Merge pull request #137 from jamesgk/ttf-generation

TTF generation

6 files changed, 99 insertions, 389 deletions

diff --git a/README.md b/README.md
index 039db7e..08681f6 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,8 @@ cd $HOME/roboto-src
 ```bash
 git clone https://github.com/google/roboto.git
 git clone https://github.com/behdad/fonttools.git
+git clone https://github.com/googlei18n/cu2qu.git
+git clone https://github.com/jamesgk/ufo2ft.git
 git clone https://github.com/robofab-developers/robofab.git
 git clone https://github.com/typesupply/feaTools.git
 git clone https://github.com/typemytype/booleanOperations.git
@@ -39,11 +41,7 @@ via:
 sudo apt-get install cython
 ```
 
-##### For OTF generation:
-
-```bash
-git clone https://github.com/typesupply/ufo2fdk.git
-```
+##### For OTF/TTF generation:
 
 To build the FDK yourself:
 
@@ -59,12 +57,6 @@ If you're not building the FDK yourself, download the pre-built version
 [here](http://www.adobe.com/devnet/opentype/afdko.html) and unzip it into the
 current directory.
 
-##### For TTF generation, on Ubuntu:
-
-```bash
-sudo apt-get install fontforge python-fontforge
-```
-
 ##### For post-production:
 
 ```bash
@@ -85,6 +77,10 @@ You can install the necessary modules at the sytem level:
 ```bash
 cd fonttools
 sudo python setup.py install
+cd ../cu2qu
+sudo python setup.py install
+cd ../ufo2ft
+sudo python setup.py install
 cd ../robofab
 sudo python setup.py install
 cd ../feaTools
@@ -100,6 +96,8 @@ Or set `$PYTHONPATH` locally before running `make`:
 
 ```bash
 PYTHONPATH="$PYTHONPATH:$HOME/roboto-src/fonttools/Lib"
+PYTHONPATH="$PYTHONPATH:$HOME/roboto-src/cu2qu/Lib"
+PYTHONPATH="$PYTHONPATH:$HOME/roboto-src/ufo2ft/Lib"
 PYTHONPATH="$PYTHONPATH:$HOME/roboto-src/robofab/Lib"
 PYTHONPATH="$PYTHONPATH:$HOME/roboto-src/feaTools/Lib"
 PYTHONPATH="$PYTHONPATH:$HOME/roboto-src/booleanOperations/Lib"
@@ -107,18 +105,6 @@ PYTHONPATH="$PYTHONPATH:$HOME/roboto-src/booleanOperations/Lib"
 
 ##### For OTF generation:
 
-```bash
-cd ufo2fdk
-sudo python setup.py install
-cd ..
-```
-
-Or:
-
-```bash
-PYTHONPATH="$PYTHONPATH:$HOME/roboto-src/ufo2fdk/Lib"
-```
-
 If building the FDK yourself, follow the instructions in `afdko/FDK/FDK Build Notes.txt`:
 
 ```bash
@@ -201,10 +187,11 @@ The Roboto build toolchain depends on:
   glyph overlap removal.
   - (requires Cython to install: http://cython.org/)
 
-## OTF Generation
+## OTF/TTF Generation
 OTF generation depends on:
 
-- ufo2fdk (https://github.com/typesupply/ufo2fdk)
+- ufo2ft (https://github.com/jamesgk/ufo2ft)
+- cu2qu (https://github.com/googlei18n/cu2qu)
 - Open-source portions of the AFDKO
   (https://github.com/adobe-type-tools/afdko/releases)
 
@@ -213,14 +200,6 @@ the variety which includes closed-source tools
 (http://www.adobe.com/devnet/opentype/afdko.html), though these closed-source
 portions are not used to build Roboto.
 
