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authorKarl Berry <karl@freefriends.org>2010-05-30 00:04:38 +0000
committerKarl Berry <karl@freefriends.org>2010-05-30 00:04:38 +0000
commit0bb281878e0a5fcee2e1f5130c9b32232446a15b (patch)
tree312e7d0390ca4afd720864f3a01bed23bde7da36 /Master/bin/win32
parent95f5e2bba11d728fa3d0be906ecdc321c13beff7 (diff)
sync luatools.lua
git-svn-id: svn://tug.org/texlive/trunk@18592 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/bin/win32')
-rwxr-xr-xMaster/bin/win32/luatools.lua7
1 files changed, 5 insertions, 2 deletions
diff --git a/Master/bin/win32/luatools.lua b/Master/bin/win32/luatools.lua
index 1d87322c108..c75b1c4e86e 100755
--- a/Master/bin/win32/luatools.lua
+++ b/Master/bin/win32/luatools.lua
@@ -6078,8 +6078,11 @@ function resolvers.expand_variables()
local expansions, environment, variables = { }, instance.environment, instance.variables
local env = resolvers.env
instance.expansions = expansions
- if instance.engine ~= "" then environment['engine'] = instance.engine end
- if instance.progname ~= "" then environment['progname'] = instance.progname end
+ local engine, progname = instance.engine, instance.progname
+ if type(engine) ~= "string" then instance.engine, engine = "", "" end
+ if type(progname) ~= "string" then instance.progname, progname = "", "" end
+ if engine ~= "" then environment['engine'] = engine end
+ if progname ~= "" then environment['progname'] = progname end
for k,v in next, environment do
local a, b = match(k,"^(%a+)%_(.*)%s*$")
if a and b then