From 568f6a426833dc8b039d9d6bf73a8afefeefc8a3 Mon Sep 17 00:00:00 2001
From: Just van Rossum <justvanrossum@gmail.com>
Date: Mon, 15 Jul 2024 16:03:32 +0200
Subject: [PATCH 1/3] Extend the axis range on either side to make it
 symmetrical for normalization purposes

---
 src/fontra_compile/builder.py | 25 +++++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/src/fontra_compile/builder.py b/src/fontra_compile/builder.py
index 67a9202..a45aa52 100644
--- a/src/fontra_compile/builder.py
+++ b/src/fontra_compile/builder.py
@@ -834,8 +834,29 @@ def applyAxisMapToAxisValues(axis) -> tuple[float, float, float]:
     return (minValue, defaultValue, maxValue)
 
 
-def axisTuple(axis) -> tuple[float, float, float]:
-    return (axis.minValue, axis.defaultValue, axis.maxValue)
+def axisTuple(axis, fixAsymmetricAxes=True) -> tuple[float, float, float]:
+    minValue, defaultValue, maxValue = axis.minValue, axis.defaultValue, axis.maxValue
+    if fixAsymmetricAxes and minValue < defaultValue < maxValue:
+        # Variable component axis values can interpolate across the "default" border.
+        # For example if an axis goes from 0 to 1000 with the default at 200, a variable
+        # component may interpolate this from 100 to 600. In the VARC table, all axis
+        # values will be normalized to (-1, 0, +1). So 100 would normalize to -0.5 and 600
+        # would normalize to +0.5. But this means that interpolation does not work the
+        # same in the normalized space. For example, the midpoint between -0.5 and +0.5
+        # is 0, but the midpoint between 100 and 600 is 350, which would normalize to
+        # 0.1875. This is obviously a problem.
+        # To work around it, we extend either side of the axis so the distance between
+        # minValue and defaultValue becomes the same as the distance between defaultValue
+        # and maxValue.
+        # The downside if this approach is that axis values will no longer be clipped to
+        # their original minimum or maximum, so we may create new edge cases here.
+        minDiff = defaultValue - minValue
+        maxDiff = maxValue - defaultValue
+        if minDiff > maxDiff:
+            maxValue = defaultValue + minDiff
+        elif minDiff < maxDiff:
+            minValue = defaultValue - maxDiff
+    return minValue, defaultValue, maxValue
 
 
 def newAxisDescriptor(

From bdeda59e945d5e7063d2cfb187054dc82f5065a4 Mon Sep 17 00:00:00 2001
From: Just van Rossum <justvanrossum@gmail.com>
Date: Mon, 15 Jul 2024 16:03:46 +0200
Subject: [PATCH 2/3] Adjust test data

---
 tests/data/notosanscjksc.otf.ttx | 268 ++++++++++++++++++++++++-------
 1 file changed, 206 insertions(+), 62 deletions(-)

diff --git a/tests/data/notosanscjksc.otf.ttx b/tests/data/notosanscjksc.otf.ttx
index 4c077a2..509535c 100644
--- a/tests/data/notosanscjksc.otf.ttx
+++ b/tests/data/notosanscjksc.otf.ttx
@@ -21,12 +21,12 @@
     <!-- Most of this table will be recalculated by the compiler -->
     <tableVersion value="1.0"/>
     <fontRevision value="1.0"/>
-    <checkSumAdjustment value="0x37334ca6"/>
+    <checkSumAdjustment value="0x7d2263a6"/>
     <magicNumber value="0x5f0f3cf5"/>
     <flags value="00000000 00000011"/>
     <unitsPerEm value="1000"/>
-    <created value="Mon Jul 15 08:25:46 2024"/>
-    <modified value="Mon Jul 15 08:25:46 2024"/>
+    <created value="Mon Jul 15 13:01:57 2024"/>
+    <modified value="Mon Jul 15 13:01:57 2024"/>
     <xMin value="0"/>
     <yMin value="-120"/>
     <xMax value="1000"/>
@@ -539,7 +539,7 @@
         <Format value="1"/>
         <VarRegionList>
           <!-- RegionAxisCount=14 -->
-          <!-- RegionCount=43 -->
+          <!-- RegionCount=45 -->
           <Region index="0">
             <VarRegionAxis index="0">
               <StartCoord value="0.0"/>
@@ -2053,6 +2053,78 @@
             </VarRegionAxis>
           </Region>
           <Region index="21">
+            <VarRegionAxis index="0">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.0"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+            <VarRegionAxis index="1">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.0"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+            <VarRegionAxis index="2">
