From f5cc8a1784969e5dd93909d6a9455370e475f4fb Mon Sep 17 00:00:00 2001
From: Philipp Gesang <phg42.2a@gmail.com>
Date: Sun, 21 Apr 2013 12:21:46 +0200
Subject: document --info option

---
 luaotfload.dtx | 18 ++++++++++++++++--
 luaotfload.lua |  5 +++++
 2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/luaotfload.dtx b/luaotfload.dtx
index 0205898..8b468bb 100644
--- a/luaotfload.dtx
+++ b/luaotfload.dtx
@@ -696,8 +696,9 @@ and the derived files
 % will verify if “Iwona Regular” is found in the database and can be
 % readily requested in a document.
 %
-% If you are unsure about the actual font name, then you can add the
-% \verb|-F| switch to the command line to enable approximate matching.
+% If you are unsure about the actual font name, then add the
+% \verb|-F| (or \verb|--fuzzy|) switch to the command line to enable
+% approximate matching.
 % Suppose you cannot precisely remember if the variant of
 % \identifier{Iwona} you are looking for was “Bright” or “Light”.
 % The query 
@@ -711,6 +712,19 @@ and the derived files
 % \noindent
 % will tell you that indeed the latter name is correct.
 %
+% Basic information about fonts in the database can be displayed
+% using the \verb|-i| option (\verb|--info|).
+% \begin{quote}
+%   \begin{verbatim}
+%     fontdbutil  -F --find="Iwona Light Italic"
+%   \end{verbatim}
+% \end{quote}
+% \noindent
+% The meaning of the printed values is described in section 4.4 of the
+% \LUATEX reference manual.\footnote{%
+%   In \TEX Live: \fileent{texmf-dist/doc/luatex/base/luatexref-t.pdf}.
+% }
+%  
 % \verb|fontdbutil --help| will list the available command line
 % switches, including some not discussed in detail here.
 %
diff --git a/luaotfload.lua b/luaotfload.lua
index 256c792..c85041b 100644
--- a/luaotfload.lua
+++ b/luaotfload.lua
@@ -25,6 +25,9 @@ local reset_callback, call_callback =
 
 local dummy_function = function () end
 
+_G.luaotfload     = _G.luaotfload or { }
+local luaotfload  = _G.luaotfload
+
 --[[doc--
 No final decision has been made on how to handle font definition.  At
 the moment, there are three candidates: The \identifier{generic}
@@ -32,6 +35,7 @@ callback as hard-coded in the font loader, the \identifier{old}
 wrapper, and a simplified version of the latter (\identifier{patch})
 that does nothing besides applying font patches.
 --doc]]--
+
 luaotfload.font_definer = "patch" --- | “generic” | “old”
 
 local error, warning, info, log =
@@ -346,6 +350,7 @@ local patch_defined_font = function (...)
     if type(tfmdata) == "table" then
         call_callback("luaotfload.patch_font", tfmdata)
     end
+    -- inspect(table.keys(tfmdata)) 
     return tfmdata
 end
 
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