-## TTF Generation
-TTF generation depends on:
-
-- FontForge (https://github.com/fontforge/fontforge)
-
-Whose Python interface should be available on Ubuntu by default via `apt-get
-install fontforge python-fontforge`.
-
 ## Post-Production
 Post-production scripts (most of the code outside of the `fontbuild` directory,
 e.g. for testing output) depend on:
diff --git a/scripts/build-v2.py b/scripts/build-v2.py
index 58842d6..0ef86e9 100644
--- a/scripts/build-v2.py
+++ b/scripts/build-v2.py
@@ -91,8 +91,7 @@ proj = FontProject(rg.font, BASEDIR, "res/roboto.cfg", th.ffont)
 FAMILYNAME = "Roboto"
 
 proj.buildOTF = True
-#proj.autohintOTF = True
-proj.buildTTF = True
+#proj.compatible = True
 
 proj.generateFont(th.font, "%s/Thin/Regular/Th"%FAMILYNAME)
 proj.generateFont(Mix([th, rg], 0.45), "%s/Light/Regular/Lt"%FAMILYNAME)
@@ -119,6 +118,10 @@ proj.generateFont(Mix([rg, bd], RPoint(1.125, 1.0)),
                   "%s/Black Italic/Bold Italic/Bk"%FAMILYNAME,
                   italic=True, stemWidth=290)
 
+# unfortunately some condensed forms (*.cn) of glyphs are not compatible with
+# their original forms, so we can't convert all fonts together compatibly
+proj.generateTTFs()
+
 thcn1 = Master(condenseFont(th.font, .84, 40))
 cn1 = Master(rg.ffont.addDiff(thcn1.ffont, th.ffont))
 bdcn1 = Master(bd.ffont.addDiff(thcn1.ffont, th.ffont))
@@ -143,4 +146,4 @@ proj.generateFont(Mix([cn1, bdcn1], RPoint(0.75, 0.75)),
                   "%s Condensed/Bold Italic/Bold Italic/Rg"%FAMILYNAME,
                   italic=True, swapSuffixes=[".cn"], stemWidth=240)
 
-sys.exit(0)
+proj.generateTTFs()
diff --git a/scripts/lib/fontbuild/Build.py b/scripts/lib/fontbuild/Build.py
index 5d92705..be0b79c 100644
--- a/scripts/lib/fontbuild/Build.py
+++ b/scripts/lib/fontbuild/Build.py
@@ -13,23 +13,24 @@
 # limitations under the License.
 
 
+import ConfigParser
+import os
+import sys
+
 from booleanOperations import BooleanOperationManager
+from cu2qu.rf import fonts_to_quadratic
+from fontTools.misc.transform import Transform
 from robofab.world import OpenFont
-from fontbuild.mix import Mix,Master,narrowFLGlyph
+from ufo2ft import compileOTF, compileTTF
+
+from fontbuild.decomposeGlyph import decomposeGlyph
+from fontbuild.features import readFeatureFile, writeFeatureFile
+from fontbuild.generateGlyph import generateGlyph
 from fontbuild.instanceNames import setNamesRF
 from fontbuild.italics import italicizeGlyph
-from fontbuild.convertCurves import glyphCurvesToQuadratic
+from fontbuild.markFeature import RobotoFeatureCompiler
 from fontbuild.mitreGlyph import mitreGlyph
-from fontbuild.generateGlyph import generateGlyph
-from fontTools.misc.transform import Transform
-from fontbuild.kerning import makeKernFeature
-from fontbuild.features import readFeatureFile, writeFeatureFile
-from fontbuild.markFeature import GenerateFeature_mark
-from fontbuild.mkmkFeature import GenerateFeature_mkmk
-from fontbuild.decomposeGlyph import decomposeGlyph
-import ConfigParser
-import os
-import sys
+from fontbuild.mix import Mix,Master,narrowFLGlyph
 
 
 class FontProject:
@@ -66,8 +67,8 @@ class FontProject:
         self.buildnumber = self.loadBuildNumber()
         
         self.buildOTF = False
-        self.autohintOTF = False
-        self.buildTTF = False
+        self.compatible = False
+        self.generatedFonts = []
         
         
     def loadBuildNumber(self):
@@ -153,33 +154,49 @@ class FontProject:
 
         setNamesRF(f, n, foundry=self.config.get('main', 'foundry'),
                          version=self.config.get('main', 'version'))
-        cleanCurves(f)
+        if not self.compatible:
+            cleanCurves(f)
         deleteGlyphs(f, self.deleteList)
 
         if kern:
             log(">> Generating kern classes")
             readFeatureFile(f, self.ot_kerningclasses)
-            makeKernFeature(f, self.ot_kerningclasses)
 