+              <StartCoord value="-0.99"/>
+              <PeakCoord value="-0.99"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+            <VarRegionAxis index="3">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.0"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+            <VarRegionAxis index="4">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.0"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+            <VarRegionAxis index="5">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.0"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+            <VarRegionAxis index="6">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.0"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+            <VarRegionAxis index="7">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.0"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+            <VarRegionAxis index="8">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.0"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+            <VarRegionAxis index="9">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.0"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+            <VarRegionAxis index="10">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.0"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+            <VarRegionAxis index="11">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.0"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+            <VarRegionAxis index="12">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.0"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+            <VarRegionAxis index="13">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.0"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+          </Region>
+          <Region index="22">
             <VarRegionAxis index="0">
               <StartCoord value="0.0"/>
               <PeakCoord value="0.0"/>
@@ -2124,7 +2196,7 @@
               <EndCoord value="0.0"/>
             </VarRegionAxis>
           </Region>
-          <Region index="22">
+          <Region index="23">
             <VarRegionAxis index="0">
               <StartCoord value="0.0"/>
               <PeakCoord value="0.0"/>
@@ -2196,7 +2268,7 @@
               <EndCoord value="0.0"/>
             </VarRegionAxis>
           </Region>
-          <Region index="23">
+          <Region index="24">
             <VarRegionAxis index="0">
               <StartCoord value="0.0"/>
               <PeakCoord value="0.0"/>
@@ -2268,7 +2340,7 @@
               <EndCoord value="0.0"/>
             </VarRegionAxis>
           </Region>
-          <Region index="24">
+          <Region index="25">
             <VarRegionAxis index="0">
               <StartCoord value="0.0"/>
               <PeakCoord value="0.0"/>
@@ -2340,7 +2412,7 @@
               <EndCoord value="0.0"/>
             </VarRegionAxis>
           </Region>
-          <Region index="25">
+          <Region index="26">
             <VarRegionAxis index="0">
               <StartCoord value="0.0"/>
               <PeakCoord value="0.0"/>
@@ -2412,7 +2484,7 @@
               <EndCoord value="0.0"/>
             </VarRegionAxis>
           </Region>
-          <Region index="26">
+          <Region index="27">
             <VarRegionAxis index="0">
               <StartCoord value="0.0"/>
               <PeakCoord value="0.0"/>
@@ -2484,7 +2556,7 @@
               <EndCoord value="0.0"/>
             </VarRegionAxis>
           </Region>
-          <Region index="27">
+          <Region index="28">
             <VarRegionAxis index="0">
               <StartCoord value="0.0"/>
               <PeakCoord value="0.0"/>
@@ -2556,7 +2628,7 @@
               <EndCoord value="0.0"/>
             </VarRegionAxis>
           </Region>
-          <Region index="28">
+          <Region index="29">
             <VarRegionAxis index="0">
               <StartCoord value="0.0"/>
