Módulo:Citas

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local z = {

   error_categories = {};
   error_ids = {};
   message_tail = {};

} -- Include translation message hooks, ID and error handling configuration settings. --local cfg = mw.loadData( 'Mdódulo:Citas/Configuración/pruebas' );

-- Contains a list of all recognized parameters --local whitelist = mw.loadData( 'Módulo:Citas/Whitelist/pruebas' ); --local dates = require('Módulo:Citas/ValidaciónFechas/pruebas').dates -- location of date validation code

-- Whether variable is set or not function is_set( var )

   return not (var == nil or var == );

end

-- First set variable or nil if none function first_set(...)

   local list = {...};
   for _, var in pairs(list) do
       if is_set( var ) then
           return var;
       end
   end

end

-- Whether needle is in haystack function inArray( needle, haystack )

   if needle == nil then
       return false;
   end
   for n,v in ipairs( haystack ) do
       if v == needle then
           return n;
       end
   end
   return false;

end

--[[ Categorize and emit an error message when the citation contains one or more deprecated parameters. Because deprecated parameters (currently |day=, |month=, |coauthor=, and |coauthors=) aren't related to each other and because these parameters may be concatenated into the variables used by |date= and |author#= (and aliases) details of which parameter caused the error message are not provided. Only one error message is emitted regarless of the number of deprecated parameters in the citation. ]] function deprecated_parameter() if true ~= Page_in_deprecated_cat then -- if we haven't been here before then set a Page_in_deprecated_cat=true; -- sticky flag so that if there are more than one deprecated parameter the category is added only once -- table.insert( z.message_tail, { seterror( 'deprecated_params', {error_message}, true ) } ); -- add error message table.insert( z.message_tail, { seterror( 'deprecated_params', {}, true ) } ); -- add error message end end

-- Populates numbered arguments in a message string using an argument table. function substitute( msg, args ) -- return args and tostring( mw.message.newRawMessage( msg, args ) ) or msg; return args and mw.message.newRawMessage( msg, args ):plain() or msg; end

--[[ Apply kerning to open the space between the quote mark provided by the Module and a leading or trailing quote mark contained in a |title= or |chapter= parameter's value. This function will positive kern either single or double quotes: "'Unkerned title with leading and trailing single quote marks'" " 'Kerned title with leading and trailing single quote marks' " (in real life the kerning isn't as wide as this example) ]] function kern_quotes (str) local left='%1'; -- spacing to use when title contains leading single or double quote mark local right='%1'; -- spacing to use when title contains trailing single or double quote mark

if str:match ("^[\"\'][^\']") then str = string.gsub( str, "^[\"\']", left, 1 ); -- replace (captured) leading single or double quote with left-side end if str:match ("[^\'][\"\']$") then str = string.gsub( str, "[\"\']$", right, 1 ); -- replace (captured) trailing single or double quote with right-side end return str; end

-- Wraps a string using a message_list configuration taking one argument function wrap( key, str, lower )

   if not is_set( str ) then
       return "";
   elseif inArray( key, { 'italic-title', 'trans-italic-title' } ) then
       str = safeforitalics( str );
   end
   if lower == true then
       return substitute( cfg.messages[key]:lower(), {str} );
   else
       return substitute( cfg.messages[key], {str} );
   end        

end

--[[ Argument wrapper. This function provides support for argument mapping defined in the configuration file so that multiple names can be transparently aliased to single internal variable. ]] function argument_wrapper( args )

   local origin = {};
   
   return setmetatable({
       ORIGIN = function( self, k )
           local dummy = self[k]; --force the variable to be loaded.
           return origin[k];
       end
   },
   {
       __index = function ( tbl, k )
           if origin[k] ~= nil then
               return nil;
           end
           
           local args, list, v = args, cfg.aliases[k];
           
           if type( list ) == 'table' then
               v, origin[k] = selectone( args, list, 'redundant_parameters' );
               if origin[k] == nil then
                   origin[k] = ; -- Empty string, not nil
               end
           elseif list ~= nil then
               v, origin[k] = args[list], list;
           else
               -- maybe let through instead of raising an error?
               -- v, origin[k] = args[k], k;
               error( cfg.messages['unknown_argument_map'] );
           end
           
           -- Empty strings, not nil;
           if v == nil then
               v = cfg.defaults[k] or ;
               origin[k] = ;
           end
           
           tbl = rawset( tbl, k, v );
           return v;
       end,
   });

end

--[[ Looks for a parameter's name in the whitelist.

Parameters in the whitelist can have three values: true - active, supported parameters false - deprecated, supported parameters nil - unsupported parameters ]] function validate( name ) local name = tostring( name ); local state = whitelist.basic_arguments[ name ];

-- Normal arguments if true == state then return true; end -- valid actively supported parameter if false == state then deprecated_parameter (); -- parameter is deprecated but still supported return true; end

-- Arguments with numbers in them name = name:gsub( "%d+", "#" ); -- replace digit(s) with # (last25 becomes last# state = whitelist.numbered_arguments[ name ]; if true == state then return true; end -- valid actively supported parameter if false == state then deprecated_parameter (); -- parameter is deprecated but still supported return true; end

return false; -- Not supported because not found or name is set to nil end

-- Formats a comment for error trapping function errorcomment( content, hidden )

   return wrap( hidden and 'hidden-error' or 'visible-error', content );

end

--[[ Sets an error condition and returns the appropriate error message. The actual placement of the error message in the output is the responsibility of the calling function. ]] function seterror( error_id, arguments, raw, prefix, suffix )

   local error_state = cfg.error_conditions[ error_id ];
   
   prefix = prefix or "";
   suffix = suffix or "";
   
   if error_state == nil then
       error( cfg.messages['undefined_error'] );
   elseif is_set( error_state.category ) then
       table.insert( z.error_categories, error_state.category );
   end
   
   local message = substitute( error_state.message, arguments );
   
   message = message .. " ([[" .. cfg.messages['help page link'] .. 
       "#" .. error_state.anchor .. "|" ..
       cfg.messages['help page label'] .. "]])";
   
   z.error_ids[ error_id ] = true;
   if inArray( error_id, { 'bare_url_missing_title', 'trans_missing_title' } )
           and z.error_ids['citation_missing_title'] then
       return , false;
   end
   
   message = table.concat({ prefix, message, suffix });
   
   if raw == true then
       return message, error_state.hidden;
   end        
       
   return errorcomment( message, error_state.hidden );

end

-- Formats a wiki style external link function externallinkid(options)

   local url_string = options.id;
   if options.encode == true or options.encode == nil then
       url_string = mw.uri.encode( url_string );
   end
   return wrap( 'id', mw.ustring.format( '%s%s[%s%s%s %s]',
       options.link, options.label, options.separator or " ",
       options.prefix, url_string, options.suffix or "",
       mw.text.nowiki(options.id)
   ));

end

-- Formats a wiki style internal link function internallinkid(options)

   return wrap( 'id', mw.ustring.format( '%s%s%s',
       options.link, options.label, options.separator or " ",
       options.prefix, options.id, options.suffix or "",
       mw.text.nowiki(options.id)
   ));

end

-- Format an external link with error checking function externallink( URL, label, source )

   local error_str = "";
   if not is_set( label ) then
       label = URL;
       if is_set( source ) then
           error_str = seterror( 'bare_url_missing_title', { wrap( 'parameter', source ) }, false, " " );
       else
           error( cfg.messages["bare_url_no_origin"] );
       end            
   end
   if not checkurl( URL ) then
       error_str = seterror( 'bad_url', {}, false, " " ) .. error_str;
   end
   return table.concat({ "[", URL, " ", safeforurl( label ), "]", error_str });

end

-- Formats a link to Amazon function amazon(id, domain)

   if not is_set(domain) then 
       domain = "com"
   elseif ( "jp" == domain or "uk" == domain ) then
       domain = "co." .. domain
   end
   local handler = cfg.id_handlers['ASIN'];
   return externallinkid({link = handler.link,
       label=handler.label , prefix="http://www.amazon."..domain.."/dp/",id=id,
       encode=handler.encode, separator = handler.separator})

end

--[[ Format LCCN link and do simple error checking. LCCN is a character string 8-12 characters long. The length of the LCCN dictates the character type of the first 1-3 characters; the rightmost eight are always digits. http://info-uri.info/registry/OAIHandler?verb=GetRecord&metadataPrefix=reg&identifier=info:lccn/

length = 8 then all digits length = 9 then lccn[1] is alpha length = 10 then lccn[1] and lccn[2] are both alpha or both digits length = 11 then lccn[1] is alpha, lccn[2] and lccn[3] are both alpha or both digits length = 12 then lccn[1] and lccn[2] are both alpha