         log(">> Generating font files")
-        GenerateFeature_mark(f)
-        GenerateFeature_mkmk(f)
         ufoName = self.generateOutputPath(f, "ufo")
         f.save(ufoName)
+        self.generatedFonts.append(ufoName)
 
         if self.buildOTF:
             log(">> Generating OTF file")
             newFont = OpenFont(ufoName)
             otfName = self.generateOutputPath(f, "otf")
-            builtSuccessfully = saveOTF(newFont, otfName, autohint=self.autohintOTF)
-            if not builtSuccessfully:
-                sys.exit(1)
+            saveOTF(newFont, otfName)
+
+    def generateTTFs(self):
+        """Build TTF for each font generated since last call to generateTTFs."""
 
-            if self.buildTTF:
-                log(">> Generating TTF file")
-                import fontforge
-                otFont = fontforge.open(otfName)
-                otFont.generate(self.generateOutputPath(f, "ttf"))
+        fonts = [OpenFont(ufo) for ufo in self.generatedFonts]
+        self.generatedFonts = []
+
+        log(">> Converting curves to quadratic")
+        # using a slightly higher max error (e.g. 0.0025 em), dots will have
+        # fewer control points and look noticeably different
+        max_err = 0.002
+        if self.compatible:
+            fonts_to_quadratic(*fonts, max_err_em=max_err, dump_report=True)
+        else:
+            for font in fonts:
+                fonts_to_quadratic(font, max_err_em=max_err, dump_report=True)
+
+        log(">> Generating TTF files")
+        for font in fonts:
+            ttfName = self.generateOutputPath(font, "ttf")
+            log(os.path.basename(ttfName))
+            for glyph in font:
+                for contour in glyph:
+                    contour.reverseContour()
+            saveOTF(font, ttfName, truetype=True)
 
 
 def transformGlyphMembers(g, m):
@@ -264,30 +281,12 @@ def removeGlyphOverlap(glyph):
     manager.union(contours, glyph.getPointPen())
 
 
-def saveOTF(font, destFile, autohint=False):
-    """Save a RoboFab font as an OTF binary using ufo2fdk.
-
-    Returns True on success, False otherwise.
-    """
-
-    from ufo2fdk import OTFCompiler
-
-    # glyphs with multiple unicode values must be split up, due to FontTool's
-    # use of a name -> UV dictionary during cmap compilation
-    for glyph in font:
-        if len(glyph.unicodes) > 1:
-            newUV = glyph.unicodes.pop()
-            newGlyph = font.newGlyph("uni%04X" % newUV)
-            newGlyph.appendComponent(glyph.name)
-            newGlyph.unicode = newUV
-            newGlyph.width = glyph.width
-
-    compiler = OTFCompiler()
-    reports = compiler.compile(font, destFile, autohint=autohint)
-    if autohint:
-        print reports["autohint"]
-    print reports["makeotf"]
+def saveOTF(font, destFile, truetype=False):
+    """Save a RoboFab font as an OTF binary using ufo2fdk."""
 
