ui-atom: properly escape delimiter in page link

If the delimiter here is '&' then it needs to be escaped for inclusion
in an attribute.  Use html_attrf() to ensure that this happens (we know
that hex won't need escaping, but this makes it clearer what's
happening.

Signed-off-by: John Keeping <john@keeping.me.uk>

diff --git a/ui-atom.c b/ui-atom.c
index 41838d38b7acb2381dd17e509e330da6678e452c..3866823b4baff1401b65ffb5987fc09e652b2963 100644 (file)
--- a/ui-atom.c
+++ b/ui-atom.c
@@ -63,7 +63,7 @@ static void add_entry(struct commit *commit, const char *host)
                html_attr(pageurl);
                if (ctx.cfg.virtual_root)
                        delim = '?';
-               htmlf("%cid=%s", delim, hex);
+               html_attrf("%cid=%s", delim, hex);
                html("'/>\n");
                free(pageurl);
        }