]] function lccn(id) local handler = cfg.id_handlers['LCCN']; local err_cat = ; -- presume that LCCN is valid

local len = id:len(); -- get the length of the lccn

if 8 == len then if id:match("[^%d]") then -- if LCCN has anything but digits (nil if only digits) err_cat = ' ' .. seterror( 'bad_lccn' ); -- set an error message end elseif 9 == len then -- LCCN should be adddddddd if nil == id:match("%a%d%d%d%d%d%d%d%d") then -- does it match our pattern? err_cat = ' ' .. seterror( 'bad_lccn' ); -- set an error message end elseif 10 == len then -- LCCN should be aadddddddd or dddddddddd if id:match("[^%d]") then -- if LCCN has anything but digits (nil if only digits) ... if nil == id:match("^%a%a%d%d%d%d%d%d%d%d") then -- ... see if it matches our pattern err_cat = ' ' .. seterror( 'bad_lccn' ); -- no match, set an error message end end elseif 11 == len then -- LCCN should be aaadddddddd or adddddddddd if not (id:match("^%a%a%a%d%d%d%d%d%d%d%d") or id:match("^%a%d%d%d%d%d%d%d%d%d%d")) then -- see if it matches one of our patterns err_cat = ' ' .. seterror( 'bad_lccn' ); -- no match, set an error message end elseif 12 == len then -- LCCN should be aadddddddddd if not id:match("^%a%a%d%d%d%d%d%d%d%d%d%d") then -- see if it matches our pattern err_cat = ' ' .. seterror( 'bad_lccn' ); -- no match, set an error message end else err_cat = ' ' .. seterror( 'bad_lccn' ); -- wrong length, set an error message end

return externallinkid({link = handler.link, label = handler.label, prefix=handler.prefix,id=id,separator=handler.separator, encode=handler.encode}) .. err_cat; end

--[[ Format PMID and do simple error checking. PMIDs are sequential numbers beginning at 1 and counting up. This code checks the PMID to see that it contains only digits and is less than test_limit; the value in local variable test_limit will need to be updated periodically as more PMIDs are issued. ]] function pmid(id) local test_limit = 30000000; -- update this value as PMIDs approach local handler = cfg.id_handlers['PMID']; local err_cat = ; -- presume that PMID is valid

if id:match("[^%d]") then -- if PMID has anything but digits err_cat = ' ' .. seterror( 'bad_pmid' ); -- set an error message else -- PMID is only digits local id_num = tonumber(id); -- convert id to a number for range testing if 1 > id_num or test_limit < id_num then -- if PMID is outside test limit boundaries err_cat = ' ' .. seterror( 'bad_pmid' ); -- set an error message end end

return externallinkid({link = handler.link, label = handler.label, prefix=handler.prefix,id=id,separator=handler.separator, encode=handler.encode}) .. err_cat; end

--[[ Determines if a PMC identifier's online version is embargoed. Compares the date in |embargo= against today's date. If embargo date is in the future, returns true; otherwse, returns false because the embargo has expired or |embargo= not set in this cite. ]] function is_embargoed(embargo) if is_set(embargo) then local lang = mw.getContentLanguage(); local good1, embargo_date, good2, todays_date; good1, embargo_date = pcall( lang.formatDate, lang, 'U', embargo ); good2, todays_date = pcall( lang.formatDate, lang, 'U' );

if good1 and good2 and tonumber( embargo_date ) >= tonumber( todays_date ) then --is embargo date is in the future? return true; -- still embargoed end end return false; -- embargo expired or |embargo= not set end

--[[ Format a PMC, do simple error checking, and check for embargoed articles.

The embargo parameter takes a date for a value. If the embargo date is in the future the PMC identifier will not be linked to the article. If the embargo specifies a date in the past, or if it is empty or omitted, then the PMC identifier is linked to the article through the link at cfg.id_handlers['PMC'].prefix.

PMCs are sequential numbers beginning at 1 and counting up. This code checks the PMC to see that it contains only digits and is less than test_limit; the value in local variable test_limit will need to be updated periodically as more PMCs are issued. ]] function pmc(id, embargo) local test_limit = 5000000; -- update this value as PMCs approach local handler = cfg.id_handlers['PMC']; local err_cat = ; -- presume that PMC is valid

local text;

if id:match("[^%d]") then -- if PMC has anything but digits err_cat = ' ' .. seterror( 'bad_pmc' ); -- set an error message else -- PMC is only digits local id_num = tonumber(id); -- convert id to a number for range testing if 1 > id_num or test_limit < id_num then -- if PMC is outside test limit boundaries err_cat = ' ' .. seterror( 'bad_pmc' ); -- set an error message end end

if is_embargoed(embargo) then text="" .. handler.label .. ":" .. handler.separator .. id .. err_cat; --still embargoed so no external link else text = externallinkid({link = handler.link, label = handler.label, --no embargo date, ok to link to article prefix=handler.prefix,id=id,separator=handler.separator, encode=handler.encode}) .. err_cat; end return text; end

-- Formats a DOI and checks for DOI errors.

-- DOI names contain two parts: prefix and suffix separated by a forward slash. -- Prefix: directory indicator '10.' followed by a registrant code -- Suffix: character string of any length chosen by the registrant

-- This function checks a DOI name for: prefix/suffix. If the doi name contains spaces or endashes, -- or, if it ends with a period or a comma, this function will emit a bad_doi error message.

-- DOI names are case-insensitive and can incorporate any printable Unicode characters so the test for spaces, endash, -- and terminal punctuation may not be technically correct but it appears, that in practice these characters are rarely if ever used in doi names.

function doi(id, inactive)

   local cat = ""
   local handler = cfg.id_handlers['DOI'];
   
   local text;

if is_set(inactive) then local inactive_year = inactive:match("%d%d%d%d") or ; -- try to get the year portion from the inactive date text = "" .. handler.label .. ":" .. id; if is_set(inactive_year) then table.insert( z.error_categories, "Wikipedia:Páginas con DOI inactivos desde " .. inactive_year ); else table.insert( z.error_categories, "Wikipedia:Páginas con DOI inactivos" ); -- when inactive doesn't contain a recognizable year end inactive = " (" .. cfg.messages['inactive'] .. " " .. inactive .. ")" else text = externallinkid({link = handler.link, label = handler.label, prefix=handler.prefix,id=id,separator=handler.separator, encode=handler.encode}) inactive = "" end

if nil == id:match("^10%.[^%s–]-/[^%s–]-[^%.,]$") then -- doi must begin with '10.', must contain a fwd slash, must not contain spaces or endashes, and must not end with period or comma cat = ' ' .. seterror( 'bad_doi' ); end return text .. inactive .. cat end

-- Formats an OpenLibrary link, and checks for associated errors. function openlibrary(id)

   local code = id:sub(-1,-1)
   local handler = cfg.id_handlers['OL'];
   if ( code == "A" ) then
       return externallinkid({link=handler.link, label=handler.label,
           prefix="http://openlibrary.org/authors/OL",id=id, separator=handler.separator,
           encode = handler.encode})
   elseif ( code == "M" ) then
       return externallinkid({link=handler.link, label=handler.label,
           prefix="http://openlibrary.org/books/OL",id=id, separator=handler.separator,
           encode = handler.encode})
   elseif ( code == "W" ) then
       return externallinkid({link=handler.link, label=handler.label,
           prefix= "http://openlibrary.org/works/OL",id=id, separator=handler.separator,
           encode = handler.encode})
   else
       return externallinkid({link=handler.link, label=handler.label,
           prefix= "http://openlibrary.org/OL",id=id, separator=handler.separator,
           encode = handler.encode}) .. 
           ' ' .. seterror( 'bad_ol' );
   end

end

--[[ Validate and format an issn. This code fixes the case where an editor has included an ISSN in the citation but has separated the two groups of four digits with a space. When that condition occurred, the resulting link looked like this:

|issn=0819 4327 gives: 4327 0819 4327 -- can't have spaces in an external link

This code now prevents that by inserting a hyphen at the issn midpoint. It also validates the issn for length and makes sure that the checkdigit agrees with the calculated value. Incorrect length (8 digits), characters other than 0-9 and X, or checkdigit / calculated value mismatch will all cause a check issn error message. The issn is always displayed with a hyphen, even if the issn was given as a single group of 8 digits. ]] function issn(id) local ModuloIdentificadores = require('Módulo:Identificadores') local issn_copy = id; -- save a copy of unadulterated issn; use this version for display if issn does not validate local handler = cfg.id_handlers['ISSN']; local text; local valid_issn = true;

id=id:gsub( "[%s-–]", "" ); -- strip spaces, hyphens, and ndashes from the issn

if 8 ~= id:len() or nil == id:match( "^%d*X?$" ) then -- validate the issn: 8 didgits long, containing only 0-9 or X in the last position valid_issn=false; -- wrong length or improper character else valid_issn=ModuloIdentificadores.esValidoISXN(id, 8); -- validate issn end

if true == valid_issn then id = string.sub( id, 1, 4 ) .. "-" .. string.sub( id, 5 ); -- if valid, display correctly formatted version else id = issn_copy; -- if not valid, use the show the invalid issn with error message end

text = externallinkid({link = handler.link, label = handler.label, prefix=handler.prefix,id=id,separator=handler.separator, encode=handler.encode})

if false == valid_issn then text = text .. ' ' .. seterror( 'bad_issn' ) -- add an error message if the issn is invalid end

return text end

--[[ This function sets default title types (equivalent to the citation including |type=<default value>) for those citations that have defaults. Also handles the special case where it is desireable to omit the title type from the rendered citation (|type=none). ]] function set_titletype(cite_class, title_type) if is_set(title_type) then if "none" == title_type then title_type = ""; -- if |type=none then type parameter not displayed end return title_type; -- if |type= has been set to any other value use that value end

