Re: WOFF2 and 'meta' table

On Thu, May 28, 2015 at 7:24 PM, Levantovsky, Vladimir <
Vladimir.Levantovsky@monotype.com> wrote:

>  We can definitely revisit the list of known tables and see if anything
> there could be eliminated / swapped for 'meta' tag, but for all intent and
> purposes the list has nothing to do with how compression is applied, it
> only helps to save some bytes by reducing the size of the table directory.
>
>  Any arbitrary table that is not "known" would be represented in the
> table directory by the 'arbitrary' flag followed by the table tag, the
> table data itself will be a part of the compressed data stream regardless
> of whether it's known or not.
>

It would be great to actually measure this for a font with a 'meta' table,
just to have the hard data.  Any volunteers?

>
> Thank you,
> Vlad
>
>
> On May 28, 2015, at 7:29 PM, "Sergey Malkin" <sergeym@microsoft.com>
> wrote:
>
>   Apple defines ‘meta’ table that is still outside of OpenType spec. It
> contains information about languages font supports and designed for. We in
> Windows 10 decided to add this table to our system fonts and are in process
> of doing so.
>
>
>
> I noticed that this table is not in the list of known table tags (
> http://www.w3.org/TR/WOFF2/#table_dir_format) and this may be the only
> real world table that is not compressed by this mechanism. Can we consider
> adding this table to the list? I know that list is currently full, but
> maybe we can replace some rarely used table with it?
>
>
>
> Thanks,
>
> Sergey
>
>
>
>
>
>