               <PeakCoord value="0.0"/>
@@ -2628,7 +2700,7 @@
               <EndCoord value="0.0"/>
             </VarRegionAxis>
           </Region>
-          <Region index="29">
+          <Region index="30">
             <VarRegionAxis index="0">
               <StartCoord value="0.0"/>
               <PeakCoord value="0.0"/>
@@ -2700,7 +2772,7 @@
               <EndCoord value="0.0"/>
             </VarRegionAxis>
           </Region>
-          <Region index="30">
+          <Region index="31">
             <VarRegionAxis index="0">
               <StartCoord value="0.0"/>
               <PeakCoord value="0.0"/>
@@ -2772,7 +2844,7 @@
               <EndCoord value="0.0"/>
             </VarRegionAxis>
           </Region>
-          <Region index="31">
+          <Region index="32">
             <VarRegionAxis index="0">
               <StartCoord value="0.0"/>
               <PeakCoord value="0.0"/>
@@ -2844,7 +2916,7 @@
               <EndCoord value="0.0"/>
             </VarRegionAxis>
           </Region>
-          <Region index="32">
+          <Region index="33">
             <VarRegionAxis index="0">
               <StartCoord value="0.0"/>
               <PeakCoord value="0.0"/>
@@ -2916,7 +2988,7 @@
               <EndCoord value="0.0"/>
             </VarRegionAxis>
           </Region>
-          <Region index="33">
+          <Region index="34">
             <VarRegionAxis index="0">
               <StartCoord value="0.0"/>
               <PeakCoord value="1.0"/>
@@ -2988,7 +3060,7 @@
               <EndCoord value="0.0"/>
             </VarRegionAxis>
           </Region>
-          <Region index="34">
+          <Region index="35">
             <VarRegionAxis index="0">
               <StartCoord value="0.0"/>
               <PeakCoord value="1.0"/>
@@ -3060,7 +3132,7 @@
               <EndCoord value="0.0"/>
             </VarRegionAxis>
           </Region>
-          <Region index="35">
+          <Region index="36">
             <VarRegionAxis index="0">
               <StartCoord value="0.0"/>
               <PeakCoord value="1.0"/>
@@ -3132,7 +3204,7 @@
               <EndCoord value="0.0"/>
             </VarRegionAxis>
           </Region>
-          <Region index="36">
+          <Region index="37">
             <VarRegionAxis index="0">
               <StartCoord value="0.0"/>
               <PeakCoord value="0.0"/>
@@ -3204,7 +3276,7 @@
               <EndCoord value="0.0"/>
             </VarRegionAxis>
           </Region>
-          <Region index="37">
+          <Region index="38">
             <VarRegionAxis index="0">
               <StartCoord value="0.0"/>
               <PeakCoord value="0.0"/>
@@ -3276,7 +3348,7 @@
               <EndCoord value="0.0"/>
             </VarRegionAxis>
           </Region>
-          <Region index="38">
+          <Region index="39">
             <VarRegionAxis index="0">
               <StartCoord value="0.0"/>
               <PeakCoord value="0.0"/>
@@ -3348,7 +3420,7 @@
               <EndCoord value="0.0"/>
             </VarRegionAxis>
           </Region>
-          <Region index="39">
+          <Region index="40">
             <VarRegionAxis index="0">
               <StartCoord value="0.0"/>
               <PeakCoord value="0.0"/>
@@ -3420,7 +3492,7 @@
               <EndCoord value="0.0"/>
             </VarRegionAxis>
           </Region>
-          <Region index="40">
+          <Region index="41">
             <VarRegionAxis index="0">
               <StartCoord value="0.0"/>
               <PeakCoord value="0.0"/>
@@ -3492,7 +3564,79 @@
               <EndCoord value="0.0"/>
             </VarRegionAxis>
           </Region>
-          <Region index="41">
+          <Region index="42">
+            <VarRegionAxis index="0">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.0"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+            <VarRegionAxis index="1">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.0"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+            <VarRegionAxis index="2">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.0"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+            <VarRegionAxis index="3">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.0"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+            <VarRegionAxis index="4">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.55554"/>