-- if "AV media notes" == cite_class or "DVD notes" == cite_class then -- if this citation is cite AV media notes or cite DVD notes if "notas audiovisual" == cite_class or "notas de DVD" == cite_class then -- if this citation is cite AV media notes or cite DVD notes return "Media notes"; -- display AV media notes / DVD media notes annotation -- Falta traducir

elseif "podcast" == cite_class then -- if this citation is cite podcast return "Podcast"; -- display podcast annotation

elseif "pressrelease" == cite_class then -- if this citation is cite press release return "Press release"; -- display press release annotation

elseif "techreport" == cite_class then -- if this citation is cite techreport return "Technical report"; -- display techreport annotation

elseif "tesis" == cite_class then -- if this citation is cite thesis (degree option handled after this function returns) return "Tesis"; -- display simple thesis annotation (without |degree= modification) end end

--[[ Determines whether a URL string is valid

At present the only check is whether the string appears to be prefixed with a URI scheme. It is not determined whether the URI scheme is valid or whether the URL is otherwise well formed. ]] function checkurl( url_str )

   -- Protocol-relative or URL scheme
   return url_str:sub(1,2) == "//" or url_str:match( "^[^/]*:" ) ~= nil;

end

-- Removes irrelevant text and dashes from ISBN number -- Similar to that used for Special:BookSources function cleanisbn( isbn_str )

   return isbn_str:gsub( "[^-0-9X]", "" );

end

-- Extract page numbers from external wikilinks in any of the |page=, |pages=, or |at= parameters for use in COinS. function get_coins_pages (pages) if not is_set (pages) then return pages; end -- if no page numbers then we're done

   while true do

pattern = pages:match("%[([%w/:\.]+%s+)[%w%d].*%]"); -- pattern is the opening bracket, the url and following space(s): "[url " if nil == pattern then break; end -- no more urls pages = pages:gsub(pattern, ""); -- remove as many instances of pattern as possible end pages = pages:gsub("[%[%]]", ""); -- remove the brackets pages = pages:gsub("–", "-" ); -- replace endashes with hyphens pages = pages:gsub("&%w+;", "-" ); -- and replace html entities (– etc) with hyphens; do we need to replace numerical entities like and the like? return pages; end

-- Gets the display text for a wikilink like B or B gives B function removewikilink( str )

   return (str:gsub( "%[%[([^%[%]]*)%]%]", function(l)
       return l:gsub( "^[^|]*|(.*)$", "%1" ):gsub("^%s*(.-)%s*$", "%1");
   end));

end

-- Escape sequences for content that will be used for URL descriptions function safeforurl( str )

   if str:match( "%[%[.-%]%]" ) ~= nil then 
       table.insert( z.message_tail, { seterror( 'wikilink_in_url', {}, true ) } );
   end
   
   return str:gsub( '[%[%]\n]', {    
       ['['] = '[',
       [']'] = ']',
       ['\n'] = ' ' } );

end

-- Converts a hyphen to a dash function hyphentodash( str )

   if not is_set(str) or str:match( "[%[%]{}<>]" ) ~= nil then
       return str;
   end    
   return str:gsub( '-', '–' );

end

-- Protects a string that will be wrapped in wiki italic markup ... function safeforitalics( str )

   --[[ Note: We can not use  for italics, as the expected behavior for
   italics specified by ... in the title is that they will be inverted
   (i.e. unitalicized) in the resulting references.  In addition,  and 
   tend to interact poorly under Mediawiki's HTML tidy. ]]
   
   if not is_set(str) then
       return str;
   else
       if str:sub(1,1) == "'" then str = "" .. str; end
       if str:sub(-1,-1) == "'" then str = str .. ""; end
       
       -- Remove newlines as they break italics.
       return str:gsub( '\n', ' ' );
   end

end

--[[ Joins a sequence of strings together while checking for duplicate separation characters. ]] function safejoin( tbl, duplicate_char )

   --[[
   Note: we use string functions here, rather than ustring functions.
   
   This has considerably faster performance and should work correctly as 
   long as the duplicate_char is strict ASCII.  The strings
   in tbl may be ASCII or UTF8.
   ]]
   
   local str = ;
   local comp = ;
   local end_chr = ;
   local trim;
   for _, value in ipairs( tbl ) do
       if value == nil then value = ; end
       
       if str ==  then
           str = value;
       elseif value ~=  then
           if value:sub(1,1) == '<' then
               -- Special case of values enclosed in spans and other markup.
               comp = value:gsub( "%b<>", "" );
           else
               comp = value;
           end
           
           if comp:sub(1,1) == duplicate_char then
               trim = false;
               end_chr = str:sub(-1,-1);
               -- str = str .. "<HERE(enchr=" .. end_chr.. ")"
               if end_chr == duplicate_char then
                   str = str:sub(1,-2);
               elseif end_chr == "'" then
                   if str:sub(-3,-1) == duplicate_char .. "" then
                       str = str:sub(1, -4) .. "";
                   elseif str:sub(-5,-1) == duplicate_char .. "]]" then
                       trim = true;
                   elseif str:sub(-4,-1) == duplicate_char .. "]" then
                       trim = true;
                   end
               elseif end_chr == "]" then
                   if str:sub(-3,-1) == duplicate_char .. "]]" then
                       trim = true;
                   elseif str:sub(-2,-1) == duplicate_char .. "]" then
                       trim = true;
                   end
               elseif end_chr == " " then
                   if str:sub(-2,-1) == duplicate_char .. " " then
                       str = str:sub(1,-3);
                   end
               end
               if trim then
                   if value ~= comp then 
                       local dup2 = duplicate_char;
                       if dup2:match( "%A" ) then dup2 = "%" .. dup2; end
                       
                       value = value:gsub( "(%b<>)" .. dup2, "%1", 1 )
                   else
                       value = value:sub( 2, -1 );
                   end
               end
           end
           str = str .. value;
       end
   end
   return str;

end

-- Attempts to convert names to initials. function reducetoinitials(first)

   local initials = {}
   for word in string.gmatch(first, "%S+") do
       table.insert(initials, string.sub(word,1,1)) -- Vancouver format does not include full stops.
   end
   return table.concat(initials) -- Vancouver format does not include spaces.

end

-- Formats a list of people (e.g. authors / editors) function listpeople(control, people)

   local sep = control.sep;
   local namesep = control.namesep
   local format = control.format
   local maximum = control.maximum
   local lastauthoramp = control.lastauthoramp;
   local text = {}
   local etal = false;
   
   if sep:sub(-1,-1) ~= " " then sep = sep .. " " end
   if maximum ~= nil and maximum < 1 then return "", 0; end
   
   for i,person in ipairs(people) do
       if is_set(person.last) then
           local mask = person.mask
           local one
           local sep_one = sep;
           if maximum ~= nil and i > maximum then
               etal = true;
               break;
           elseif (mask ~= nil) then
               local n = tonumber(mask)
               if (n ~= nil) then
                   one = string.rep("—",n)
               else
                   one = mask;
                   sep_one = " ";
               end
           else
               one = person.last
               local first = person.first
               if is_set(first) then 
                   if ( "vanc" == format ) then first = reducetoinitials(first) end
                   one = one .. namesep .. first 
               end
               if is_set(person.link) then one = "" .. one .. "" end
               if is_set(person.link) and nil ~= person.link:find("//") then one = one .. " " .. seterror( 'bad_authorlink' ) end	-- check for url in author link;
           end
           table.insert( text, one )
           table.insert( text, sep_one )
       end
   end
   local count = #text / 2;
   if count > 0 then 
       if count > 1 and is_set(lastauthoramp) and not etal then
           text[#text-2] = " & ";
       end
       text[#text] = nil; 
   end
   
   local result = table.concat(text) -- construct list
   if etal then 
       local etal_text = cfg.messages['et al'];
       result = result .. " " .. etal_text;
   end
   
