Module:Disambiguation

 localp={}
 localmRedirect=require('Module:Redirect')
 localdisambiguationTemplates=mw.loadData('Module:Disambiguation/templates')
 localPrepareText=require('Module:Wikitext Parsing').PrepareText

 localfunctioncapitalize(s)
 -- This function only works on ASCII strings. If your wiki has
 -- disambiguation templates that use Unicode strings, use the commented-out
 -- line instead. Enwiki uses ASCII string manipulation only here to improve
 -- performance.
 returns:sub(1,1):upper()..s:sub(2,-1)
 -- return mw.ustring.upper(mw.ustring.sub(1, 1)) .. mw.ustring.sub(2, -1)
 end

 localfunctionisDisambiguationTemplate(template)
 returndisambiguationTemplates[capitalize(template)]orfalse
 end

 p.isDisambiguation=function(content)
 -- false if there is no content
 ifcontent==nilthen
 returnfalse
 end

 -- redirects are not disambiguation pages
 ifmRedirect.getTargetFromText(content)~=nilthen
 returnfalse
 end

 -- check for disambiguation templates in the content
 localtemplateNames={}
 -- remove nowiki content and html comments for this check
 localactivecontent=PrepareText(content)
 fortemplateinstring.gmatch(activecontent,"{{%s*([^|}]-)%s*[|}]")do
 ifisDisambiguationTemplate(template)then
 returntrue
 end
 end

 -- check for magic word
 ifstring.find(content,"__DISAMBIG__",1,true)~=nilthen
 returntrue
 end

 returnfalse
 end

 p._isDisambiguationPage=function(page)
 -- Look "(disambiguation)" in the title
 ifstring.find(page,"(disambiguation)",0,true)~=nilthen
 returntrue;
 end
 -- Look for disamiguation template in page content
 localtitle=mw.title.new(page)
 ifnottitlethenreturnfalseend
 localcontent=title:getContent()
 returnp.isDisambiguation(content)
 end

 -- Entry points for templates
 p.isDisambiguationPage=function(frame)
 localtitle=frame.args[1]
 returnp._isDisambiguationPage(title)and"yes"or""
 end

 returnp