Module:Video game release

 require('strict')

 localgetArgs=require('Module:Arguments').getArgs
 localcd=require('Module:CountryData')
 locallist=require('Module:List');
 localp={}

 localknownargs={
 ['format']=true,
 ['class']=true,
 ['style']=true,
 ['list_style']=true,
 ['item_style']=true,
 ['item1_style']=true,
 ['indent']=true
 }

 locallabels={
 ['NA']="[[North America|NA]]",
 ['EU']="[[Europe|EU]]",
 ['EUR']="[[Europe|EU]]",
 ['AU']="[[Australasia|AU]]",
 ['AUS']="[[Australasia|AU]]",
 ['PAL']="[[PAL region|PAL]]",
 ['SEA']="[[Southeast Asia|SEA]]",
 ['AS']="[[Asia|AS]]",
 ['SA']="[[South America|SA]]",
 ['OC']="[[Oceania|OC]]",
 ['WW']="<abbr title=\"Worldwide\">WW</abbr>"
 }

 localfunctiongetLocalLabel(alias)
 locallabel=labels[string.upper(alias)]

 returnlabel
 end

 localcountryData={};-- Used to store country data to avoid the need of repeated calls to Module:CountryData. This saves a little time if the same abbreviation appears multiple times in the template.

 localfunctiongetCountryData(frame,alias)
 localualias=string.upper(alias)

 if(countryData[ualias]==nil)then
 localcdtable=cd.gettable(frame,alias,{})
 countryData[ualias]=cdtable['alias']
 end

 returncountryData[ualias]
 end

 localfunctionsplitLabel(s)
 localislist=true
 localres={}
 fork,vinipairs(mw.text.split(sor'','%s*/%s*'))do
 localv1=v:match('^%s*([A-Z][A-Z][A-Z]?)%s*$')
 ifv1then
 table.insert(res,v1)
 else
 localv2=v:match('^%s*(%[%[[^%[%]|]*|[A-Z][A-Z][A-Z]?%]%])%s*$')
 ifv2then
 table.insert(res,v2)
 else
 islist=false
 end
 end
 end
 returnislistandresor{s}
 end

 functionp.main(frame)
 localargs=getArgs(frame)
 locallistformat=args['format']
 if(listformat==nilorlistformat=="")then
 listformat="unbulleted"
 end
 localitems={}

 -- Old syntax "Two parameter region" use case, where param 1 is an article, param 2 is a label, and param 3 is the date. We assume this case if argument 4 is nil.
 if(args[3]~=nilandargs[4]==nil)then
 localitem="<span style=\"font-size:97%;\">[["
 if(args[1]~=nil)then
 item=item..args[1]
 end
 item=item.."|"
 if(args[2]~=nil)then
 item=item..args[2]
 end
 item=item.."]]:</span> "..args[3].."[[Category:Pages using vgrelease with two parameter region]]"
 table.insert(items,item)
 -- Old syntax "Blank region" use case, where param 1 is empty, and param 2 is the date.
 elseif(args[1]==nilandargs[2]~=nil)then
 localitem=args[2].."[[Category:Pages using vgrelease without a region]]"
 table.insert(items,item)
 -- Normal use cases, region/date pairs in 1/2, 3/4, 5/6, etc.
 else
 locali=1
 localj=2
 while(args[i]andargs[j])do
 locallabels={}
 fork,vinipairs(splitLabel(args[i]))do
 locallabel=getLocalLabel(v);

 -- Didn't find a local label? Check for country data.
 if(label==nil)then
 ifnotv:match('^%s*%[')then
 label=getCountryData(frame,v)
 end

 -- Found something? Build a sitelink with it.
 if(label~=nil)then
 label="[["..label.."|"..v.."]]"
 else
 label=v
 end
 end
 table.insert(labels,label)
 end
 localitem="<span style=\"font-size:97%;\">"..table.concat(labels,'/')..":</span> "..args[j]
 table.insert(items,item)

 i=i+2
 j=j+2
 end
 end

 -- Add known parameters of Module:List to the table
 fork,vinpairs(args)do
 if(knownargs[k]==true)then
 items[k]=v
 end
 end

 localout=list.makeList(listformat,items)

 -- Preview message and category
 localparameterMsg=require('Module:If preview')._warning({
 'Unknown parameter "_VALUE_".'
 }).."[[Category:Pages using vgrelease with named parameters|_VALUE_]]"

 -- Check for invalid parameters	
 fork,vinpairs(args)do
 if(type(k)~='number'andknownargs[k]~=true)then
 localmsg=parameterMsg:gsub('_VALUE_',k)
 out=out..msg
 end
 end

 returnout
 end

 returnp