Re: [HarfBuzz] HB_CLOSURE_MAX_STAGES (was: harfbuzz: Branch 'master')

2018-08-03 Thread Behdad Esfahbod
On Thu, Aug 2, 2018 at 12:46 AM, Richard Wordingham < richard.wording...@ntlworld.com> wrote: > On Wed, 1 Aug 2018 17:31:06 -0700 > Behdad Esfahbod wrote: > > > On Mon, Jul 30, 2018 at 6:21 PM, Richard Wordingham < > > richard.wording...@ntlworld.com> wrote: > > > > > On Mon, 30 Jul 2018

Re: [HarfBuzz] HB_CLOSURE_MAX_STAGES (was: harfbuzz: Branch 'master')

2018-08-02 Thread Richard Wordingham
On Wed, 1 Aug 2018 17:31:06 -0700 Behdad Esfahbod wrote: > On Mon, Jul 30, 2018 at 6:21 PM, Richard Wordingham < > richard.wording...@ntlworld.com> wrote: > > > On Mon, 30 Jul 2018 17:04:42 -0700 > > Behdad Esfahbod wrote: > > > It's impossible to hit that limit... Ok, it would be

Re: [HarfBuzz] HB_CLOSURE_MAX_STAGES (was: harfbuzz: Branch 'master')

2018-08-01 Thread Behdad Esfahbod
On Mon, Jul 30, 2018 at 6:21 PM, Richard Wordingham < richard.wording...@ntlworld.com> wrote: > On Mon, 30 Jul 2018 17:04:42 -0700 > Behdad Esfahbod wrote: > > > On Thu, Jul 26, 2018 at 12:06 AM, Richard Wordingham < > > richard.wording...@ntlworld.com> wrote: > > > > > On Tue, 24 Jul 2018

Re: [HarfBuzz] HB_CLOSURE_MAX_STAGES (was: harfbuzz: Branch 'master')

2018-07-30 Thread Richard Wordingham
On Mon, 30 Jul 2018 17:04:42 -0700 Behdad Esfahbod wrote: > On Thu, Jul 26, 2018 at 12:06 AM, Richard Wordingham < > richard.wording...@ntlworld.com> wrote: > > > On Tue, 24 Jul 2018 16:31:50 + (UTC) > > beh...@kemper.freedesktop.org (Behdad Esfahbod) wrote: > > > > The following change

Re: [HarfBuzz] HB_CLOSURE_MAX_STAGES (was: harfbuzz: Branch 'master')

2018-07-30 Thread Behdad Esfahbod
On Thu, Jul 26, 2018 at 7:39 AM, Petr Kobalíček wrote: > I initially thought that this was to prevent an infinite recursion of > contextual lookups. > > I'm working with OpenType myself (not harfbuzz) and this is something that > I think is not clarified in the specification. Can a contextual >

Re: [HarfBuzz] HB_CLOSURE_MAX_STAGES (was: harfbuzz: Branch 'master')

2018-07-30 Thread Behdad Esfahbod
On Thu, Jul 26, 2018 at 12:06 AM, Richard Wordingham < richard.wording...@ntlworld.com> wrote: > On Tue, 24 Jul 2018 16:31:50 + (UTC) > beh...@kemper.freedesktop.org (Behdad Esfahbod) wrote: > > The following change bothers me: > > > src/hb-ot-layout-common-private.hh |7 +++ > >

Re: [HarfBuzz] HB_CLOSURE_MAX_STAGES (was: harfbuzz: Branch 'master')

2018-07-26 Thread Petr Kobalíček
I initially thought that this was to prevent an infinite recursion of contextual lookups. I'm working with OpenType myself (not harfbuzz) and this is something that I think is not clarified in the specification. Can a contextual substitution invoke another contextual substitution and recurse? Is