Fixes broken italic (oblique) styles. The issue was that component decomposition did not happen in the correct order for some glyphs

misc/pylib/fontbuild/Build.py

@@ -98,15 +98,13 @@ class FontProject:
             log(">> Italicizing")
             i = 0
             for g in f:
-                i += 1
-                if i % 10 == 0: print g.name
-
-                if g.name == "uniFFFD":
-                    continue
-
                 decomposeGlyph(f, g)
                 removeGlyphOverlap(g)
 
+            for g in f:
+                i += 1
+                if i % 10 == 0: print g.name
+
                 if g.name in self.lessItalic:
                     italicizeGlyph(f, g, 9, stemWidth=stemWidth,
                                    meanYCenter=italicMeanYCenter,
@@ -162,6 +160,7 @@ class FontProject:
             'version':      getcfg('version'),
             'license':      getcfg('license'),
             'licenseURL':   getcfg('licenseURL'),
+            'italicAngle':  float(getcfg('italicAngle', '-12')),
         })
 
         if not self.compatible:

misc/pylib/fontbuild/instanceNames.py

@@ -31,7 +31,8 @@ class InstanceNames:
     designerURL = ""
     license = ""
     licenseURL = ""
-    
+    italicAngle = -12
+
     def __init__(self,names):
         if type(names) == type(" "):
             names = names.split("/")
@@ -90,7 +91,7 @@ class InstanceNames:
         f.info.macintoshFONDName = re.sub(' ','',self.longfamily) + " " + re.sub(' ','',self.longstyle)
         f.info.postscriptFontName = f.info.macintoshFONDName.replace(" ", "-")
         if self.italic:
-            f.info.italicAngle = -12.0
+            f.info.italicAngle = self.italicAngle
         
     
     def setFLNames(self,flFont):

src/fontbuild.cfg

@@ -8,6 +8,7 @@ copyrightholdername: The Interface project authors
 builddir: build/tmp
 license: OFL 1.1 (SIL Open Font License, Version 1.1)
 licenseURL: http://scripts.sil.org/OFL
+italicAngle: -9.4
 
 [res]
 
@@ -62,7 +63,8 @@ lessitalic: dagger daggerdbl plusminus dollar florin quotesingle quotedbl tilde
 	acute grave dieresis macron breve bar sum integral product s e c o v x V X W
 	copyright registered ogonek two six nine seven three five uni0431
 
-noitalic: .notdef uni02E9_uni02E7_uni02E6 uni02E5_uni02E7_uni02E8 uni02E5_uni02E7_uni02E9
+noitalic: .notdef uniFFFD
+  uni02E9_uni02E7_uni02E6 uni02E5_uni02E7_uni02E8 uni02E5_uni02E7_uni02E9
 	uni02E9_uni02E5_uni02E5 uni02E5_uni02E7_uni02E6 uni02E5_uni02E7_uni02E7
 	uni02E5_uni02E7_uni02E5 uni02E5_uni02E9_uni02E8 uni02E9_uni02E7_uni02E5
 	uni02E6_uni02E9_uni02E7 uni02E6_uni02E9_uni02E6 uni02E6_uni02E9_uni02E5