Fix a regression in the previous revision:

When there is no link description, reuse the URI.
Reported by tj@ and bentley@.

diff --git a/usr.bin/mandoc/mdoc_html.c b/usr.bin/mandoc/mdoc_html.c
index 1fb8236..ec6d155 100644 (file)
--- a/usr.bin/mandoc/mdoc_html.c
+++ b/usr.bin/mandoc/mdoc_html.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: mdoc_html.c,v 1.164 2017/05/30 16:31:25 schwarze Exp $ */
+/*     $OpenBSD: mdoc_html.c,v 1.165 2017/06/19 12:53:50 schwarze Exp $ */
 /*
  * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2014, 2015, 2016, 2017 Ingo Schwarze <schwarze@openbsd.org>
@@ -1320,12 +1320,16 @@ mdoc_lk_pre(MDOC_ARGS)
        punct = punct->next;
 
        /* Link target and link text. */
+       descr = link->next;
+       if (descr == punct)
+               descr = link;  /* no text */
        t = print_otag(h, TAG_A, "cTh", "Lk", link->string);
-       for (descr = link->next; descr != punct; descr = descr->next) {
+       do {
                if (descr->flags & (NODE_DELIMC | NODE_DELIMO))
                        h->flags |= HTML_NOSPACE;
                print_text(h, descr->string);
-       }
+               descr = descr->next;
+       } while (descr != punct);
        print_tagq(h, t);
 
        /* Trailing punctuation. */