-- module variable and administration local ls = { 	moduleInterface = { 		suite  = 'LinkSkype', 		serial = '2023-12-08', 		item   = 65157314 	} }  -- module import -- require( 'strict' ) local li = require( 'Module:Link utilities/i18n' ) local lu = require( 'Module:Link utilities' )  -- check single skype name function ls.isSkypeName( s ) 	if not s or type( s ) ~= 'string' then 		return 0 	end  	local user = s 	local param 	local q = s:find( '?', 1, true ) 	if q then 		user = s:sub( 1, q - 1 ) 		param = s:sub( q + 1, #s ) 		if not li.params[ param ] then 			return 0 		end 	end 	if #user > 32 or #user < 6 then 		return 0 	end 	if not user:match( "^%l[%l%d%.,_%-]+$" ) then 		return 0 	end 	return 1 end  function ls.SkypeLink( m, isDemo ) 	m = mw.text.trim( m ) 	if m == '' then -- empty string 		return '' 	end 	local catPrefix = '[[Category:' 	if isDemo then 		catPrefix = ' [[:Category:' 	end  	local comment = '' 	local t 	m, comment = lu.extractComment( m )  	m = m:gsub( 'skype:', '' ) 	if ls.isSkypeName( m ) > 0 then 		t = '<span class="listing-skype-link">' .. m ..'</span>' 		-- skype: link is performed by a JavaSript: MediaWiki:VCard.js 	else 		t = m .. catPrefix .. li.categories.invalidSkype 	end 	if comment ~= '' then 		t = t .. ' ' .. comment 	end 	return t end  function ls.linkSkypeSet( args ) 	args.skype   = args.skype or args[ 1 ] or '' 	if args.skype == '' then 		return '' 	end  	local ns     = mw.title.getCurrentTitle().namespace 	local isDemo = ns == 10 or ns == 828  	-- split separate Skype names 	local items = lu.splitItems( args.skype, li.delimiters, ';' )  	-- analyse Skype names 	local i = 0 	local s 	local result = ''  	for j = 1, #items, 1 do 		s = ls.SkypeLink( items[ j ], isDemo ) 		if s ~= '' then 			if result == '' then 				result = s 			else 				if i == li.addSkype then 					result = result .. '<span class="listing-add-contact">' 				end 				result = result .. li.texts.comma .. s 			end 			i = i + 1 		end 	end 	if i > li.addSkype then 		result = result .. '</span>' 	end 	return result end  -- #invoke call function ls.linkSkype( frame ) 	return ls.linkSkypeSet( frame.args ) end  -- template call function ls.linkSkypeTemplate( frame ) 	return ls.linkSkypeSet( frame:getParent().args ) end  return ls