From ff7307324ce69f3d55aa935db5aa0f1802785115 Mon Sep 17 00:00:00 2001
From: Your Name <you@example.com>
Date: Thu, 24 Feb 2022 13:05:40 -0500
Subject: Fixed issue when compiling with -D_GLIBCXX_ASSERTIONS

---
 src/sword.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/sword.cc')

diff --git a/src/sword.cc b/src/sword.cc
index a693085..936100a 100644
--- a/src/sword.cc
+++ b/src/sword.cc
@@ -97,7 +97,7 @@ void Sword::fillBuffer(string ref, Glib::RefPtr<Gtk::TextBuffer> buf) {
             } else if (modifier == "title") {
                 tags.push_back(titleScale);
                 // Ensure newline
-                if(tex.text.back() != '\n') {
+                if(!tex.text.empty() and tex.text.back() != '\n') {
                     tex.text.push_back('\n');
                 }
             } else if (modifier == "preverse") {
@@ -135,7 +135,7 @@ void Sword::fillBuffer(string ref, Glib::RefPtr<Gtk::TextBuffer> buf) {
         } else {
             iter = buf->insert_with_tags(iter, tex.text, tags);
         }
-        if(tex.text.back() == '\n') {
+        if(!tex.text.empty() and tex.text.back() == '\n') {
             isNewline = true;
         } else {
             isNewline = false;
-- 
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