Module:About

 localmArguments--initialize lazily
 localmHatnote=require('Module:Hatnote')
 localmHatList=require('Module:Hatnote list')
 locallibraryUtil=require('libraryUtil')
 localcheckType=libraryUtil.checkType
 localp={}

 functionp.about(frame)
 -- A passthrough that gets args from the frame and all
 mArguments=require('Module:Arguments')
 args=mArguments.getArgs(frame)
 returnp._about(args)
 end


 functionp._about(args,options)
 -- Produces "about" hatnote.

 -- Type checks and defaults
 checkType('_about',1,args,'table',true)
 args=argsor{}
 checkType('_about',2,options,'table',true)
 options=optionsor{}
 localdefaultOptions={
 aboutForm='This %s is about %s. ',
 PageType=require('Module:Pagetype').main(),
 otherText=nil,--included for complete list
 sectionString='section'
 }
 fork,vinpairs(defaultOptions)do
 ifoptions[k]==nilthenoptions[k]=vend
 end

 -- Set initial "about" string
 localpageType=(args.sectionandoptions.sectionString)oroptions.PageType
 localabout=''
 ifargs[1]then
 about=string.format(options.aboutForm,pageType,args[1])
 end

 --Allow passing through certain options
 localfsOptions={
 otherText=options.otherText,
 extratext=args.text
 }
 localhnOptions={
 selfref=args.selfref
 }

 -- Set for-see list
 localforSee=mHatList._forSee(args,2,fsOptions)

 -- Concatenate and return
 returnmHatnote._hatnote(about..forSee,hnOptions)
 end

 returnp