From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Wed, 21 Jul 2021 14:13:27 +0000 (+0100)
Subject: [Minor] Fix one more corner case
X-Git-Tag: 3.0~120
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=23b52c3eb70ba4a81d0eb84e7a1b4812027f1035;p=rspamd.git

[Minor] Fix one more corner case
---

diff --git a/src/libserver/html/html.cxx b/src/libserver/html/html.cxx
index d60210ba6..6cf3b959d 100644
--- a/src/libserver/html/html.cxx
+++ b/src/libserver/html/html.cxx
@@ -1191,9 +1191,10 @@ html_append_tag_content(rspamd_mempool_t *pool,
 					/* Add a space */
 					hc->parsed += ' ';
 				}
+
 				hc->parsed.append(maybe_alt.value());
 
-				if (!g_ascii_isspace (hc->parsed.back())) {
+				if (!hc->parsed.empty() && !g_ascii_isspace (hc->parsed.back())) {
 					/* Add a space */
 					hc->parsed += ' ';
 				}