mandoc: In roff, a space character at the beginning of an input line

mandoc: In roff, a space character at the beginning of an input line

[schwarze]

Log Message:
-----------
In roff, a space character at the beginning of an input line requires 
starting a new output line, and merely starting a new line of HTML 
code isn't sufficient to achieve that.  Solve this in the same way
as mdoc_html.c already does it, by printing a <br/> element.
Fixing a bug reported by Jason A. Donenfeld <Jason at zx2c4 dot com>
in the wg-quick(8) manual page on manpages.debian.org.

Modified Files:
--------------
    mandoc:
        man_html.c

Revision Data
-------------
Index: man_html.c
===================================================================
RCS file: /home/cvs/mandoc/mandoc/man_html.c,v
retrieving revision 1.174
retrieving revision 1.175
diff -Lman_html.c -Lman_html.c -u -p -r1.174 -r1.175
--- man_html.c
+++ man_html.c
@@ -1,7 +1,7 @@
 /*	$Id$ */
 /*
  * Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2013-2015, 2017-2019 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2013-2015, 2017-2020 Ingo Schwarze <schwarze@openbsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -178,7 +178,7 @@ print_man_node(MAN_ARGS)
 		}
 		if (*n->string == ' ' && n->flags & NODE_LINE &&
 		    (h->flags & HTML_NONEWLINE) == 0)
-			print_endline(h);
+			print_otag(h, TAG_BR, "");
 		else if (n->flags & NODE_DELIMC)
 			h->flags |= HTML_NOSPACE;
 		t = h->tag;
--
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