From ea2466fe69bd082d379e95e1567f3de0b76de243 Mon Sep 17 00:00:00 2001
From: Hans Hagen <pragma@wxs.nl>
Date: Sat, 8 Apr 2017 12:28:54 +0200
Subject: 2017-04-08 12:15:00

---
 tex/generic/context/luatex/luatex-fonts-merged.lua | 54 ++++++++++------------
 1 file changed, 25 insertions(+), 29 deletions(-)

(limited to 'tex/generic')

diff --git a/tex/generic/context/luatex/luatex-fonts-merged.lua b/tex/generic/context/luatex/luatex-fonts-merged.lua
index 1836b064a..68bcd8007 100644
--- a/tex/generic/context/luatex/luatex-fonts-merged.lua
+++ b/tex/generic/context/luatex/luatex-fonts-merged.lua
@@ -1,6 +1,6 @@
 -- merged file : c:/data/develop/context/sources/luatex-fonts-merged.lua
 -- parent file : c:/data/develop/context/sources/luatex-fonts.lua
--- merge date  : 04/02/17 19:51:22
+-- merge date  : 04/08/17 12:09:31
 
 do -- begin closure to overcome local limits and interference
 
@@ -4374,11 +4374,10 @@ function files.readinteger2(f)
 end
 function files.readinteger2le(f)
   local b,a=byte(f:read(2),1,2)
-  local n=0x100*a+b
-  if n>=0x8000 then
-    return n-0x10000
+  if a>=0x80 then
+    return 0x100*a+b-0x10000
   else
-    return n
+    return 0x100*a+b
   end
 end
 function files.readcardinal3(f)
@@ -4391,20 +4390,18 @@ function files.readcardinal3le(f)
 end
 function files.readinteger3(f)
   local a,b,c=byte(f:read(3),1,3)
-  local n=0x10000*a+0x100*b+c
-  if n>=0x80000 then
-    return n-0x1000000
+  if a>=0x80 then
+    return 0x10000*a+0x100*b+c-0x1000000
   else
-    return n
+    return 0x10000*a+0x100*b+c
   end
 end
 function files.readinteger3le(f)
   local c,b,a=byte(f:read(3),1,3)
-  local n=0x10000*a+0x100*b+c
-  if n>=0x80000 then
-    return n-0x1000000
+  if a>=0x80 then
+    return 0x10000*a+0x100*b+c-0x1000000
   else
-    return n
+    return 0x10000*a+0x100*b+c
   end
 end
 function files.readcardinal4(f)
@@ -4425,11 +4422,10 @@ function files.readinteger4(f)
 end
 function files.readinteger4le(f)
   local d,c,b,a=byte(f:read(4),1,4)
-  local n=0x1000000*a+0x10000*b+0x100*c+d
-  if n>=0x8000000 then
-    return n-0x100000000
+  if a>=0x80 then
+    return 0x1000000*a+0x10000*b+0x100*c+d-0x100000000
   else
-    return n
+    return 0x1000000*a+0x10000*b+0x100*c+d
   end
 end
 function files.readfixed2(f)
@@ -11140,21 +11136,18 @@ do
     while i<=n do
       local t=tab[i]
       if t>=32 then
+        top=top+1
         if t<=246 then
-          top=top+1
           stack[top]=t-139
           i=i+1
         elseif t<=250 then
-          top=top+1
           stack[top]=t*256-63124+tab[i+1]
           i=i+2
         elseif t<=254 then
-          top=top+1
           stack[top]=-t*256+64148-tab[i+1]
           i=i+2
         else
           local n=0x100*tab[i+1]+tab[i+2]
-          top=top+1
           if n>=0x8000 then
             stack[top]=n-0x10000+(0x100*tab[i+3]+tab[i+4])/0xFFFF
           else
@@ -11217,15 +11210,17 @@ do
         if a then
           local s=a(t)
           if s then
-            i=i+s
+            i=i+s+1
+          else
+            i=i+1
           end
         else
           if trace_charstrings then
             showvalue("<action>",t)
           end
           top=0
+          i=i+1
         end
-        i=i+1
       end
     end
   end
@@ -11259,7 +11254,9 @@ do
       report("glyph: %i",index)
       report("data : % t",tab)
     end
-    updateregions(vsindex)
+    if regions then
+      updateregions(vsindex)
+    end
     process(tab)
     local boundingbox={
       round(xmin),
@@ -14525,7 +14522,7 @@ do
                           derived=true,
                           steps=d.steps,
                           nofsteps=d.nofsteps,
-                          type=d.lookuptype,
+                          type=d.lookuptype or "gsub_single",
                           markclass=d.markclass or nil,
                           flags=d.flags,
                         }
@@ -27319,16 +27316,15 @@ function readers.loadfont(afmname,pfbname)
   local data=read(resolvers.findfile(afmname),fullparser)
   if data then
     if not pfbname or pfbname=="" then
-      pfbname=file.replacesuffix(file.nameonly(afmname),"pfb")
-      pfbname=resolvers.findfile(pfbname)
+      pfbname=resolvers.findfile(file.replacesuffix(file.nameonly(afmname),"pfb"))
     end
     if pfbname and pfbname~="" then
       data.resources.filename=resolvers.unresolve(pfbname)
       get_indexes(data,pfbname)
-    elseif trace_loading then
+      return data
+    else 
       report_afm("no pfb file for %a",afmname)
     end
-    return data
   end
 end
 function readers.loadshapes(filename)
-- 
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