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diff --git a/Master/texmf-dist/tex/context/base/spec-pdf.lua b/Master/texmf-dist/tex/context/base/spec-pdf.lua
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+if not modules then modules = { } end modules ['spec-pdf'] = {
+ version = 1.001,
+ comment = "companion to spec-fdf.tex",
+ author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright = "PRAGMA ADE / ConTeXt Development Team",
+ license = "see context related readme files"
+}
+
+--[[ldx--
+<p>This module implements a couple of cleanup methods. We need these
+in order to meet the <l n='pdf'/> specification. Watch the double
+parenthesis; they are needed because otherwise we would pass more
+than one argument to <l n='tex'/>.</p>
+--ldx]]--
+
+pdf = pdf or { }
+
+function pdf.cleandestination(str)
+ tex.sprint((str:gsub("[%/%#%<%>%[%]%(%)%-%s]+","-")))
+end
+
+function pdf.cleandestination(str)
+ tex.sprint((str:gsub("[%/%#%<%>%[%]%(%)%-%s]+","-")))
+end
+
+function pdf.santizedstring(str)
+ tex.sprint((str:gsub("([\\/#<>%[%]%(%)])","\\%1")))
+end