+              <EndCoord value="0.55554"/>
+            </VarRegionAxis>
+            <VarRegionAxis index="5">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.0"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+            <VarRegionAxis index="6">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.0"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+            <VarRegionAxis index="7">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.0"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+            <VarRegionAxis index="8">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.0"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+            <VarRegionAxis index="9">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.0"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+            <VarRegionAxis index="10">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.0"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+            <VarRegionAxis index="11">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.0"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+            <VarRegionAxis index="12">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.0"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+            <VarRegionAxis index="13">
+              <StartCoord value="0.0"/>
+              <PeakCoord value="0.0"/>
+              <EndCoord value="0.0"/>
+            </VarRegionAxis>
+          </Region>
+          <Region index="43">
             <VarRegionAxis index="0">
               <StartCoord value="0.0"/>
               <PeakCoord value="0.0"/>
@@ -3564,7 +3708,7 @@
               <EndCoord value="0.0"/>
             </VarRegionAxis>
           </Region>
-          <Region index="42">
+          <Region index="44">
             <VarRegionAxis index="0">
               <StartCoord value="0.0"/>
               <PeakCoord value="0.0"/>
@@ -3681,9 +3825,9 @@
           <NumShorts value="0"/>
           <!-- VarRegionCount=4 -->
           <VarRegionIndex index="0" value="3"/>
-          <VarRegionIndex index="1" value="4"/>
-          <VarRegionIndex index="2" value="21"/>
-          <VarRegionIndex index="3" value="22"/>
+          <VarRegionIndex index="1" value="21"/>
+          <VarRegionIndex index="2" value="22"/>
+          <VarRegionIndex index="3" value="23"/>
         </VarData>
         <VarData index="4">
           <!-- ItemCount=0 -->
@@ -3702,22 +3846,22 @@
           <VarRegionIndex index="10" value="15"/>
           <VarRegionIndex index="11" value="16"/>
           <VarRegionIndex index="12" value="17"/>
-          <VarRegionIndex index="13" value="23"/>
+          <VarRegionIndex index="13" value="24"/>
           <VarRegionIndex index="14" value="18"/>
           <VarRegionIndex index="15" value="19"/>
-          <VarRegionIndex index="16" value="24"/>
-          <VarRegionIndex index="17" value="25"/>
-          <VarRegionIndex index="18" value="26"/>
+          <VarRegionIndex index="16" value="25"/>
+          <VarRegionIndex index="17" value="26"/>
+          <VarRegionIndex index="18" value="27"/>
           <VarRegionIndex index="19" value="20"/>
-          <VarRegionIndex index="20" value="27"/>
-          <VarRegionIndex index="21" value="28"/>
-          <VarRegionIndex index="22" value="29"/>
-          <VarRegionIndex index="23" value="30"/>
-          <VarRegionIndex index="24" value="31"/>
-          <VarRegionIndex index="25" value="32"/>
-          <VarRegionIndex index="26" value="33"/>
-          <VarRegionIndex index="27" value="34"/>
-          <VarRegionIndex index="28" value="35"/>
+          <VarRegionIndex index="20" value="28"/>
+          <VarRegionIndex index="21" value="29"/>
+          <VarRegionIndex index="22" value="30"/>
