Re: [WIP] SYNOPSIS indentation

[Kristaps Dzonsons <kristaps@bsd.lv>]

> here is the other patch i hacked up on the plane.
> It is still work in progress, there are few bugs in
> horizontal spacing still, but it mostly does the job
> and certainly shows the spirit.
> Again, this is based on OpenBSD-current, and needs to
> be rebased on bsd.lv HEAD.
> 
> This is best used together with the .Bk patch just sent,
> but does not depend on it.

I'm quite pleased with the simplicity of this one.  Nice!  It needs to
be brought up to speed with term_strlen() and term_len(), but that's a
four-second operation (I noted the parts in-line).

Also, you'll need to modify mdoc.7 and mdoc.3 to note that `Nm' can be
two different types of variable.

Do make sure this doesn't break any assumptions of MDOC_ELEM in the
actioner/validator.  I didn't double-check these.

Kristaps

> +	switch (n->type) {
> +	case (MDOC_BLOCK):
> +		return(1);
> +	case (MDOC_HEAD):
> +		p->flags |= TERMP_NOBREAK | TERMP_HANG;
> +		offset = n->child ? 6 : strlen(m->name)+1;

This'll be term_len(p, 6) and term_strlen(m->name) + term_len(p, 1).

> +		p->rmargin = p->offset + offset;
> +		break;
> +	case (MDOC_BODY):
> +		p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
> +		offset = n->prev->child ? 6 : strlen(m->name)+1;

Same as above...

> +		p->offset += offset;
> +		return(1);
> +	default:
> +		break;
> +	}
>  
>  	if (NULL == n->child && NULL == m->name)
>  		return(1);
> @@ -1062,11 +1083,33 @@ termp_nm_pre(DECL_ARGS)
>  	term_fontpush(p, TERMFONT_BOLD);
>  	if (NULL == n->child)
>  		term_word(p, m->name);
> +
>  	return(1);
>  }
>  
>  
>  /* ARGSUSED */
> +static void
> +termp_nm_post(DECL_ARGS)
> +{
> +
> +	switch (n->type) {
> +	case (MDOC_HEAD):
> +		term_flushln(p);
> +		p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
> +		break;
> +	case (MDOC_BODY):
> +		term_flushln(p);
> +		p->flags &= ~TERMP_NOLPAD;
> +		break;
> +	default:
> +		break;
> +	}
> +	return;
> +}
> +
> +		
> +/* ARGSUSED */
>  static int
>  termp_fl_pre(DECL_ARGS)
>  {
> --
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> 

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