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-rw-r--r--Master/texmf-dist/tex/luatex/luaotfload/luaotfload-main.lua23
1 files changed, 22 insertions, 1 deletions
diff --git a/Master/texmf-dist/tex/luatex/luaotfload/luaotfload-main.lua b/Master/texmf-dist/tex/luatex/luaotfload/luaotfload-main.lua
index 9e8d0881226..25be3db3f00 100644
--- a/Master/texmf-dist/tex/luatex/luaotfload/luaotfload-main.lua
+++ b/Master/texmf-dist/tex/luatex/luaotfload/luaotfload-main.lua
@@ -13,9 +13,30 @@ local luaotfload = luaotfload
luaotfload.log = luaotfload.log or { }
luaotfload.version = "2.7"
luaotfload.loaders = { }
-luaotfload.min_luatex_version = 95 --- i. e. 0.95
+luaotfload.min_luatex_version = { 0, 95, 0 } --- i. e. 0.95.0
luaotfload.fontloader_package = "reference" --- default: from current Context
+if not tex or not tex.luatexversion then
+ error "this program must be run in TeX mode" --- or call tex.initialize() =)
+else
+ --- version check
+ local major = tex.luatexversion / 100
+ local minor = tex.luatexversion % 100
+ local revision = tex.luatexrevision --[[ : string ]]
+ local revno = tonumber (revision)
+ local minimum = luaotfload.min_luatex_version
+ if major < minimum [1] or minor < minimum [2]
+ or revno and revno < minimum [3]
+ then
+ texio.write_nl ("term and log",
+ string.format ("\tFATAL ERROR\n\z
+ \tLuaotfload requires a Luatex version >= %d.%d.%d.\n\z
+ \tPlease update your TeX distribution!\n\n",
+ (unpack or table.unpack) (minimum)))
+ error "version check failed"
+ end
+end
+
local authors = "\z
Hans Hagen,\z
Khaled Hosny,\z