   -- if necessary wrap result in  tag to format in Small Caps
   if ( "scap" == format ) then result = 
       '' .. result .. '';
   end 
   return result, count

end

-- Generates a CITEREF anchor ID. function anchorid( options )

   return "CITAREF" .. table.concat( options ); --return "CITEREF" .. table.concat( options );

end

-- Gets name list from the input arguments function extractnames(args, list_name)

   local names = {};
   local i = 1;
   local last;
   
   while true do
       last = selectone( args, cfg.aliases[list_name .. '-Last'], 'redundant_parameters', i );
       if not is_set(last) then
           -- just in case someone passed in an empty parameter
           break;
       end
       names[i] = {
           last = last,
           first = selectone( args, cfg.aliases[list_name .. '-First'], 'redundant_parameters', i ),
           link = selectone( args, cfg.aliases[list_name .. '-Link'], 'redundant_parameters', i ),
           mask = selectone( args, cfg.aliases[list_name .. '-Mask'], 'redundant_parameters', i )
       };
       i = i + 1;
   end
   return names;

end

-- Populates ID table from arguments using configuration settings function extractids( args )

   local id_list = {};
   for k, v in pairs( cfg.id_handlers ) do    
       v = selectone( args, v.parameters, 'redundant_parameters' );
       if is_set(v) then id_list[k] = v; end
   end
   return id_list;

end

-- Takes a table of IDs and turns it into a table of formatted ID outputs. function buildidlist( id_list, options )

   local new_list, handler = {};
   
   function fallback(k) return { __index = function(t,i) return cfg.id_handlers[k][i] end } end;
   
   for k, v in pairs( id_list ) do
       -- fallback to read-only cfg
       handler = setmetatable( { ['id'] = v }, fallback(k) );
       
       if handler.mode == 'external' then
           table.insert( new_list, {handler.label, externallinkid( handler ) } );
       elseif handler.mode == 'internal' then
           table.insert( new_list, {handler.label, internallinkid( handler ) } );
       elseif handler.mode ~= 'manual' then
           error( cfg.messages['unknown_ID_mode'] );
       elseif k == 'DOI' then
           table.insert( new_list, {handler.label, doi( v, options.DoiBroken ) } );
       elseif k == 'ASIN' then
           table.insert( new_list, {handler.label, amazon( v, options.ASINTLD ) } ); 
       elseif k == 'LCCN' then
           table.insert( new_list, {handler.label, lccn( v ) } );
       elseif k == 'OL' then
           table.insert( new_list, {handler.label, openlibrary( v ) } );
       elseif k == 'PMC' then
           table.insert( new_list, {handler.label, pmc( v, options.Embargo ) } );
       elseif k == 'PMID' then
           table.insert( new_list, {handler.label, pmid( v ) } );
       elseif k == 'ISSN' then
       	table.insert( new_list, {handler.label, issn( v ) } );
       elseif k == 'ISBN' then
           --local ISBN = internallinkid( handler );
           --if not checkisbn( v ) and not is_set(options.IgnoreISBN) then
           --    ISBN = ISBN .. seterror( 'bad_isbn', {}, false, " ", "" );
           --end        	
       	local ISBN
       	if options.ISBNCorrecto or options.ISBNSugerido or is_set(options.IgnoreISBN) then
       		ISBN = internallinkid( handler );
       	else -- ISBN incorrecto.
     			ISBN = internallinkid( handler ) .. seterror( 'bad_isbn', {}, false, " ", "" );
       	end
           table.insert( new_list, {handler.label, ISBN } );                
       else
           error( cfg.messages['unknown_manual_ID'] );
       end
   end
   
   function comp( a, b )	-- used in following table.sort()
       return a[1] < b[1];
   end
   
   table.sort( new_list, comp );
   for k, v in ipairs( new_list ) do
       new_list[k] = v[2];
   end
   
   return new_list;

end

function CorregirISBN(ISBNIncorrecto) local ModuloIdentificadores = require('Módulo:Identificadores') local ISBNCorregido

-- Convertir mayúsculas ISBNCorregido = ISBNIncorrecto:upper()

-- Corregir guiones ISBNCorregido = ISBNCorregido:gsub("%–","-");

-- Eliminar ISBN del principio

   ISBNCorregido =ISBNCorregido:match("ISBN (.*)") or ISBNCorregido;

-- Eliminar separadores como "." y "," del final ISBNCorregido = ISBNCorregido:gsub("[%.,]","");

if ModuloIdentificadores.esValidoISBN(ISBNCorregido) then return ISBNCorregido end

-- Ver si se trata de un ISBN de 13 local ISBNCorregidoSin978 ISBNCorregidoSin978 = ISBNCorregido:match("^978[%s-]*(.*)") if ISBNCorregidoSin978 and ModuloIdentificadores.esValidoISBN(ISBNCorregidoSin978) then -- "978" + ISBN10 return ISBNCorregidoSin978 end

-- ISBN de 13 al que se ha quitado 978 if ModuloIdentificadores.esValidoISBN('978'..ISBNCorregido) then if ISBNCorregido:match('-') then return '978-' .. ISBNCorregido elseif ISBNCorregido:match(' ') then return '978 ' .. ISBNCorregido else return '978' .. ISBNCorregido end end

-- 13 ISBN o 13: ISBN local ISBNCorregidoSi13 ISBNCorregidoSin13 = ISBNCorregido:match("^13:?[%s]+(.*)") if ISBNCorregidoSin13 and ModuloIdentificadores.esValidoISBN(ISBNCorregidoSin13) then return ISBNCorregidoSin13 end end

function CorregirISBNs(ISBNIncorrecto1, ISBNIncorrecto2) -- Tomar aquel de los dos ISBNs correctos si uno de ellos es un ISBN10 y el -- otro el correspondiente ISBN13

local ISBN1Corregido = CorregirISBN(ISBNIncorrecto1) local ISBN2Corregido = CorregirISBN(ISBNIncorrecto2)

if ISBN1Corregido and ISBN2Corregido then -- Ambos son correctos. if ISBN1Corregido == ISBN2Corregido then -- Ambos son iguales (tras corregirse) return ISBN1Corregido end

-- Ver si uno de ellos es un ISBN10 y el otro un ISBN13 local ISBNSinDigitoControl ISBNSinDigitoControl = ISBN1Corregido:match("(.*).") if ISBNSinDigitoControl and ISBN2Corregido:match("978[%s-]*" .. ISBNSinDigitoControl) then return ISBN2Corregido end

ISBNSinDigitoControl = ISBN2Corregido:match("(.*).") if ISBNSinDigitoControl and ISBN1Corregido:match("978[%s-]*" .. ISBNSinDigitoControl) then return ISBN1Corregido end

elseif ISBN1Corregido then return ISBN1Corregido elseif ISBN2Corregido then return ISBN1Corregido end end

function SugerirISBN(ISBNIncorrecto) local ISBNSugerido

-- Ejemplos: -- 0 88254 165 x --> 0 88254 165 X -- 0-7153-5734-4. --> 0-7153-5734-4 -- 0–313–31807–7 --> 0-313-31807-7 -- ISBN(13): 9788495379092 -- 978-0-7432-9302-0 y 0-7432-9302-0 -- 9788430948949 8430948945 -- 8496702057 9788496702059 -- 0198152213, 978019815221 -- 13 978-0-511-41399-5 -- 13: 9788432238406

-- ISBN con caracteres incorrectos. ISBNSugerido=CorregirISBN(ISBNIncorrecto) if ISBNSugerido then return ISBNSugerido end

