Add the description of 'luatexja.set_width' callback.

[luatex-ja/luatexja.git] / src / luatexja-core.lua

diff --git a/src/luatexja-core.lua b/src/luatexja-core.lua
index 8190708..673f581 100644 (file)
--- a/src/luatexja-core.lua
+++ b/src/luatexja-core.lua
@@ -61,7 +61,7 @@ end
 
 -- Three aux. functions, bollowed from tex.web
 local unity=65536
-local function print_scaled(s)
+function print_scaled(s)
    local out=''
    local delta=10
    if s<0 then