-    successMsg = ("makeotfexe [NOTE] Wrote new font file '%s'." %
-                  os.path.basename(destFile))
-    return successMsg in reports["makeotf"]
+    if truetype:
+        compiler = compileTTF
+    else:
+        compiler = compileOTF
+    otf = compiler(font, featureCompilerClass=RobotoFeatureCompiler)
+    otf.save(destFile)
diff --git a/scripts/lib/fontbuild/kerning.py b/scripts/lib/fontbuild/kerning.py
deleted file mode 100644
index c93e303..0000000
--- a/scripts/lib/fontbuild/kerning.py
+++ /dev/null
@@ -1,112 +0,0 @@
-# Copyright 2015 Google Inc. All Rights Reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-from feaTools import parser
-from feaTools.writers.baseWriter import AbstractFeatureWriter
-
-
-class KernFeatureWriter(AbstractFeatureWriter):
-    """Generates a kerning feature based on glyph class definitions.
-
-    Uses the kerning rules contained in an RFont's kerning attribute, as well as
-    glyph classes from parsed OTF text. Class-based rules are set based on the
-    existing rules for their key glyphs.
-    """
-
-    def __init__(self, font):
-        self.kerning = font.kerning
-        self.leftClasses = []
-        self.rightClasses = []
-        self.classSizes = {}
-
-    def write(self, linesep="\n"):
-        """Write kern feature."""
-
-        # maintain collections of different rule types
-        leftClassKerning, rightClassKerning, classPairKerning = {}, {}, {}
-        for leftName, leftContents in self.leftClasses:
-            leftKey = leftContents[0]
-
-            # collect rules with two classes
-            for rightName, rightContents in self.rightClasses:
-                rightKey = rightContents[0]
-                pair = leftKey, rightKey
-                kerningVal = self.kerning[pair]
-                if kerningVal is None:
-                    continue
-                classPairKerning[leftName, rightName] = kerningVal
-                self.kerning.remove(pair)
-
-            # collect rules with left class and right glyph
-            for pair, kerningVal in self.kerning.getLeft(leftKey):
-                leftClassKerning[leftName, pair[1]] = kerningVal
-                self.kerning.remove(pair)
-
-        # collect rules with left glyph and right class
-        for rightName, rightContents in self.rightClasses:
-            rightKey = rightContents[0]
-            for pair, kerningVal in self.kerning.getRight(rightKey):
-                rightClassKerning[pair[0], rightName] = kerningVal
-                self.kerning.remove(pair)
-
-        # write the feature
-        self.ruleCount = 0
-        lines = ["feature kern {"]
-        lines.append(self._writeKerning(self.kerning, linesep))
-        lines.append(self._writeKerning(leftClassKerning, linesep, True))
-        lines.append(self._writeKerning(rightClassKerning, linesep, True))
-        lines.append(self._writeKerning(classPairKerning, linesep))
-        lines.append("} kern;")
-        return linesep.join(lines)
-
-    def _writeKerning(self, kerning, linesep, enum=False):
-        """Write kerning rules for a mapping of pairs to values."""
-
-        lines = []
-        enum = "enum " if enum else ""
-        pairs = kerning.items()
-        pairs.sort()
-        for (left, right), val in pairs:
-            if enum:
-                rulesAdded = (self.classSizes.get(left, 1) *
-                              self.classSizes.get(right, 1))
-            else:
-                rulesAdded = 1
-            self.ruleCount += rulesAdded
-            if self.ruleCount > 1024:
-                lines.append("    subtable;")
-                self.ruleCount = rulesAdded
-            lines.append("    %spos %s %s %d;" % (enum, left, right, val))
-        return linesep.join(lines)
-
-    def classDefinition(self, name, contents):
-        """Store a class definition as either a left- or right-hand class."""
-
-        if not name.startswith("@_"):
-            return
-        info = (name, contents)
-        if name.endswith("_L"):
-            self.leftClasses.append(info)
-        elif name.endswith("_R"):
-            self.rightClasses.append(info)
-        self.classSizes[name] = len(contents)
-
-
-def makeKernFeature(font, text):
-    """Add a kern feature to the font, using a KernFeatureWriter."""
-
-    writer = KernFeatureWriter(font)
-    parser.parseFeatures(writer, text)
-    font.features.text += writer.write()
diff --git a/scripts/lib/fontbuild/markFeature.py b/scripts/lib/fontbuild/markFeature.py
index b617ef6..945cef0 100755
--- a/scripts/lib/fontbuild/markFeature.py
+++ b/scripts/lib/fontbuild/markFeature.py
@@ -13,105 +13,33 @@
 # limitations under the License.

 

 

-from fontbuild.features import updateFeature

-

-

-aliases = [["uni0430", "a"], ["uni0435", "e"], ["uni0440", "p"], ["uni0441", "c"], ["uni0445", "x"], ["uni0455", "s"], ["uni0456", "i"], ["uni0471", "psi"]]

-

-def GetAliaseName(gname):

-	for i in range (len(aliases)):

-		if (gname == aliases[i][1]):

-			return aliases[i][0]

-	return None		

-

-def CreateAccNameList(font, acc_anchor_name, bCombAccentOnly = True):

-	#combrange = range(0x0300,0x0370) + range(0x1AB0,0x1ABF) + range(0x1DC0,0x1DE0)

-	lst = []

-	for g in font:

-		if bCombAccentOnly and g.width != 0: #((g.unicode < 0x0300) or (g.unicode > 0x362)):

-			continue

-		for anchor in g.anchors:

-			if acc_anchor_name == anchor.name:

-				lst.append(g.name)

-	return lst

-

-def CreateAccGlyphList(font, acc_list, acc_anchor_name):

-	g_list = []

-	for g in font:

-		if g.name in acc_list:

-			for anchor in g.anchors:

-				if acc_anchor_name == anchor.name:

-					g_list.append([g.name, anchor.x, anchor.y])

-					break

-	return g_list

-

-

-def CreateGlyphList(font, acc_list, anchor_name):

-	g_list = []

-	for g in font:

-		if g.name in acc_list:

-			continue

-		for anchor in g.anchors:

-			if anchor_name == anchor.name:

-				g_list.append([g.name, anchor.x, anchor.y])

-				break

-	return g_list

-

-def Create_mark_lookup(accent_g_list, base_g_list, lookupname, acc_class, lookAliases = True):

-	txt = "lookup " + lookupname + " {\n"

-	

-	for acc in accent_g_list:

-		txt += "  markClass " + acc[0] + " <anchor " + `int(acc[1])` + " " + `int(acc[2])` + "> " + acc_class +";\n"	

-	

-	for base in base_g_list:

-		txt += "  pos base " + base[0] + " <anchor " + `int(base[1])` + " " + `int(base[2])` + "> mark " + acc_class + ";\n"

-		if (lookAliases):

-			base2 = GetAliaseName(base[0])

-			if (None == base2):

-				continue

-			txt += "  pos base " + base2 + " <anchor " + `int(base[1])` + " " + `int(base[2])` + "> mark " + acc_class + ";\n"	

-

-	txt += "} " + lookupname + ";\n"

-	

-	return txt

-

-##### main ##############

-def GenerateFeature_mark(font):

-

-  combination_anchor_list = [

-	["top", "_marktop", True, True],

-	["bottom", "_markbottom", True, True],

-	["top_dd", "_marktop_dd", True, False],	

-	["bottom_dd", "_markbottom_dd", True, False],

-	["rhotichook", "_markrhotichook", False, False],

-	["top0315", "_marktop0315", False, False],

-	["parent_top", "_markparent_top", False, False],

-	["parenthesses.w1", "_markparenthesses.w1", False, False],

-	["parenthesses.w2", "_markparenthesses.w2", False, False],

-	["parenthesses.w3", "_markparenthesses.w3", False, False]	

-  ]

-

-  text = "feature mark {\n"

-

-  for n in range(len(combination_anchor_list)):

-	

-	accent_name_list = []

-	accent_mark_list = []

-	base_mark_list = []

-	

-	anchors_pair = combination_anchor_list[n]

-	anchor_name = anchors_pair[0]

-	acc_anchor_name = anchors_pair[1]

-	comb_accent_only = anchors_pair[2]

-	expand_to_composits = anchors_pair[3]

-	lookupname = "mark"+`n+1`

-	classname = "@MC_" + anchor_name

-

-	accent_name_list = CreateAccNameList(font, acc_anchor_name, comb_accent_only)

-	accent_mark_list = CreateAccGlyphList(font, accent_name_list, acc_anchor_name)

-	base_mark_list = CreateGlyphList(font, accent_name_list, anchor_name)

-	text += Create_mark_lookup(accent_mark_list, base_mark_list, lookupname, classname, expand_to_composits)

-

-  text += "} mark;\n"

-

-  updateFeature(font, "mark", text)

+from ufo2ft.kernFeatureWriter import KernFeatureWriter

+from ufo2ft.makeotfParts import FeatureOTFCompiler

+

+

+class RobotoFeatureCompiler(FeatureOTFCompiler):

+    def precompile(self):

+        self.overwriteFeatures = True

+

+    def setupAnchorPairs(self):

+        self.anchorPairs = [

+            ["top", "_marktop", True, True],

+            ["bottom", "_markbottom", True, True],

+            ["top_dd", "_marktop_dd", True, False],

+            ["bottom_dd", "_markbottom_dd", True, False],

+            ["rhotichook", "_markrhotichook", False, False],

+            ["top0315", "_marktop0315", False, False],

+            ["parent_top", "_markparent_top", False, False],

+            ["parenthesses.w1", "_markparenthesses.w1", False, False],

+            ["parenthesses.w2", "_markparenthesses.w2", False, False],

+            ["parenthesses.w3", "_markparenthesses.w3", False, False]]

