Re: Allowing path data to start with any segment type

Am 11.11.2010 um 22:30 schrieb Robert O'Callahan:

> On Fri, Nov 12, 2010 at 9:32 AM, Alex Danilo <alex@abbra.com> wrote:
>        I think this is an extremely bad idea. Akmnost every graphics language
> in the world requires some form of moveto as the first thing when drawing
> polylines, paths etc.
> 
> So there's precedent, but precedent alone isn't a very strong argument here. If people are used to always providing a moveto as the first path component, they can continue to do that with Jonathan's proposal and everything will work.
> 
>        If authors are that silly and don't realize their mistake they need
> to RTFM IMHO.
> 
> A well-designed language minimizes the amount of RTFMing.
> 
> AFAIK the only significant argument against changing this is that it introduces potential interop problems with existing UAs for only a small gain. But the next time we extend path syntax, I think we should definitely start allowing non-movetos as the first component.

I agree, SVG documents with paths that are valid according to the current specification are not affected. And less restriction for users are desirable.

Dirk