-- ISBN10, ISBN13 o ISBN13, ISBN10 local ISBN1, ISBN2 ISBN1, ISBN2 = ISBNIncorrecto:match("(.*),%s*(.*)") if is_set(ISBN1) and is_set(ISBN2) then ISBNSugerido = CorregirISBNs(ISBN1, ISBN2)

if ISBNSugerido then return ISBNSugerido end end

-- ISBN10 y ISBN13 o ISBN13 y ISBN10 ISBN1, ISBN2 = ISBNIncorrecto:match("(.*)%s+y%s+(.*)") if is_set(ISBN1) and is_set(ISBN2) then ISBNSugerido = CorregirISBNs(ISBN1, ISBN2)

if ISBNSugerido then return ISBNSugerido end end

-- ISBN10 ISBN13 o ISBN13 ISBN10 ISBN1, ISBN2 = ISBNIncorrecto:match("(.*)%s+(.*)") if is_set(ISBN1) and is_set(ISBN2) then ISBNSugerido = CorregirISBNs(ISBN1, ISBN2)

if ISBNSugerido then return ISBNSugerido end end end

-- Chooses one matching parameter from a list of parameters to consider -- Generates an error if more than one match is present. function selectone( args, possible, error_condition, index )

   local value = nil;
   local selected = ;
   local error_list = {};
   
   if index ~= nil then index = tostring(index); end
   
   -- Handle special case of "#" replaced by empty string
   if index == '1' then
       for _, v in ipairs( possible ) do
           v = v:gsub( "#", "" );
           if is_set(args[v]) then
               if value ~= nil and selected ~= v then
                   table.insert( error_list, v );
               else
                   value = args[v];
                   selected = v;
               end
           end
       end        
   end
   
   for _, v in ipairs( possible ) do
       if index ~= nil then
           v = v:gsub( "#", index );
       end
       if is_set(args[v]) then
           if value ~= nil and selected ~=  v then
               table.insert( error_list, v );
           else
               value = args[v];
               selected = v;
           end
       end
   end
   
   if #error_list > 0 then
       local error_str = "";
       for _, k in ipairs( error_list ) do
           if error_str ~= "" then error_str = error_str .. cfg.messages['parameter-separator'] end
           error_str = error_str .. wrap( 'parameter', k );
       end
       if #error_list > 1 then
           error_str = error_str .. cfg.messages['parameter-final-separator'];
       else
           error_str = error_str .. cfg.messages['parameter-pair-separator'];
       end
       error_str = error_str .. wrap( 'parameter', selected );
       table.insert( z.message_tail, { seterror( error_condition, {error_str}, true ) } );
   end
   
   return value, selected;

end

-- COinS metadata (see <http://ocoins.info/>) allows automated tools to parse -- the citation information. function COinS(data)

   if 'table' ~= type(data) or nil == next(data) then
       return ;
   end
   
   local ctx_ver = "Z39.88-2004";
   
   -- treat table strictly as an array with only set values.
   local OCinSoutput = setmetatable( {}, {
       __newindex = function(self, key, value)
           if is_set(value) then
               rawset( self, #self+1, table.concat{ key, '=', mw.uri.encode( removewikilink( value ) ) } );
           end
       end
   });
   
   if is_set(data.Chapter) then
       OCinSoutput.rft_val_fmt = "info:ofi/fmt:kev:mtx:book";
       OCinSoutput["rft.genre"] = "bookitem";
       OCinSoutput["rft.btitle"] = data.Chapter;
       OCinSoutput["rft.atitle"] = data.Title;
   elseif is_set(data.Periodical) then
       OCinSoutput.rft_val_fmt = "info:ofi/fmt:kev:mtx:journal";
       OCinSoutput["rft.genre"] = "article";
       OCinSoutput["rft.jtitle"] = data.Periodical;
       OCinSoutput["rft.atitle"] = data.Title;
   else
       OCinSoutput.rft_val_fmt = "info:ofi/fmt:kev:mtx:book";
       OCinSoutput["rft.genre"] = "book"
       OCinSoutput["rft.btitle"] = data.Title;
   end
   
   OCinSoutput["rft.place"] = data.PublicationPlace;
   OCinSoutput["rft.date"] = data.Date;
   OCinSoutput["rft.series"] = data.Series;
   OCinSoutput["rft.volume"] = data.Volume;
   OCinSoutput["rft.issue"] = data.Issue;
   OCinSoutput["rft.pages"] = data.Pages;
   OCinSoutput["rft.edition"] = data.Edition;
   OCinSoutput["rft.pub"] = data.PublisherName;
   
   for k, v in pairs( data.ID_list ) do
       local id, value = cfg.id_handlers[k].COinS;
       if k == 'ISBN' then value = cleanisbn( v ); else value = v; end
       if string.sub( id or "", 1, 4 ) == 'info' then
           OCinSoutput["rft_id"] = table.concat{ id, "/", v };
       else
           OCinSoutput[ id ] = value;
       end
   end
   
   local last, first;
   for k, v in ipairs( data.Authors ) do
       last, first = v.last, v.first;
       if k == 1 then
           if is_set(last) then
               OCinSoutput["rft.aulast"] = last;
           end
           if is_set(first) then 
               OCinSoutput["rft.aufirst"] = first;
           end
       end
       if is_set(last) and is_set(first) then
           OCinSoutput["rft.au"] = table.concat{ last, ", ", first };
       elseif is_set(last) then
           OCinSoutput["rft.au"] = last;
       end
   end
   
   OCinSoutput.rft_id = data.URL;
   OCinSoutput.rfr_id = table.concat{ "info:sid/", mw.site.server:match( "[^/]*$" ), ":", data.RawPage };
   OCinSoutput = setmetatable( OCinSoutput, nil );
   
   -- sort with version string always first, and combine.
   table.sort( OCinSoutput );
   table.insert( OCinSoutput, 1, "ctx_ver=" .. ctx_ver );  -- such as "Z39.88-2004"
   return table.concat(OCinSoutput, "&");

end

--[[ This is the main function doing the majority of the citation formatting. ]] function citation0( config, args) local ModuloIdentificadores = require('Módulo:Identificadores')

   --[[ 
   Load Input Parameters
   The argment_wrapper facillitates the mapping of multiple
   aliases to single internal variable.
   ]]
   local A = argument_wrapper( args );
   local i 
   local PPrefix = A['PPrefix']
   local PPPrefix = A['PPPrefix']
   if is_set( A['NoPP'] ) then PPPrefix = "" PPrefix = "" end
   
   -- Pick out the relevant fields from the arguments.  Different citation templates
   -- define different field names for the same underlying things.    
   local Authors = A['Authors'];
   local a = extractnames( args, 'AuthorList' );
   local Coauthors = A['Coauthors'];
   local Others = A['Others'];
   local Editors = A['Editors'];
   local e = extractnames( args, 'EditorList' );
   local Year = A['Year'];
   local wYear=Year;
   local PublicationDate = A['PublicationDate'];
   local OrigYear = A['OrigYear'];
   local Date = A['Date'];
   local wfecha = Date;
   local LayDate = A['LayDate'];
   ------------------------------------------------- Get title data
   local Title = A['Title'];
   local BookTitle = A['BookTitle'];
   local Conference = A['Conference'];
   local TransTitle = A['TransTitle'];
   local TitleNote = A['TitleNote'];
   local TitleLink = A['TitleLink'];
   local Chapter = A['Chapter'];
   local ChapterLink = A['ChapterLink'];
   local TransChapter = A['TransChapter'];
   local TitleType = A['TitleType'];
   local Degree = A['Degree'];
   local Docket = A['Docket'];
   local ArchiveURL = A['ArchiveURL'];
   local URL = A['URL']
   local URLorigin = A:ORIGIN('URL');
   local ChapterURL = A['ChapterURL'];
   local ChapterURLorigin = A:ORIGIN('ChapterURL');
   local ConferenceURL = A['ConferenceURL'];
   local ConferenceURLorigin = A:ORIGIN('ConferenceURL');
   local SinURL     = false;
   local Periodical = A['Periodical'];

local Series = A['Series'];

   local Volume = A['Volume'];
   local Issue = A['Issue'];
   local Position = ;
   local Page = A['Page'];
   local Pages = hyphentodash( A['Pages'] );	
   local At = A['At'];
   local Edition = A['Edition'];
   local PublicationPlace = A['PublicationPlace']
   local Place = A['Place'];
   
   local PublisherName = A['PublisherName'];
   local RegistrationRequired = A['RegistrationRequired'];
   local SubscriptionRequired = A['SubscriptionRequired'];
   local Via = A['Via'];
   local AccessDate = A['AccessDate'];
   local MesAcceso  = A['MesAcceso']; -- Inexistente en la plantilla original
   local AnyoAcceso  = A['AñoAcceso']; -- Inexistente en la plantilla original
   local ArchiveDate = A['ArchiveDate'];
   local Agency = A['Agency'];
   local DeadURL = A['DeadURL']
   local Language = A['Language'];
   local Format = A['Format'];
   local Ref = A['Ref'];

local DoiBroken = A['DoiBroken']; local ID = A['ID'];

   local ASINTLD = A['ASINTLD'];
   local IgnoreISBN = A['IgnoreISBN'];
   local Embargo = A['Embargo'];
   local Texto1  = A['Texto1']
   local ID_list = extractids( args );
   local ISBNCorrecto = false;
   local ISBNSugerido;
   if is_set (ID_list['ISBN']) and not is_set (IgnoreISBN)  then
   	if ModuloIdentificadores.esValidoISBN(ID_list['ISBN']) then 
   		ISBNCorrecto= true
   	else
   		ISBNSugerido = SugerirISBN(ID_list['ISBN'])
   		if ISBNSugerido then
   			ID_list['ISBN'] = ISBNSugerido
   		end
   	end
   end
   local Lista_Identificadores_Formateados={} -- Lista de identificadores con enlaces y en su caso con  los errores
   
   local Quote = A['Quote'];
   local PostScript = A['PostScript'];
   local LayURL = A['LayURL'];
   local LaySource = A['LaySource'];
   local Transcript = A['Transcript'];
   local TranscriptURL = A['TranscriptURL'] 
   local TranscriptURLorigin = A:ORIGIN('TranscriptURL');
   local sepc = A['Separator'];
   local LastAuthorAmp = A['LastAuthorAmp'];
   local no_tracking_cats = A['NoTracking'];

