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Add earless m/n variants with motion serifs. (#1975)

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John McWilliams 2023-09-01 21:05:33 -04:00 • committed by GitHub
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4 changed files with 30 additions and 7 deletions
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1
changes/26.3.0.md
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@ -1,3 +1,4 @@
* Add earless variants for `m` and `n` with motion serifs at bottom-right (#1974).
* Add characters:
- COMBINING LONG VERTICAL LINE OVERLAY (`U+20D2`).
- COMBINING SHORT VERTICAL LINE OVERLAY (`U+20D3`).

1
font-src/glyphs/letter/latin/lower-m.ptl
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@ -186,6 +186,7 @@ glyph-block Letter-Latin-Lower-M : begin
"serifless" { no-shape }
"serifed" { FullSerifs }
"topLeftSerifed" { LtSerifs }
"bottomRightSerifed" { RbSerifs }
"topLeftAndBottomRightSerifed" { LtRbSerifs }
foreach { suffix { {Body earless} {shortLeg} {tailed} {Serifs} } } [pairs-of SmallMConfig] : do

8
font-src/glyphs/letter/latin/lower-n.ptl
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@ -77,7 +77,13 @@ glyph-block Letter-Latin-Lower-N : begin
function [body tail] : object # serifs
serifless { nothing nothing nothing }
topLeftSerifed { NTopLeftSerif nothing nothing }
motionSerifed { NTopLeftSerif nothing [if (tail != 'tailed') NBottomRightSerifItalic] }
motionSerifed : list
match body
([Just "earlessCorner"] || [Just "earlessRounded"]) nothing
([Just "earlessCornerHTB"] || [Just "earlessRoundedHTB"]) NHTB
__ NTopLeftSerif
begin nothing
if (tail != 'tailed') NBottomRightSerifItalic
serifed : list
match body
([Just "earlessCorner"] || [Just "earlessRounded"]) nothing

27
params/variants.toml
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@ -2804,6 +2804,18 @@ selectorAffix."cyrl/te.italic/descBase" = "topLeftSerifed"
selectorAffix."cyrl/tjeKomi.italic" = "topLeftSerifed"
selectorAffix.meng = "topLeftSerifed"
[prime.m.variants-buildup.stages.serifs.bottom-right-serifed]
rank = 3
descriptionAffix = "serifs at bottom right"
disableIf = [ { body = "eared" }, { tail = "tailed" } ]
selectorAffix.m = "bottomRightSerifed"
selectorAffix."m/descBase" = "serifless"
selectorAffix."m/sansSerif" = "serifless"
selectorAffix."cyrl/te.italic" = "topLeftAndBottomRightSerifed"
selectorAffix."cyrl/te.italic/descBase" = "topLeftSerifed"
selectorAffix."cyrl/tjeKomi.italic" = "topLeftSerifed"
selectorAffix.meng = "serifless"
[prime.m.variants-buildup.stages.serifs.serifed]
rank = 4
descriptionAffix = "serifs"
@ -2934,14 +2946,14 @@ selectorAffix."cyrl/peItalicDescBase" = "motionSerifed"
[prime.n.variants-buildup.stages.serifs.motion-serifed]
rank = 3
descriptionAffix = "serif at top left and bottom right"
enableIf = [ { body = "normal" } ]
disableIf = [ { body = "NOT normal", terminal = "tailed" } ]
selectorAffix.n = "motionSerifed"
selectorAffix."n/sansSerif" = "serifless"
selectorAffix."n/descBase" = "topLeftSerifed"
selectorAffix."n/lTailBase" = { if = [{ terminal = "straight" }], then = "motionSerifed", else = { if = [{ body = "normal" }], then = "topLeftSerifed", else = "serifless" } }
selectorAffix.eng = "topLeftSerifed"
selectorAffix."eng/phoneticRight" = "topLeftSerifed"
selectorAffix."grek/eta" = "topLeftSerifed"
selectorAffix."n/descBase" = { if = [{ body = "normal" }], then = "topLeftSerifed", else = "serifless" }
selectorAffix."n/lTailBase" = "motionSerifed"
selectorAffix.eng = { if = [{ body = "normal" }], then = "topLeftSerifed", else = "serifless" }
selectorAffix."eng/phoneticRight" = { if = [{ body = "normal" }], then = "topLeftSerifed", else = "serifless" }
selectorAffix."grek/eta" = { if = [{ body = "normal" }], then = "topLeftSerifed", else = "serifless" }
selectorAffix."grek/eta/sansSerif" = "serifless"
selectorAffix."cyrl/pe.italic" = "motionSerifed"
selectorAffix."cyrl/peItalicDescBase" = "motionSerifed"
@ -7971,6 +7983,9 @@ micro-sign = "toothless-corner-serifed"
[composite.ss12.slab-override.italic]
d = "tailed-serifed"
k = "symmetric-touching-top-left-serifed"
m = "earless-corner-double-arch-short-leg-bottom-right-serifed"
n = "earless-corner-straight-motion-serifed"
r = "earless-corner-serifless"
u = "tailed-motion-serifed"
x = "straight-motion-serifed"
y = "straight-turn-motion-serifed"