From 606517c920ae9c4b87c9e9254ba4e9640821c167 Mon Sep 17 00:00:00 2001
From: "Michael D. Lowis" <mike.lowis@gentex.com>
Date: Tue, 3 Jul 2018 13:56:27 -0400
Subject: [PATCH] fixed a bug when attempting to scroll tag line with only one
 line present

---
 TODO.md    | 3 ++-
 lib/view.c | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/TODO.md b/TODO.md
index 54fab8e..32643f0 100644
--- a/TODO.md
+++ b/TODO.md
@@ -2,8 +2,9 @@
 
 BUGS:
 
+* Undo/Redo not implemented
+* gap buffer does not handle UTF-8 currently
 * Repeatedly pasting eventually causes an assertion
-* Segfault while scrolling through testdocs/sherlock.txt
 * Middle click on selected command does not execute
 
 Up Next:
diff --git a/lib/view.c b/lib/view.c
index 0d0cfb7..492dfda 100644
--- a/lib/view.c
+++ b/lib/view.c
@@ -344,6 +344,7 @@ static void scroll_up(View* view) {
 }
 
 static void scroll_dn(View* view) {
+    if (view->nrows <= 1) return;
     size_t nleft = (view->nrows - view->index);
     if (nleft <= view->nvisible) {
         size_t off = view->rows[view->index+1]->off;
-- 
2.49.0