--these are used by cite interview local Callsign = A['Callsign']; local City = A['City']; local Cointerviewers = A['Cointerviewers']; -- deprecated local Interviewer = A['Interviewer']; -- deprecated local Program = A['Program'];

--Parámetros que no se utilizan en la plantilla inglesa local SinEd = A['SinEd'] local Extra = A['Extra']

--local variables that are not cs1 parameters

   local page_type;									-- is this needed?  Doesn't appear to be used anywhere;
   local use_lowercase = ( sepc ~= '.' );
   local this_page = mw.title.getCurrentTitle();		--Also used for COinS and for language

-- local anchor_year; -- used in the CITEREF identifier local COinS_date; -- used in the COinS metadata

--check this page to see if it is in one of the namespaces that cs1 is not supposed to add to the error categories. if not is_set(no_tracking_cats) then -- ignore if we are already not going to categorize this page for k, v in pairs( cfg.uncategorized_namespaces ) do -- otherwise, spin through the list of namespaces we don't include in error categories if this_page.nsText == v then -- if we find one no_tracking_cats = "true"; -- set no_trackin_cats break; -- and we're done

           end
       end
   end

-- check for extra |page=, |pages= or |at= parameters.

   if is_set(Page) then

-- La categoría de la plantilla inglesa es intraducible. Utilizo otro error similar.

       --if is_set(Pages) or is_set(At) then
       --    Page = Page .. " " .. seterror('extra_pages');	-- add error message
       --    Pages = ;										-- unset the others
       --    At = ;
       --end
       if is_set(Pages) then
           Page = Page .. " " .. seterror('redundant_parameters', '|página= y |páginas=');
           Pages = ;										-- unset the others
           At = ;
       elseif is_set(At) then
           Page = Page .. " " .. seterror('redundant_parameters', '|página= y |en=');
           Pages = ;										-- unset the others
           At = ;        	
       end
   elseif is_set(Pages) then
       if is_set(At) then
           -- Pages = Pages .. " " .. seterror('extra_pages');	-- add error messages
           Pages = Pages .. " " .. seterror('redundant_parameters', '|páginas= y |en=');
           At = ;											-- unset
       end
   end    

-- both |publication-place= and |place= (|location=) allowed if different

   if not is_set(PublicationPlace) and is_set(Place) then
       PublicationPlace = Place;							-- promote |place= (|location=) to |publication-place
   end
   
   if PublicationPlace == Place then Place = ; end		-- don't need both if they are the same
   

--[[ Parameter remapping for cite encyclopedia: When the citation has these parameters: |encyclopedia and |title then map |title to |article and |encyclopedia to |title |encyclopedia and |article then map |encyclopedia to |title |encyclopedia then map |encyclopedia to |title

|trans_title maps to |trans_chapter when |title is re-mapped

All other combinations of |encyclopedia, |title, and |article are not modified ]] -- if ( config.ClaseCita == "encyclopaedia" ) then if ( config.ClaseCita == "enciclopedia" ) then if is_set(Periodical) then -- Periodical is set when |encyclopedia is set if is_set(Title) then if not is_set(Chapter) then Chapter = Title; -- |encyclopedia and |title are set so map |title to |article and |encyclopedia to |title TransChapter = TransTitle; Title = Periodical; Periodical = ; -- redundant so unset TransTitle = ; -- redundant so unset end else -- |title not set Title = Periodical; -- |encyclopedia set and |article set or not set so map |encyclopedia to |title Periodical = ; -- redundant so unset end end end

--special cases for citation. if (config.ClaseCita == "citation") then -- for citation templates if not is_set (sepc) then -- if |separator= is not set sepc = ','; -- set citation separator to its default (comma) end else -- not a citation template if not is_set (sepc) then -- if |separator= has not been set sepc = '.'; -- set cite xxx separator to its default (period) end end

if not is_set (Ref) then -- if |ref= is not set if inArray(config.ClaseCita, {"citation", "libro", "publicación"}) then -- for citation templates -- En la Wikipedia inglesa solo se usan citas Harvard para la clase citation Ref = "harv"; -- set default |ref=harv end end

-- check for specital case where |separator=none if 'none' == sepc:lower() then -- if |separator=none sepc = ; -- then set it to a empty string end

-- Special case for cite techreport. if (config.ClaseCita == "techreport") then -- special case for cite techreport if is_set(Issue) then -- cite techreport uses 'number', which other citations aliase to 'issue' if not is_set(ID) then -- can we use ID for the "number"? ID = Issue; -- yes, use it Issue = ""; -- unset Issue so that "number" isn't duplicated in the rendered citation or COinS metadata else -- can't use ID so emit error message ID = ID .. " " .. seterror('redundant_parameters', '|id= and |number='); end end -- special case for cite interview elseif (config.ClaseCita == "interview") then if is_set(Program) then ID = ' ' .. Program; end if is_set(Callsign) then if is_set(ID) then ID = ID .. sepc .. ' ' .. Callsign; else ID = ' ' .. Callsign; end end if is_set(City) then if is_set(ID) then ID = ID .. sepc .. ' ' .. City; else ID = ' ' .. City; end end

if is_set(Interviewer) then if is_set(TitleType) then Others = ' ' .. TitleType .. ' with ' .. Interviewer; TitleType = ; else Others = ' ' .. 'Interview with ' .. Interviewer; end if is_set(Cointerviewers) then Others = Others .. sepc .. ' ' .. Cointerviewers; end else Others = '(Interview)'; end elseif is_set(ID) then ID = wrap( 'id', ID) end

--Account for the oddity that is Plantilla:Cite journal with |pmc= set and |url= not set -- if config.ClaseCita == "journal" and not is_set(URL) and is_set(ID_list['PMC']) then if config.ClaseCita == "publicación" and not is_set(URL) and is_set(ID_list['PMC']) then if not is_embargoed(Embargo) then URL=cfg.id_handlers['PMC'].prefix .. ID_list['PMC']; -- set url to be the same as the PMC external link if not embargoed URLorigin = cfg.id_handlers['PMC'].parameters[1]; -- set URLorigin to parameter name for use in error message if citation is missing a |title= end end

   if is_set(Texto1) and Texto1:match("%S+") then
       -- Informar la URL con el valor del campo 1 en su caso    	
   	if config.ClaseCita == "web" and not is_set(URL) and checkurl(Texto1) then
      	    table.insert( z.message_tail, { seterror( 'url_sugerida', {Texto1, 'url'}, true ) } )
   	    --URL    = Texto1   Utilizar URL como texto.
   	else
   		table.insert( z.message_tail, { seterror( 'text_ignored', {Texto1}, true ) } )
   	end
   end

-- Account for the oddity that is Plantilla:Cite conference, before generation of COinS data. --TODO: if this is only for Plantilla:Cite conference, shouldn't we be checking? (if config.ClaseCita=='conference' then ...) if is_set(BookTitle) then Chapter = Title; ChapterLink = TitleLink; TransChapter = TransTitle; Title = BookTitle; TitleLink = ; TransTitle = ; end

-- Account for the oddity that is Plantilla:Cite episode, before generation of COinS data. --[[ -- Plantilla:Cite episode is not currently supported by this module if config.ClaseCita == "episode" then local AirDate = A['AirDate']; local SeriesLink = A['SeriesLink']; local Season = A['Season']; local SeriesNumber = A['SeriesNumber']; local Network = A['Network']; local Station = A['Station']; local s, n = {}, {}; local Sep = (first_set(A["SeriesSeparator"], A["Separator"]) or "") .. " ";

if is_set(Issue) then table.insert(s, cfg.messages["episode"] .. " " .. Issue); Issue = ; end if is_set(Season) then table.insert(s, cfg.messages["season"] .. " " .. Season); end if is_set(SeriesNumber) then table.insert(s, cfg.messages["series"] .. " " .. SeriesNumber); end if is_set(Network) then table.insert(n, Network); end if is_set(Station) then table.insert(n, Station); end

