Module:etymology/templates: Difference between revisions
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| Line 33: | Line 33: | ||
local function fetch_script(sc) | local function fetch_script(sc) | ||
return require("Module:scripts").getByCode(sc) or error("The script code \"" .. sc .. "\" is not valid.") | if sc then | ||
return require("Module:scripts").getByCode(sc) or error("The script code \"" .. sc .. "\" is not valid.") | |||
else | |||
return nil | |||
end | |||
end | end | ||