For some options that are rarely needed in apropos(1) and man(1),

[mandoc.git] / man_html.c

diff --git a/man_html.c b/man_html.c
index 10c544f993e52e771d6a5169962ec5dbab6e0735..ede0a43b77a3d772d3b733cca2159b6e85f0e509 100644 (file)
--- a/man_html.c
+++ b/man_html.c
@@ -1,4 +1,4 @@
-/*     $Id: man_html.c,v 1.134 2017/03/15 11:29:53 schwarze Exp $ */
+/*     $Id: man_html.c,v 1.135 2017/03/17 12:10:16 schwarze Exp $ */
 /*
  * Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2013, 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
@@ -440,7 +440,8 @@ man_SH_pre(MAN_ARGS)
        if (n->type == ROFFT_HEAD) {
                id = html_make_id(n);
                print_otag(h, TAG_H1, "cTi", "Sh", id);
-               print_otag(h, TAG_A, "chR", "selflink", id);
+               if (id != NULL)
+                       print_otag(h, TAG_A, "chR", "selflink", id);
                free(id);
        }
        return 1;
@@ -509,7 +510,8 @@ man_SS_pre(MAN_ARGS)
        if (n->type == ROFFT_HEAD) {
                id = html_make_id(n);
                print_otag(h, TAG_H2, "cTi", "Ss", id);
-               print_otag(h, TAG_A, "chR", "selflink", id);
+               if (id != NULL)
+                       print_otag(h, TAG_A, "chR", "selflink", id);
                free(id);
        }
        return 1;