luaotfload update (15jul10)

git-svn-id: svn://tug.org/texlive/trunk@19484 c570f23f-e606-0410-a88d-b1316a301751

2 files changed, 27 insertions, 8 deletions

diff --git a/Master/texmf-dist/tex/luatex/luaotfload/luaotfload.lua b/Master/texmf-dist/tex/luatex/luaotfload/luaotfload.lua
index 4cdbd127de6..fbfc6f3d2fd 100644
--- a/Master/texmf-dist/tex/luatex/luaotfload/luaotfload.lua
+++ b/Master/texmf-dist/tex/luatex/luaotfload/luaotfload.lua
@@ -20,9 +20,9 @@ module('luaotfload', package.seeall)
 
 luaotfload.module = {
     name          = "luaotfload",
-    version       = 1.15,
-    date          = "2010/07/12",
-    description   = "ConTeXt font loading system.",
+    version       = 1.18,
+    date          = "2010/07/15",
+    description   = "OpenType layout system.",
     author        = "Elie Roux & Hans Hagen",
     copyright     = "Elie Roux",
     license       = "CC0"
@@ -136,14 +136,20 @@ local function def_font(...)
         end
         fontdata.parameters[8] = capheight
         if otfdata.metadata.math then
+            local mc = { }
             for k,v in next, otfdata.metadata.math do
-                if k == "RadicalDegreeBottomRaisePercent" then
-                    -- this is a percent
-                    fontdata.MathConstants[k] = v
+                if k:find("Percent") then
+                    -- keep percent values as is
+                    mc[k] = v
                 else
-                    fontdata.MathConstants[k] = v / units * size
+                    mc[k] = v / units * size
                 end
             end
+            -- for \overwithdelims
+            mc["FractionDelimiterSize"]             = 1.01 * size
+            mc["FractionDelimiterDisplayStyleSize"] = 2.39 * size
+
+            fontdata.MathConstants = mc
         end
 
     end
@@ -153,6 +159,19 @@ end
 fonts.mode = "node"
 
 
+local register_base_sub = fonts.otf.features.register_base_substitution
+local gsubs = {
+    "ss01", "ss02", "ss03", "ss04", "ss05",
+    "ss06", "ss07", "ss08", "ss09", "ss10",
+    "ss11", "ss12", "ss13", "ss14", "ss15",
+    "ss16", "ss17", "ss18", "ss19", "ss20",
+}
+
+for _,v in next, gsubs do
+    register_base_sub(v)
+end
+
+
 function luaotfload.register_callbacks()
     luatexbase.add_to_callback('pre_linebreak_filter',
                                 nodes.simple_font_handler,
diff --git a/Master/texmf-dist/tex/luatex/luaotfload/luaotfload.sty b/Master/texmf-dist/tex/luatex/luaotfload/luaotfload.sty
index 65260b18e9b..bd347d6de8f 100644
--- a/Master/texmf-dist/tex/luatex/luaotfload/luaotfload.sty
+++ b/Master/texmf-dist/tex/luatex/luaotfload/luaotfload.sty
@@ -24,7 +24,7 @@
 \else
   \NeedsTeXFormat{LaTeX2e}
   \ProvidesPackage{luaotfload}%
-    [2010/07/12 v1.16 ConTeXt font loading system]
+    [2010/07/15 v1.18 OpenType layout system]
   \RequirePackage{luatextra}
 \fi