From 92b9b057ddc6349db680c85c946376de412f2f5214aa47999b5fb8dbcadc4cdc Mon Sep 17 00:00:00 2001
From: ADAM David Alan Martin <adam@recursive.engineer>
Date: Wed, 1 Oct 2025 03:39:43 -0400
Subject: [PATCH] Fix a crash with string trimming.

---
 src/html.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/html.cc b/src/html.cc
index f0c85a9..d0dfbe1 100644
--- a/src/html.cc
+++ b/src/html.cc
@@ -4150,7 +4150,7 @@ static const char *Html_get_attr2(DilloHtml *html,
    }
 
    if (tag_parsing_flags & HTML_LeftTrim)
-      while (isspace(Buf.front()))
+      while (not Buf.empty() and isspace(Buf.front()))
          Buf.erase( 0, 1 );
    if (tag_parsing_flags & HTML_RightTrim)
       while (Buf.size() && isspace( Buf.back() ))