Re: Fix for BLINE removal

[Ingo Schwarze <schwarze@usta.de>]

Hi Joerg,

Joerg Sonnenberger wrote on Wed, Nov 16, 2011 at 03:12:39PM +0100:

> the attached patch fixes the BLINE removal logic in man(7) for cases
> like
> 
> 	.TP 8
> 	.SH foo
> 
> This is one of the most popular issues with man pages in pkgsrc right
> now. Comments?

I can confirm both the problem and the fix, i see no regressions,
and have just committed your patch to OpenBSD.  If you want to commit
to bsd.lv, that's OK schwarze@.

Thanks!
  Ingo


> Index: man.c
> ===================================================================
> RCS file: /home/joerg/cvsroot/mdocml/man.c,v
> retrieving revision 1.113
> diff -u -p -r1.113 man.c
> --- man.c	7 Nov 2011 01:24:40 -0000	1.113
> +++ man.c	16 Nov 2011 14:11:00 -0000
> @@ -556,10 +556,15 @@ man_pmacro(struct man *m, int ln, char *
>  	if ((m->flags & MAN_BLINE) &&
>  	    (MAN_BSCOPE & man_macros[tok].flags)) {
>  		n = m->last;
> -		assert(MAN_TEXT != n->type);
>  
> -		/* Remove element that didn't end BLINE, if any. */
> +		/* Might be a text node like 8 in
> +		 * .TP 8
> +		 * .SH foo
> +		 */
> +		if (MAN_TEXT == n->type)
> +			n = n->parent;
>  
> +		/* Remove element that didn't end BLINE, if any. */
>  		if ( ! (MAN_BSCOPE & man_macros[n->tok].flags))
>  			n = n->parent;
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