+          <VarRegionIndex index="23" value="31"/>
+          <VarRegionIndex index="24" value="32"/>
+          <VarRegionIndex index="25" value="33"/>
+          <VarRegionIndex index="26" value="34"/>
+          <VarRegionIndex index="27" value="35"/>
+          <VarRegionIndex index="28" value="36"/>
         </VarData>
         <VarData index="5">
           <!-- ItemCount=0 -->
@@ -3725,7 +3869,7 @@
           <!-- VarRegionCount=11 -->
           <VarRegionIndex index="0" value="0"/>
           <VarRegionIndex index="1" value="4"/>
-          <VarRegionIndex index="2" value="22"/>
+          <VarRegionIndex index="2" value="23"/>
           <VarRegionIndex index="3" value="7"/>
           <VarRegionIndex index="4" value="8"/>
           <VarRegionIndex index="5" value="9"/>
@@ -3733,7 +3877,7 @@
           <VarRegionIndex index="7" value="11"/>
           <VarRegionIndex index="8" value="12"/>
           <VarRegionIndex index="9" value="13"/>
-          <VarRegionIndex index="10" value="36"/>
+          <VarRegionIndex index="10" value="37"/>
         </VarData>
         <VarData index="6">
           <!-- ItemCount=0 -->
@@ -3741,9 +3885,9 @@
           <!-- VarRegionCount=17 -->
           <VarRegionIndex index="0" value="3"/>
           <VarRegionIndex index="1" value="4"/>
-          <VarRegionIndex index="2" value="21"/>
+          <VarRegionIndex index="2" value="22"/>
           <VarRegionIndex index="3" value="5"/>
-          <VarRegionIndex index="4" value="22"/>
+          <VarRegionIndex index="4" value="23"/>
           <VarRegionIndex index="5" value="6"/>
           <VarRegionIndex index="6" value="7"/>
           <VarRegionIndex index="7" value="8"/>
@@ -3752,10 +3896,10 @@
           <VarRegionIndex index="10" value="12"/>
           <VarRegionIndex index="11" value="15"/>
           <VarRegionIndex index="12" value="17"/>
-          <VarRegionIndex index="13" value="37"/>
-          <VarRegionIndex index="14" value="38"/>
-          <VarRegionIndex index="15" value="39"/>
-          <VarRegionIndex index="16" value="40"/>
+          <VarRegionIndex index="13" value="38"/>
+          <VarRegionIndex index="14" value="39"/>
+          <VarRegionIndex index="15" value="40"/>
+          <VarRegionIndex index="16" value="41"/>
         </VarData>
         <VarData index="7">
           <!-- ItemCount=0 -->
@@ -3765,15 +3909,15 @@
           <VarRegionIndex index="1" value="4"/>
           <VarRegionIndex index="2" value="5"/>
           <VarRegionIndex index="3" value="6"/>
-          <VarRegionIndex index="4" value="7"/>
+          <VarRegionIndex index="4" value="42"/>
           <VarRegionIndex index="5" value="8"/>
           <VarRegionIndex index="6" value="10"/>
           <VarRegionIndex index="7" value="11"/>
           <VarRegionIndex index="8" value="13"/>
           <VarRegionIndex index="9" value="15"/>
           <VarRegionIndex index="10" value="16"/>
-          <VarRegionIndex index="11" value="37"/>
-          <VarRegionIndex index="12" value="38"/>
+          <VarRegionIndex index="11" value="38"/>
+          <VarRegionIndex index="12" value="39"/>
         </VarData>
         <VarData index="8">
           <!-- ItemCount=0 -->
@@ -3783,17 +3927,17 @@
           <VarRegionIndex index="1" value="4"/>
           <VarRegionIndex index="2" value="5"/>
           <VarRegionIndex index="3" value="6"/>
-          <VarRegionIndex index="4" value="7"/>
+          <VarRegionIndex index="4" value="42"/>
           <VarRegionIndex index="5" value="8"/>
           <VarRegionIndex index="6" value="10"/>
           <VarRegionIndex index="7" value="11"/>
           <VarRegionIndex index="8" value="13"/>
           <VarRegionIndex index="9" value="15"/>
           <VarRegionIndex index="10" value="17"/>
-          <VarRegionIndex index="11" value="38"/>
-          <VarRegionIndex index="12" value="39"/>
-          <VarRegionIndex index="13" value="41"/>
-          <VarRegionIndex index="14" value="42"/>
+          <VarRegionIndex index="11" value="39"/>
+          <VarRegionIndex index="12" value="40"/>