Date = Date or AirDate; Chapter = Title; ChapterLink = TitleLink; TransChapter = TransTitle; Title = Series; TitleLink = SeriesLink; TransTitle = ;

Series = table.concat(s, Sep); ID = table.concat(n, Sep); end -- end of Plantilla:Cite episode stuff]]

-- legacy: promote concatenation of |day=, |month=, and |year= to Date if Date not set; or, promote PublicationDate to Date if neither Date nor Year are set. if not is_set(Date) then Date = Year; -- promote Year to Date Year = nil; -- make nil so Year as empty string isn't used for CITEREF if is_set(Date) then local Month = A['Month']; if is_set(Month) then Date = Month .. " de " .. Date; --Month .. " " .. Date; local Day = A['Day'] if is_set(Day) then Date = Day .. " de " .. Date end --if is_set(Day) then Date = Day .. " " .. Date end end elseif is_set(PublicationDate) then -- use PublicationDate when |date= and |year= are not set Date = PublicationDate; -- promonte PublicationDate to Date PublicationDate = ; -- unset, no longer needed end end

if PublicationDate == Date then PublicationDate = ; end -- if PublicationDate is same as Date, don't display in rendered citation


--[[ Go test all of the date-holding parameters for valid MOS:DATE format and make sure that dates are real dates. This must be done before we do COinS because here is where we get the date used in the metadata.

Date validation supporting code is in Módulo:Citas/ValidaciónFechas ]]

--[[ anchor_year, COinS_date, error_message = dates({['accessdate']=AccessDate, ['airdate']=AirDate, ['archivedate']=ArchiveDate, ['date']=Date, ['doi_brokendate']=DoiBroken, ['embargo']=Embargo, ['laydate']=LayDate, ['publicationdate']=PublicationDate, ['year']=Year}); if is_set(error_message) then table.insert( z.message_tail, { seterror( 'bad_date', {error_message}, true ) } ); -- add this error message end ]] -- At this point fields may be nil if they weren't specified in the template use. We can use that fact.

   -- COinS metadata (see <http://ocoins.info/>) for
   -- automated parsing of citation information.
   local OCinSoutput = COinS{
       ['Periodical'] = Periodical,
       ['Chapter'] = Chapter,
       ['Title'] = Title,
       ['PublicationPlace'] = PublicationPlace,
       ['Date'] = first_set(COinS_date, Date),		-- COinS_date has correctly formatted date if Date is valid; any reason to keep Date here?  Should we be including invalid dates in metadata?
       ['Series'] = Series,
       ['Volume'] = Volume,
       ['Issue'] = Issue,
       ['Pages'] = get_coins_pages (first_set(Page, Pages, At)),	-- pages stripped of external links
       ['Edition'] = Edition,
       ['PublisherName'] = PublisherName,
       ['URL'] = first_set( URL, ChapterURL ),
       ['Authors'] = a,
       ['ID_list'] = ID_list,
       ['RawPage'] = this_page.prefixedText,
   };
   if is_set(Periodical) and not is_set(Chapter) and is_set(Title) then
       Chapter = Title;
       ChapterLink = TitleLink;
       TransChapter = TransTitle;
       Title = ;
       TitleLink = ;
       TransTitle = ;
   end
   -- Now perform various field substitutions.
   -- We also add leading spaces and surrounding markup and punctuation to the
   -- various parts of the citation, but only when they are non-nil.
   if not is_set(Authors) then
       local Maximum = tonumber( A['DisplayAuthors'] );
       
       -- Preserve old-style implicit et al.
       if not is_set(Maximum) and #a == 9 then 
           Maximum = 8;
           table.insert( z.message_tail, { seterror('implict_etal_author', {}, true ) } );
       elseif not is_set(Maximum) then
           Maximum = #a + 1;
       end
           
       local control = { 
           sep = A["AuthorSeparator"] .. " ",
           namesep = (first_set(A["AuthorNameSeparator"], A["NameSeparator"]) or "") .. " ",
           format = A["AuthorFormat"],
           maximum = Maximum,
           lastauthoramp = LastAuthorAmp
       };
       
       -- If the coauthor field is also used, prevent ampersand and et al. formatting.
       if is_set(Coauthors) then
           control.lastauthoramp = nil;
           control.maximum = #a + 1;
       end
       
       Authors = listpeople(control, a) 
   end

if not is_set(Authors) and is_set(Coauthors) then -- coauthors aren't displayed if one of authors=, authorn=, or lastn= isn't specified table.insert( z.message_tail, { seterror('coauthors_missing_author', {}, true) } ); -- emit error message

-- Utilizo temporalmente los coautores como autores. Authors = Coauthors Coauthors = nil end

   local EditorCount
   if not is_set(Editors) then
       local Maximum = tonumber( A['DisplayEditors'] );
       -- Preserve old-style implicit et al.
       if not is_set(Maximum) and #e == 4 then 
           Maximum = 3;
           table.insert( z.message_tail, { seterror('implict_etal_editor', {}, true) } );
       elseif not is_set(Maximum) then
           Maximum = #e + 1;
       end
       local control = { 
           sep = A["EditorSeparator"] .. " ",
           namesep = (first_set(A["EditorNameSeparator"], A["NameSeparator"]) or "") .. " ",
           format = A['EditorFormat'],
           maximum = Maximum,
           lastauthoramp = LastAuthorAmp
       };
       Editors, EditorCount = listpeople(control, e);
   else
       EditorCount = 1;
   end
   local Cartography = "";
   local Scale = "";
   if config.ClaseCita == "map" then
       if not is_set( Authors ) and is_set( PublisherName ) then
           Authors = PublisherName;
           PublisherName = "";
       end
       Cartography = A['Cartography'];
       if is_set( Cartography ) then
           Cartography = sepc .. " " .. wrap( 'cartography', Cartography, use_lowercase );
       end        
       Scale = A['Scale'];
       if is_set( Scale ) then
           Scale = sepc .. " " .. Scale;
       end        
   end
   
   if  not is_set(URL) and
       not is_set(ChapterURL) and
       not is_set(ArchiveURL) and
       not is_set(ConferenceURL) and
       not is_set(TranscriptURL) then
       
       sinURL = true
       
       -- Test if cite web or cite podcast |url= is missing or empty 

if inArray(config.ClaseCita, {"web","podcast"}) then table.insert( z.message_tail, { seterror( 'cite_web_url', {}, true ) } ); end

       -- Test if format is given without giving a URL
       if is_set(Format) then
           Format = Format .. seterror( 'format_missing_url' );
       end
   end
   
   -- Test if citation has no title
   if  not is_set(Chapter) and
       not is_set(Title) and
       not is_set(Periodical) and
       not is_set(Conference) and
       not is_set(TransTitle) and
       not is_set(TransChapter) then
       table.insert( z.message_tail, { seterror( 'citation_missing_title', {}, true ) } );
   end
   
   Format = is_set(Format) and " " .. wrap( 'format', Format ) or ""; --is_set(Format) and " (" .. Format .. ")" or "";
   
   local OriginalURL = URL
   DeadURL = DeadURL:lower();
   if is_set( ArchiveURL ) then
       if ( DeadURL ~= "no" ) then
           URL = ArchiveURL
           URLorigin = A:ORIGIN('ArchiveURL')
       end
   end
   
   -- Format chapter / article title
   if is_set(Chapter) and is_set(ChapterLink) then 
       Chapter = "" .. Chapter .. "";
   end
   if is_set(Periodical) and is_set(Title) then
       Chapter = wrap( 'italic-title', Chapter );
       TransChapter = wrap( 'trans-italic-title', TransChapter );
   else

Chapter = kern_quotes (Chapter); -- if necessary, separate chapter title's leading and trailing quote marks from Module provided quote marks

       Chapter = wrap( 'quoted-title', Chapter );
       TransChapter = wrap( 'trans-quoted-title', TransChapter );
   end
   
   local TransError = ""
   if is_set(TransChapter) then
       if not is_set(Chapter) then
           TransError = " " .. seterror( 'trans_missing_chapter' );
       else
           TransChapter = " " .. TransChapter;
       end
   end
   
