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Cast arg as string in trim() and split()

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This commit is contained in:
Charles Dang 2014-12-30 16:04:27 +11:00
parent 1f124ff2ee
commit 3acb30e1ca
1 changed files with 2 additions and 2 deletions
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4
data/lua/wml-tags.lua
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@ -21,11 +21,11 @@ local wml_actions = wesnoth.wml_actions
local function trim(s)
-- use (f(a)) to get first argument
return (s:gsub("^%s*(.-)%s*$", "%1"))
return (tostring(s):gsub("^%s*(.-)%s*$", "%1"))
end
local function split(s)
return s:gmatch("[^%s,][^,]*")
return tostring(s):gmatch("[^%s,][^,]*")
end
local function optional_side_filter(cfg, key_name, filter_name)