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-rw-r--r--Master/texmf/web2c/texmf.cnf15
1 files changed, 12 insertions, 3 deletions
diff --git a/Master/texmf/web2c/texmf.cnf b/Master/texmf/web2c/texmf.cnf
index 96d50be06ec..73eee4d7c36 100644
--- a/Master/texmf/web2c/texmf.cnf
+++ b/Master/texmf/web2c/texmf.cnf
@@ -407,10 +407,19 @@ TW_INIPATH = $TW_LIBPATH
% would allow command execution.
DVIPDFMXINPUTS = $TEXMF/dvipdfmx
-% Find scripts that are distributed/installed in the texmf tree.
-
% Lua needs to look in TEXINPUTS for lua scripts distributed with packages.
-LUAINPUTS = .;$TEXMF/scripts/{$progname,$engine,}/{lua,}//;$TEXINPUTS
+%
+% But we can't simply use $TEXINPUTS, since then if TEXINPUTS is set in
+% the environment with a colon, say, TEXINPUTS=/some/dir:, the intended
+% default expansion of TEXINPUTS will not happen and .lua files under
+% the /tex/ will not be found.
+%
+% So, duplicate the TEXINPUTS.*lualatex values as LUAINPUTS.*lualatex.
+% The default LUAINPUTS sufficess for luatex and dviluatex.
+%
+LUAINPUTS.lualatex = .;$TEXMF/scripts/{$progname,$engine,}/{lua,}//;$TEXMF/tex/{lualatex,latex,luatex,generic,}//
+LUAINPUTS.dvilualatex = .;$TEXMF/scripts/{$progname,$engine,}/{lua,}//;$TEXMF/tex/{lualatex,latex,luatex,generic,}//
+LUAINPUTS = .;$TEXMF/scripts/{$progname,$engine,}/{lua,}//;$TEXMF/tex/{luatex,plain,generic,}//
% Lua needs to look for binary lua libraries distributed with packages.
CLUAINPUTS = .;$SELFAUTOLOC/lib/{$progname,$engine,}/lua//