Changes
Module:Citation has been blanked since Wikipedia:Templates for discussion/Log/2018 May 13#Module:Citation; remove special handling
if not category then
local categories = {
['Module:String'] = 'Templates based on the String Lua String-based templatesmodule',
['Module:Math'] = 'Templates based on the Math Lua module',
['Module:BaseConvert'] = 'Templates based on the BaseConvert Lua module',
['Module:Citation/CS1'] = 'Templates based on the Citation/CS1 Lua-based citation templatesmodule'
}
category = modules[1] and categories[modules[1]]
category = category or 'Lua-based templates'