View source for Module:Sandbox

local getArgs = require('Module:Arguments').getArgs

local function makeInvokeFunc(funcName)
	return function (frame)
		local args = getArgs(frame)
		return p[funcName](args)
	end
end

local p = {}

p.main = makeInvokeFunc('_main')

function p._main(args)
	local size = args[1] or '1x_'
	local grid = args[2] or 78
	local dim = mw.text.split(size, 'x', true)
	if dim[1] == '_' then
		if dim[2] == '_' then
			dim[1] = grid
		else
			dim[1] = ''
		end
	else
		dim[1] = dim[1] * grid
	end
	if dim[2] == '_' then
		dim[2] = ''
	else
		dim[2] = 'x' .. dim[2] * grid
	end
	return dim[1] .. dim[2] .. 'px'
end

return p
Description	What you type	What you get
Italic	''Italic text''	Italic text
Bold	'''Bold text'''	Bold text
Bold & italic	'''''Bold & italic text'''''	*Bold & italic text*