Submitted upstream at https://bugs.netsurf-browser.org/mantis/view.php?id=2870

--- libcss-0.9.2/test/dump.h.orig
+++ libcss-0.9.2/test/dump.h
@@ -131,7 +131,7 @@ void dump_rule_media(css_rule_media *s, char **buf, size_t *buflen)
 	char *ptr = *buf;
 	css_rule *rule;
 
-	ptr += sprintf(ptr, "| @media %s%03lx",
+	ptr += sprintf(ptr, "| @media %s%03" PRIx64,
 			s->media->negate_type ? "not " : "",
 			s->media->type);
 
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<tr><td><span title='2024-03-19 <tr><td><span title='2023-07-18 00:41:15 +0200'>2023-07-18</span></td><td><a href='/guix/commit/doc/environment-gdb.scm?id=602e32c8e0e36d149e1424d8023a214abd3d34ba'>doc: Update GDB "guix shell" example to use autoconf-2.69</a><span class='msg-avail'>...<span class='msg-tooltip'>* doc/environment-gdb.scm: Change to use autoconf-2.69.
* gnu/packages/autotools.scm: Remove outdated GDB comment.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>fan<tr><td><span title='2023-08-22 12:32:20 -0400'>2023-08-22</span></td><td><a href='/guix/commit/etc/teams/qt?id=0b994bb9b10b381376f1dfd8bd2bc9173ede2a66'>etc: Add Qt manifests for Qt maintenance.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/teams/qt/common.scm: New file.
* etc/teams/qt/qt-manifest.scm: Likewise.
* etc/teams/qt/qt5-manifest.scm: Likewise.
</span></span></td><td>Maxim Cournoyer</td></tr>