From eec811ebfad073304adf6ac267f22111d383895a Mon Sep 17 00:00:00 2001
From: Marius <mariausol@gmail.com>
Date: Mon, 31 Jan 2011 00:24:50 +0200
Subject: beta 2011.01.23 21:48

---
 tex/context/base/cont-new.mkii              |  2 +-
 tex/context/base/cont-new.mkiv              |  2 +-
 tex/context/base/context.tex                |  2 +-
 tex/context/base/data-sch.lua               | 30 ++++++++++++++++++++++++++++-
 tex/generic/context/luatex-fonts-merged.lua |  2 +-
 5 files changed, 33 insertions(+), 5 deletions(-)

diff --git a/tex/context/base/cont-new.mkii b/tex/context/base/cont-new.mkii
index b6fd0caef..167b5a3c7 100644
--- a/tex/context/base/cont-new.mkii
+++ b/tex/context/base/cont-new.mkii
@@ -11,7 +11,7 @@
 %C therefore copyrighted by \PRAGMA. See mreadme.pdf for
 %C details.
 
-\newcontextversion{2011.01.23 20:36}
+\newcontextversion{2011.01.23 21:48}
 
 %D This file is loaded at runtime, thereby providing an
 %D excellent place for hacks, patches, extensions and new
diff --git a/tex/context/base/cont-new.mkiv b/tex/context/base/cont-new.mkiv
index cf0be096a..b876710be 100644
--- a/tex/context/base/cont-new.mkiv
+++ b/tex/context/base/cont-new.mkiv
@@ -11,7 +11,7 @@
 %C therefore copyrighted by \PRAGMA. See mreadme.pdf for
 %C details.
 
-\newcontextversion{2011.01.23 20:36}
+\newcontextversion{2011.01.23 21:48}
 
 %D This file is loaded at runtime, thereby providing an
 %D excellent place for hacks, patches, extensions and new
diff --git a/tex/context/base/context.tex b/tex/context/base/context.tex
index 4eb9a1209..bab5325eb 100644
--- a/tex/context/base/context.tex
+++ b/tex/context/base/context.tex
@@ -20,7 +20,7 @@
 %D your styles an modules.
 
 \edef\contextformat {\jobname}
-\edef\contextversion{2011.01.23 20:36}
+\edef\contextversion{2011.01.23 21:48}
 
 %D For those who want to use this:
 
diff --git a/tex/context/base/data-sch.lua b/tex/context/base/data-sch.lua
index cac4baab7..af86cd726 100644
--- a/tex/context/base/data-sch.lua
+++ b/tex/context/base/data-sch.lua
@@ -23,6 +23,34 @@ schemes.threshold = 24 * 60 * 60
 
 directives.register("schemes.threshold", function(v) schemes.threshold = tonumber(v) or schemes.threshold end)
 
+local cleaners = { }
+
+schemes.cleaners = cleaners
+
+function cleaners.none(specification)
+    return specification.original
+end
+
+function cleaners.strip(specification)
+    return (gsub(specification.original,"[^%a%d%.]+","-"))
+end
+
+function cleaners.md5(specification)
+    return file.addsuffix(md5.hex(specification.original),file.suffix(specification.path))
+end
+
+local cleaner = cleaners.strip
+
+directives.register("schemes.cleanmethod", function(v) cleaner = cleaners[v] or cleaners.strip end)
+
+function resolvers.schemes.cleanname(specification)
+    local hash = cleaner(specification)
+    if trace_schemes then
+        report_schemes("hashing %s to %s",specification.original,hash)
+    end
+    return hash
+end
+
 local cached, loaded, reused, thresholds, handlers = { }, { }, { }, { }, { }
 
 local function runcurl(name,cachename) -- will use sockets instead or the curl library
@@ -33,7 +61,7 @@ end
 local function fetch(specification)
     local original  = specification.original
     local scheme    = specification.scheme
-    local cleanname = gsub(original,"[^%a%d%.]+","-")
+    local cleanname = schemes.cleanname(specification)
     local cachename = caches.setfirstwritablefile(cleanname,"schemes")
     if not cached[original] then
         statistics.starttiming(schemes)
diff --git a/tex/generic/context/luatex-fonts-merged.lua b/tex/generic/context/luatex-fonts-merged.lua
index eaed05a24..7285b2c5e 100644
--- a/tex/generic/context/luatex-fonts-merged.lua
+++ b/tex/generic/context/luatex-fonts-merged.lua
@@ -1,6 +1,6 @@
 -- merged file : luatex-fonts-merged.lua
 -- parent file : luatex-fonts.lua
--- merge date  : 01/23/11 20:36:24
+-- merge date  : 01/23/11 21:48:38
 
 do -- begin closure to overcome local limits and interference
 
-- 
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