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+%D \module
+%D [ file=file-syn, % was core-fil,
+%D version=20110701, % 1997.11.15,
+%D title=\CONTEXT\ File Macros,
+%D subtitle=Module Support,
+%D author=Hans Hagen,
+%D date=\currentdate,
+%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
+%C
+%C This module is part of the \CONTEXT\ macro||package and is
+%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
+%C details.
+
+\writestatus{loading}{ConTeXt File Macros / Synonyms}
+
+\unprotect
+
+\registerctxluafile{file-syn}{}
+
+%D \macros
+%D {definefilesynonym,definefilefallback}
+%D
+%D One of the problems with loading files is that their names can depend on the
+%D interface language. We therefore need a method to define filesynonyms. The actual
+%D synonyms are defined elsewhere, but look like:
+%D
+%D \starttyping
+%D \definefilesynonym [chemic] [chemie]
+%D \definefilesynonym [einheit] [unit]
+%D \definefilesynonym [unit] [unit]
+%D \stoptyping
+%D
+%D So we can say in english:
+%D
+%D \starttyping
+%D \usemodules[pictex,chemic,unit]
+%D \stoptyping
+%D
+%D and in dutch:
+%D
+%D \starttyping
+%D \usemodules[pictex,chemie,unit]
+%D \stoptyping
+
+\permanent\tolerant\def\definefilesynonym [#name]#spacer[#realname]{\clf_definefilesynonym {#name}{#realname}}
+\permanent\tolerant\def\definefilefallback[#name]#spacer[#alternatives]{\clf_definefilefallback{#name}{#alternatives}}
+
+%D \macros
+%D {truefilename}
+%D
+%D At the system level such a filename can be called upon by saying:
+%D
+%D \starttyping
+%D \truefilename{filename/filesynonym}
+%D \stoptyping
+%D
+%D The implementation shows that nesting is supported.
+
+\permanent\def\truefilename#1{\clf_truefilename{#1}}
+
+\protect \endinput