From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ricardo Wurmus <rekado@elephly.net>
Subject: bug#25425: cannot express search path
Date: Thu, 12 Jan 2017 13:19:26 +0100
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To: 25425@debbugs.gnu.org

It seems that the “search-path-specification” cannot be used to include
placeholders such as “?” as required by LUA_PATH and LUA_CPATH.  The
search paths in Lua are not directories and they are not actual file
names.

I suggest adding an optional “placeholder” field to
“search-path-specification”, which would hold a string like “?/?.lua” in
this case.