issue warning for incompletely supported Indic scripts

2 files changed, 42 insertions, 13 deletions

diff --git a/luaotfload-features.lua b/luaotfload-features.lua
index 0665804..941373d 100644
--- a/luaotfload-features.lua
+++ b/luaotfload-features.lua
@@ -6,9 +6,9 @@ if not modules then modules = { } end modules ["features"] = {
     license   = "see context related readme files"
 }
 
-local format, insert = string.format, table.insert
-local type, next = type, next
-local lpegmatch = lpeg.match
+local format, insert    = string.format, table.insert
+local type, next        = type, next
+local lpegmatch         = lpeg.match
 
 ---[[ begin included font-ltx.lua ]]
 --- this appears to be based in part on luatex-fonts-def.lua
@@ -98,6 +98,21 @@ defaults.tibt = defaults.khmr
 defaults.lao  = defaults.thai
 
 --[[doc--
+
+    As discussed, we will issue a warning because of incomplete support
+    when one of the scripts below is requested.
+
+    Reference: https://github.com/lualatex/luaotfload/issues/31
+
+--doc]]--
+
+local support_incomplete = table.tohash({
+    "deva", "beng", "guru", "gujr",
+    "orya", "taml", "telu", "knda",
+    "mlym", "sinh",
+}, true)
+
+--[[doc--
 Which features are active by default depends on the script requested.
 --doc]]--
 
@@ -105,6 +120,11 @@ Which features are active by default depends on the script requested.
 local set_default_features = function (speclist)
     speclist = speclist or { }
     local script = speclist.script or "dflt"
+    if support_incomplete[script] then
+        report("log", 0, "load",
+            "support for the requested script: “%s” may be incomplete",
+            script)
+    end
 
     report("log", 0, "load",
         "auto-selecting default features for script: %s",
diff --git a/luaotfload.dtx b/luaotfload.dtx
index d8d1863..7e737b8 100644
--- a/luaotfload.dtx
+++ b/luaotfload.dtx
@@ -1,8 +1,12 @@
 % \iffalse meta-comment
 %
-% Copyright (C) 2009-2013 by Elie Roux    <elie.roux@telecom-bretagne.eu>
-%                        and Khaled Hosny <khaledhosny@eglug.org>
-%                             (Support: <lualatex-dev@tug.org>.)
+% Copyright (C) 2009-2013
+%      by  Elie Roux      <elie.roux@telecom-bretagne.eu>
+%      and Khaled Hosny   <khaledhosny@eglug.org>
+%      and Philipp Gesang <philipp.gesang@alumni.uni-heidelberg.de>
+%
+%      Home:      https://github.com/lualatex/luaotfload
+%      Support:   <lualatex-dev@tug.org>.
 %
 % This work is under the CC0 license.
 %
@@ -47,9 +51,13 @@
 \preamble
 This is a generated file.
 
-Copyright (C) 2009-2013 by by Elie Roux    <elie.roux@telecom-bretagne.eu>
-                          and Khaled Hosny <khaledhosny@eglug.org>
-                               (Support: <lualatex-dev@tug.org>.)
+Copyright (C) 2009-2013
+     by  Elie Roux      <elie.roux@telecom-bretagne.eu>
+     and Khaled Hosny   <khaledhosny@eglug.org>
+     and Philipp Gesang <philipp.gesang@alumni.uni-heidelberg.de>
+
+     Home:      https://github.com/lualatex/luaotfload
+     Support:   <lualatex-dev@tug.org>.
 
 This work is under the CC0 license.
 
@@ -119,7 +127,7 @@ and the derived files
     citecolor=\primarycolor,
      pdftitle={The luaotfload package},
    pdfsubject={OpenType layout system for Plain TeX and LaTeX},
-    pdfauthor={Elie Roux & Khaled Hosny},
+    pdfauthor={Elie Roux & Khaled Hosny & Philipp Gesang},
   pdfkeywords={luatex, lualatex, unicode, opentype}
 ]{hyperref}
 \usepackage{fontspec}
@@ -196,9 +204,10 @@ and the derived files
 % \GetFileInfo{luaotfload.drv}
 %
 % \title{The \identifier{luaotfload} package}
-% \date{2013/04/16 v2.2}
-% \author{Elie Roux and Khaled Hosny\\
-%         Support: \email{lualatex-dev@tug.org}}
+% \date{2013/05/05 v2.2}
+% \author{Elie Roux · Khaled Hosny · Philipp Gesang\\
+%         Home:      https://github.com/lualatex/luaotfload\\
+%         Support:   \email{lualatex-dev@tug.org}}
 %
 % \maketitle
 %