+

+        self.mkmkAnchorPairs = [

+            ["mkmktop", "_marktop"],

+            ["mkmkbottom_acc", "_markbottom"]]

+

+    def setupAliases(self):

+        self.aliases = [

+            ["a", "uni0430"], ["e", "uni0435"], ["p", "uni0440"],

+            ["c", "uni0441"], ["x", "uni0445"], ["s", "uni0455"],

+            ["i", "uni0456"], ["psi", "uni0471"]]

diff --git a/scripts/lib/fontbuild/mkmkFeature.py b/scripts/lib/fontbuild/mkmkFeature.py
deleted file mode 100755
index 16f9313..0000000
--- a/scripts/lib/fontbuild/mkmkFeature.py
+++ /dev/null
@@ -1,87 +0,0 @@
-# Copyright 2015 Google Inc. All Rights Reserved.

-#

-# Licensed under the Apache License, Version 2.0 (the "License");

-# you may not use this file except in compliance with the License.

-# You may obtain a copy of the License at

-#

-#     http://www.apache.org/licenses/LICENSE-2.0

-#

-# Unless required by applicable law or agreed to in writing, software

-# distributed under the License is distributed on an "AS IS" BASIS,

-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

-# See the License for the specific language governing permissions and

-# limitations under the License.

-

-

-from fontbuild.features import updateFeature

-

-

-def CreateAccNameList(font, acc_anchor_name):

-	lst = []

-	for g in font:

-		for anchor in g.anchors:

-			if acc_anchor_name == anchor.name:

-				lst.append(g.name)

-	return lst

-

-def CreateAccGlyphList(font, acc_list, acc_anchor_name):

-	g_list = []

-	for g in font:

-		if g.name in acc_list:

-			for anchor in g.anchors:

-				if acc_anchor_name == anchor.name:

-					g_list.append([g.name, anchor.x, anchor.y])

-					break

-	return g_list

-

-

-def CreateGlyphList(font, acc_list, anchor_name):

-	g_list = []

-	for g in font:

-		for anchor in g.anchors:

-			if anchor_name == anchor.name:

-				g_list.append([g.name, anchor.x, anchor.y])

-				break

-	return g_list

-

-def Create_mkmk1(accent_g_list, base_g_list, lookupname, acc_class):

-	txt = "lookup " + lookupname + " {\n"

-	#acc_class = "@MC_mkmk"

-	for acc in accent_g_list:

-		txt += "  markClass " + acc[0] + " <anchor " + `int(acc[1])` + " " + `int(acc[2])` + "> " + acc_class +";\n"

-	

-	for base in base_g_list:

-		txt += "  pos mark " + base[0] + " <anchor " + `int(base[1])` + " " + `int(base[2])` + "> mark " + acc_class + ";\n"

-	

-	txt += "} " + lookupname + ";\n"

-	

-	return txt

-

-

-##### main ##############

-def GenerateFeature_mkmk(font):

-  text = "feature mkmk {\n"

-

-  accent_name_list = []

-  accent_mark_list = []

-  base_mark_list = []

-  anchor_name = "mkmktop"

-  acc_anchor_name = "_marktop"

-  accent_name_list = CreateAccNameList(font, acc_anchor_name)

-  accent_mark_list = CreateAccGlyphList(font, accent_name_list, acc_anchor_name)

-  base_mark_list = CreateGlyphList(font, accent_name_list, anchor_name)

-  text += Create_mkmk1(accent_mark_list, base_mark_list, "mkmk1", "@MC_mkmk_top")

-  

-  accent_name_list = []

-  accent_mark_list = []

-  base_mark_list = []

-  anchor_name = "mkmkbottom_acc"

-  acc_anchor_name = "_markbottom"

-  accent_name_list = CreateAccNameList(font, acc_anchor_name)

-  accent_mark_list = CreateAccGlyphList(font, accent_name_list, acc_anchor_name)

-  base_mark_list = CreateGlyphList(font, accent_name_list, anchor_name)

-  text += Create_mkmk1(accent_mark_list, base_mark_list, "mkmk2", "@MC_mkmk_bottom")

-

-  text += "} mkmk;\n"

-

-  updateFeature(font, "mkmk", text)