Improvements to fractions

- Fixes design and positioning of: /plus /minus /equals /parenleft /parentright {.dnom,.numr}
- Adds /comma /period {.dnom,.numr} including variants for .ss03 and ss07
- Kerning for /comma & /period

Closes #671

src/Inter-Italic.glyphspackage/glyphs/comma.dnom.glyph

@@ -0,0 +1,82 @@
+{
+glyphname = comma.dnom;
+kernLeft = period.dnom;
+kernRight = period.dnom;
+layers = (
+{
+layerId = "200BE2C5-40F6-4CF4-AF4F-A33C0CC0964F";
+metricLeft = "=-40";
+metricRight = "=-40";
+name = ital_gen;
+shapes = (
+{
+pos = (-40,0);
+ref = comma;
+}
+);
+width = 474;
+},
+{
+layerId = m012;
+metricLeft = "=-60";
+metricRight = "=-50";
+name = ital_gen;
+shapes = (
+{
+pos = (-60,0);
+ref = comma;
+}
+);
+width = 290;
+},
+{
+layerId = "11F4534A-B963-4AB5-820F-DAF9A20CD933";
+name = ital_gen;
+shapes = (
+{
+ref = comma;
+scale = (0.8,0.8);
+}
+);
+width = 472;
+},
+{
+layerId = m008;
+metricLeft = "=-30";
+metricRight = "=-30";
+name = ital_gen;
+shapes = (
+{
+pos = (-30,0);
+ref = comma;
+scale = (0.9,0.8);
+}
+);
+width = 345;
+},
+{
+layerId = "D0EC06BF-13F9-4C88-A6F5-B8203AF6C77E";
+name = ital_gen;
+shapes = (
+{
+ref = comma;
+scale = (0.8,0.8);
+}
+);
+width = 611;
+},
+{
+layerId = m010;
+metricLeft = "=-10";
+name = ital_gen;
+shapes = (
+{
+pos = (-10,0);
+ref = comma;
+scale = (0.7,0.7);
+}
+);
+width = 371;
+}
+);
+}

src/Inter-Italic.glyphspackage/glyphs/comma.dnom.ss03.glyph

@@ -0,0 +1,82 @@
+{
+glyphname = comma.dnom.ss03;
+kernLeft = period.dnom;
+kernRight = period.dnom;
+layers = (
+{
+layerId = "200BE2C5-40F6-4CF4-AF4F-A33C0CC0964F";
+metricLeft = "=-40";
+metricRight = "=-40";
+name = ital_gen;
+shapes = (
+{
+pos = (-40,0);
+ref = comma.ss03;
+}
+);
+width = 474;
+},
+{
+layerId = m012;
+metricLeft = "=-50";
+metricRight = "=-50";
+name = ital_gen;
+shapes = (
+{
+pos = (-50,0);
+ref = comma.ss03;
+}
+);
+width = 300;
+},
+{
+layerId = "11F4534A-B963-4AB5-820F-DAF9A20CD933";
+name = ital_gen;
+shapes = (
+{
+ref = comma.ss03;
+scale = (0.8,0.8);
+}
+);
+width = 472;
+},
+{
+layerId = m008;
+metricLeft = "=-20";
+metricRight = "=-20";
+name = ital_gen;
+shapes = (
+{
+pos = (-20,0);
+ref = comma.ss03;
+scale = (0.9,0.8);
+}
+);
+width = 365;
+},
+{
+layerId = "D0EC06BF-13F9-4C88-A6F5-B8203AF6C77E";
+name = ital_gen;
+shapes = (
+{
+ref = comma.ss03;
+scale = (0.8,0.8);
+}
+);
+width = 611;
+},
+{
+layerId = m010;
+metricLeft = "=-10";
+name = ital_gen;
+shapes = (
+{
+pos = (-10,0);
+ref = comma.ss03;
+scale = (0.7,0.7);
+}
+);
+width = 371;
+}
+);
+}

src/Inter-Italic.glyphspackage/glyphs/comma.dnom.ss07.glyph

@@ -0,0 +1,80 @@
+{
+glyphname = comma.dnom.ss07;
+layers = (
+{
+layerId = "200BE2C5-40F6-4CF4-AF4F-A33C0CC0964F";
+metricLeft = "=-40";
+metricRight = "=-40";
+name = ital_gen;
+shapes = (
+{
+pos = (-40,0);
+ref = comma.ss07;
+}
+);
+width = 475;
+},
+{
+layerId = m012;
+metricLeft = "=-40";
+metricRight = "=-40";
+name = ital_gen;
+shapes = (
+{
+pos = (-40,0);
+ref = comma.ss07;
+}
+);
+width = 320;
+},
+{
+layerId = "11F4534A-B963-4AB5-820F-DAF9A20CD933";
+name = ital_gen;
+shapes = (
+{
+ref = comma.ss07;
+scale = (0.8,0.8);
+}
+);
+width = 472;
+},
+{
+layerId = m008;
+metricLeft = "=-10";
+metricRight = "=-10";
+name = ital_gen;
+shapes = (
+{
+pos = (-11,-8);
+ref = comma.ss07;
+scale = (0.9,0.8);
+}
+);
+width = 385;
+},
+{
+layerId = "D0EC06BF-13F9-4C88-A6F5-B8203AF6C77E";
+name = ital_gen;
+shapes = (
+{
+ref = comma.ss07;
+scale = (0.8,0.8);
+}
+);
+width = 612;
+},
+{
+layerId = m010;
+metricLeft = "=-10";
+name = ital_gen;
+shapes = (
+{
+pos = (-10,0);
+ref = comma.ss07;
+scale = (0.6,0.6);
+}
+);
+width = 316;
+}
+);
+}

src/Inter-Italic.glyphspackage/glyphs/comma.numr.glyph

@@ -0,0 +1,84 @@
+{
+glyphname = comma.numr;
+kernLeft = period.numr;
+kernRight = period.numr;
+layers = (
+{
+layerId = "200BE2C5-40F6-4CF4-AF4F-A33C0CC0964F";
+metricLeft = "=-40";
+metricRight = "=-40";
+name = ital_gen;
+shapes = (
+{
+pos = (76,701);
+ref = comma;
+}
+);
+width = 474;
+},
+{
+layerId = m012;
+metricLeft = "=-60";
+metricRight = "=-50";
+name = ital_gen;
+shapes = (
+{
+pos = (56,703);
+ref = comma;
+}
+);
+width = 290;
+},
+{
+layerId = "11F4534A-B963-4AB5-820F-DAF9A20CD933";
+name = ital_gen;
+shapes = (
+{
+pos = (113,682);
+ref = comma;
+scale = (0.8,0.8);
+}
+);
+width = 471;
+},
+{
+layerId = m008;
+metricLeft = "=-30";
+metricRight = "=-30";
+name = ital_gen;
+shapes = (
+{
+pos = (79,657);
+ref = comma;
+scale = (0.9,0.8);
+}
+);
+width = 345;
+},
+{
+layerId = "D0EC06BF-13F9-4C88-A6F5-B8203AF6C77E";
+name = ital_gen;
+shapes = (
+{
+pos = (110,664);
+ref = comma;
+scale = (0.8,0.8);
+}
+);
+width = 611;
+},
+{
+layerId = m010;
+metricLeft = "=-10";
+name = ital_gen;
+shapes = (
+{
+pos = (99,658);
+ref = comma;
+scale = (0.7,0.7);
+}
+);
+width = 371;
+}
+);
+}