+          <VarRegionIndex index="13" value="43"/>
+          <VarRegionIndex index="14" value="44"/>
         </VarData>
         <VarData index="9">
           <!-- ItemCount=0 -->
@@ -3928,8 +4072,8 @@
           <SparseVarRegionAxis index="0">
             <AxisIndex value="4"/>
             <StartCoord value="0.0"/>
-            <PeakCoord value="1.0"/>
-            <EndCoord value="1.0"/>
+            <PeakCoord value="0.55554"/>
+            <EndCoord value="0.55554"/>
           </SparseVarRegionAxis>
         </Region>
         <Region index="8">
@@ -4072,7 +4216,7 @@
         <Item index="0" value="[0, 0, -940, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]"/>
         <Item index="1" value="[16384, 1638, 1638, 1638, 1638, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -16384, 0, 0, 0, 0, 0, 0, 0, -16384, 0, 0, 0, 0, -14746, -14746, 0, 0, 0, 0, 0, 0, 0, 8192, 8192, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16384, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16384, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -14746, 0, 0, 0, 0, 0, 0, 0, 0, 16384, 0, 0, 0, 0, 0]"/>
         <Item index="2" value="[-70, 0, -470, 45, -25, 25, -100, 100, 0, 0, 0, 0, 0]"/>
-        <Item index="3" value="[12073, 0, 0, -15557, 0, 0, -12778, 0, 4312, 0, -6820, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -3310, 0, 0, 0, 0]"/>
+        <Item index="3" value="[12073, 0, 0, -15557, 0, 0, -7761, 0, 4312, 0, -4311, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -3310, 0, 0, 0, 0]"/>
       </MultiVarData>
       <MultiVarData index="2" Format="1">
         <Format value="1"/>
@@ -4095,9 +4239,9 @@
         <Item index="0" value="[0, 0, -940, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]"/>
         <Item index="1" value="[16384, 1638, 1638, 1638, 1638, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -16384, 0, 0, 0, 0, 0, 0, 0, -16384, 0, 0, 0, 0, -14746, -14746, 0, 0, 0, 0, 0, 0, 0, 8192, 8192, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16384, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16384, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -8192, 0, 0, 0, 0, 0]"/>
         <Item index="2" value="[-70, 0, -470, 45, -25, 25, -100, 100, 0, 0, 0, 0, 0, 0, 0]"/>
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+        <Item index="3" value="[12073, 0, 0, -15557, 0, 0, -7761, 0, 4312, 0, -4311, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]"/>
         <Item index="4" value="[-70, 0, -470, 0, 0, -940, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1000, 0, 0, -100, 0, 25, 0, 0, 0]"/>
-        <Item index="5" value="[12073, 0, 0, 0, 0, -15557, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16384, 0, 16384, 0, 0, -6820, 0, 0, 0]"/>
+        <Item index="5" value="[12073, 0, 0, 0, 0, -15401, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16384, 0, 16384, 0, 0, -4311, 0, 0, 0]"/>
       </MultiVarData>
       <MultiVarData index="3" Format="1">
         <Format value="1"/>

From eb92500ad610af8cdf6050f99186933a517a1e45 Mon Sep 17 00:00:00 2001
From: Just van Rossum <justvanrossum@gmail.com>
Date: Mon, 15 Jul 2024 16:44:40 +0200
Subject: [PATCH 3/3] Fix typo

---
 src/fontra_compile/builder.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/fontra_compile/builder.py b/src/fontra_compile/builder.py
index a45aa52..99a61f5 100644
--- a/src/fontra_compile/builder.py
+++ b/src/fontra_compile/builder.py
@@ -848,7 +848,7 @@ def axisTuple(axis, fixAsymmetricAxes=True) -> tuple[float, float, float]:
         # To work around it, we extend either side of the axis so the distance between
         # minValue and defaultValue becomes the same as the distance between defaultValue
         # and maxValue.
-        # The downside if this approach is that axis values will no longer be clipped to
+        # The downside of this approach is that axis values will no longer be clipped to
         # their original minimum or maximum, so we may create new edge cases here.
         minDiff = defaultValue - minValue
         maxDiff = maxValue - defaultValue