Integrate updates from 1.6 and above

simoncozens commented 4 years ago

1.6

GDEF: Mark filtering sets, markglyphsetsdef, GDEF version number
head: fontDirectionHint deprecated,
cmap format 13
cmap, name: "Microsoft" platform -> Windows
New features: cvar, ltra, ltrm, lnum, onum, rtla, rtlm
New languages and scripts
name: format 1 naming, set to zero (name id 15), Unicode Platform Specific encoding ID
os/2: bit 61, fsSelection

New tables: CBDT, CBLC, COLR, CPAL, MATH, SVG
New features: Dotless Forms, Flattened accent forms, Math script style alternates, Required Contextual Alternates and Stretching Glyph Decomposition
gasp: bit flag
name: IDs 23, 24
os/2: version 5, usLowerOpticalPointSize, usUpperOpticalPointSize
TrueType Collection -> Font Collection. .OTC
VORG now optional
New languages and script tags

See updates to ISO/IEC 14496-22:2015 Amendment 1 and draft Amendment 2.

OpenType variations.
- New tables: avar, fvar, gvar, HVAR, MVAR, VVAR, STAT
- Feature Variations common table, VariationIndex table
- Touched tables: BASE, gasp, GDEF, GPOS, GSUB, head, hhea, jstf, os/2, vhea
- Common Formats chapter
- Overview chapter
New language tags and script tags
New tables: MERG, meta, SBIX, STAT
GDEF: Mark attachment class, mark glyph sets, caret value format 3
BASE: new version
CFF2
- touches post
New features: rvrn, vrtr
glyf: WE_HAVE_A_TWO_BY_TWO, OVERLAP_COMPOUND, SCALED_COMPONENT_OFFSET and UNSCALED_COMPONENT_OFFSET (from ISO/IEC)
GPOS: ValueFormat mask, version
name: new ID 25, changed ID 6
SVG: Updates from ISO/IEC

davelab6 commented 4 years ago

We may need to author this fresh based on FontTools code.

simoncozens commented 3 years ago

Yes. I also suggest we omit the MATH table, just in case.

davelab6 commented 3 years ago

@simoncozens I suggest closing this, and as per discussion in another issue more recently, including MATH

simoncozens commented 3 years ago

Yes, this irrelevant now I am working from a clean slate.