
                 break;
-            default:
-                cell_data->current_codepoint = codepoint_for_mark(cell_data->cpu_cell->cc_idx[cell_data->codepoints_consumed - 1]);
+            default: {
+                index_type mark = cell_data->cpu_cell->cc_idx[cell_data->codepoints_consumed - 1];
+                // VS15 causes rendering to break, so map it to 0
+                cell_data->current_codepoint = (mark == VS15 || mark == VS16) ? 0 : codepoint_for_mark(mark);
                 break;
+            }
         }
     }
     return 0;