--- scrn-int.mkiv.org	2011-01-31 13:26:23.000000000 +0300
+++ scrn-int.mkiv	2011-02-23 12:34:22.000000000 +0300
@@ -405,6 +405,25 @@
 % % \setupattachments[\c!symbol={symbol-normal,symbol-down}]
 %
 % \starttext \attachment[whatever] \stoptext
+%
+% \globattachment[test.tex]
+% \globattachment[description][test.tex]
+% \globattachment[description][newname.tex][test.tex]
+
+\def\globattachment
+  {\dotripleempty\doglobattachment}
+
+\def\doglobattachment[#1][#2][#3]% description newfilename filename
+  {\ifthirdargument
+     \dodoglobattachment{#1}{#2}{#3}%
+   \else\ifsecondargument
+     \dodoglobattachment{#1}{}{#2}%
+   \else
+     \dodoglobattachment{}{}{#1}%
+   \fi\fi}
+
+\def\dodoglobattachment#1#2#3% description newfilename filename
+  {\ctxlua{backends.codeinjections.globattachfile{description="#1",newname="#2",filename="#3"}}}
 
 \def\useattachment
   {\doquadrupleempty\douseattachment}