   Chapter = Chapter .. TransChapter;
   
   if is_set(Chapter) then
       if not is_set(ChapterLink) then
           if is_set(ChapterURL) then
               Chapter = externallink( ChapterURL, Chapter ) .. TransError;
               if not is_set(URL) then
                   Chapter = Chapter .. Format;
                   Format = "";
               end
           elseif is_set(URL) then 
               Chapter = externallink( URL, Chapter ) .. TransError .. Format;
               URL = "";
               Format = "";
           else
               Chapter = Chapter .. TransError;
           end            
       elseif is_set(ChapterURL) then
           Chapter = Chapter .. " " .. externallink( ChapterURL, nil, ChapterURLorigin ) .. 
               TransError;
       else
           Chapter = Chapter .. TransError;
       end
       Chapter = Chapter .. sepc .. " " -- with end-space
   elseif is_set(ChapterURL) then
       Chapter = " " .. externallink( ChapterURL, nil, ChapterURLorigin ) .. sepc .. " ";
   end        
   
   -- Format main title.
   if is_set(TitleLink) and is_set(Title) then
       Title = "" .. Title .. ""
   end
   
   if is_set(Periodical) then

Title = kern_quotes (Title); -- if necessary, separate title's leading and trailing quote marks from Module provided quote marks

       Title = wrap( 'quoted-title', Title );
       TransTitle = wrap( 'trans-quoted-title', TransTitle );

-- elseif inArray(config.ClaseCita, {"web","news","pressrelease","conference","podcast"}) and

   elseif inArray(config.ClaseCita, {"web","noticia","pressrelease","conference","podcast"}) and    	
           not is_set(Chapter) then

Title = kern_quotes (Title); -- if necessary, separate title's leading and trailing quote marks from Module provided quote marks

       Title = wrap( 'quoted-title', Title );
       TransTitle = wrap( 'trans-quoted-title', TransTitle );
   else
       Title = wrap( 'italic-title', Title );
       TransTitle = wrap( 'trans-italic-title', TransTitle );
   end
   
   TransError = "";
   if is_set(TransTitle) then
       if not is_set(Title) then
           TransError = " " .. seterror( 'trans_missing_title' );
       else
           TransTitle = " " .. TransTitle;
       end
   end
   
   Title = Title .. TransTitle;
   
   if is_set(Title) then
       if not is_set(TitleLink) and is_set(URL) then 
           Title = externallink( URL, Title ) .. TransError .. Format       
           URL = "";
           TieneURL = true;
           Format = "";
       else
           Title = Title .. TransError;
       end
   end
   
   if is_set(Place) then
       Place = " " .. wrap( 'written', Place, use_lowercase ) .. sepc .. " ";
   end
   
   if is_set(Conference) then
       if is_set(ConferenceURL) then
           Conference = externallink( ConferenceURL, Conference );
       end
       Conference = sepc .. " " .. Conference
   elseif is_set(ConferenceURL) then
       Conference = sepc .. " " .. externallink( ConferenceURL, nil, ConferenceURLorigin );
   end
   
   if not is_set(Position) then
       local Minutes = A['Minutes'];
       if is_set(Minutes) then
           Position = " " .. Minutes .. " " .. cfg.messages['minutes'];
       else
           local Time = A['Time'];
           if is_set(Time) then
               local TimeCaption = A['TimeCaption']
               if not is_set(TimeCaption) then
                   TimeCaption = cfg.messages['event'];
                   if sepc ~= '.' then
                       TimeCaption = TimeCaption:lower();
                   end
               end
               Position = " " .. TimeCaption .. " " .. Time;
           end
       end
   else
       Position = " " .. Position;
       At = ;
   end
   
   if not is_set(Page) then
       if is_set(Pages) then
           if is_set(Periodical) and

-- not inArray(config.ClaseCita, {"encyclopaedia","web","book","news","podcast"}) then

               not inArray(config.ClaseCita, {"enciclopedia","web","libro","noticia","podcast"}) then
               Pages = ": " .. Pages;
           elseif tonumber(Pages) ~= nil then
               Pages = sepc .." " .. PPrefix .. Pages;
           else
               Pages = sepc .." " .. PPPrefix .. Pages;
           end
       end
   else
       if is_set(Periodical) and

-- not inArray(config.ClaseCita, {"encyclopaedia","web","book","news","podcast"}) then

           not inArray(config.ClaseCita, {"enciclopedia","web","libro","noticia","podcast"}) then            	
           Page = ": " .. Page;
       else
           Page = sepc .." " .. PPrefix .. Page;
       end
   end
   
   At = is_set(At) and (sepc .. " " .. At) or "";
   Position = is_set(Position) and (sepc .. " " .. Position) or "";
   if config.ClaseCita == 'map' then
       local Section = A['Section'];
       local Inset = A['Inset'];
       if first_set( Pages, Page, At ) ~= nil or sepc ~= '.' then
           if is_set( Section ) then
               Section = ", " .. wrap( 'section', Section, true );
           end
           if is_set( Inset ) then
               Inset = ", " .. wrap( 'inset', Inset, true );
           end
       else
           if is_set( Section ) then
               Section = sepc .. " " .. wrap( 'section', Section, use_lowercase );
               if is_set( Inset ) then
                   Inset = ", " .. wrap( 'inset', Inset, true );
               end
           elseif is_set( Inset ) then
               Inset = sepc .. " " .. wrap( 'inset', Inset, use_lowercase );
           end            
       end            
       At = At .. Section .. Inset;        
   end    

--[[Look in the list of iso639-1 language codes to see if the value provided in the language parameter matches one of them. If a match is found, use that value; if not, then use the value that was provided with the language parameter.

Categories are assigned in a manner similar to the Plantilla:Xx icon templates - categorizes only mainspace citations and only when the language code is not 'en' (English). ]]

if is_set (Language) then -- Poner en minúsculas el primer caracter del idioma si está en mayúsculas Language = Language:gsub("^%u", string.lower)

if Language == 'español' or Language == 'castellano' or Language == 'es' then Language=""; -- No mostrar el idioma español else local name = mw.language.fetchLanguageName( Language:lower(), "es" ); -- experiment: this seems to return correct ISO 639-1 language names

if is_set (name) then Language=" " .. wrap( 'language', name ); else Language=" " .. wrap( 'language', Language ); -- no match, use parameter's value end end

else Language=""; -- Asegurarnos de que el idioma no es nulo. end

Others = is_set(Others) and (sepc .. " " .. Others) or "";

-- handle type parameter for those CS1 citations that have default values

-- if inArray(config.ClaseCita, {"AV media notes", "DVD notes", "podcast", "pressrelease", "techreport", "thesis"}) then if inArray(config.ClaseCita, {"notas audiovisual", "notas de DVD", "podcast", "pressrelease", "techreport", "tesis"}) then TitleType = set_titletype (config.ClaseCita, TitleType); if is_set(Degree) and "Tesis" == TitleType then -- special case for cite thesis TitleType = "Tesis de " .. Degree; end end

if is_set(TitleType) then -- if type parameter is specified TitleType = " (" .. TitleType .. ")"; -- display it in parentheses end

TitleNote = is_set(TitleNote) and (sepc .. " " .. TitleNote) or "";

if is_set(Edition) then if is_set(SinEd) then -- No existe el parámetro en el módulo de la wikipedia inglesa. Edition = " " .. wrap( 'sin edición', Edition ) -- No existe el parámetro en el módulo de la wikipedia inglesa. else Edition = " " .. wrap( 'edition', Edition ) end else Edition = "" end

   Issue = is_set(Issue) and (" (" .. Issue .. ")") or "";
   Series = is_set(Series) and (sepc .. " " .. Series) or "";
   OrigYear = is_set(OrigYear) and (" [" .. OrigYear .. "]") or "";
   Agency = is_set(Agency) and (sepc .. " " .. Agency) or "";
   if is_set(Volume) then
       if ( mw.ustring.len(Volume) > 4 )
         then Volume = sepc .." " .. Volume;
         else Volume = " " .. hyphentodash(Volume) .. "";
       end
   end

--[[ This code commented out while discussion continues until after week of 2014-03-23 live module update;

   if is_set(Volume) then
       if ( mw.ustring.len(Volume) > 4 )
         then Volume = sepc .. " " .. Volume;
         else
             Volume = " " .. hyphentodash(Volume) .. "";
             if is_set(Series) then Volume = sepc .. Volume;
             end
       end
   end

]]

   ------------------------------------ totally unrelated data
   --[[ Loosely mimic Plantilla:Subscription required template; Via parameter identifies a delivery source that is not the publisher; these sources often, but not always, exist
   behind a registration or paywall.  So here, we've chosen to decouple via from subscription (via has never been part of the registration required template).
   
   Subscription implies paywall; Registration does not.  If both are used in a citation, the subscription required link note is displayed. There are no error messages for this condition.
   ]]
   if is_set(Via) then
       Via = " " .. wrap( 'via', Via );
   end

if is_set(SubscriptionRequired) then

       SubscriptionRequired = sepc .. " " .. cfg.messages['subscription']; --here when 'via' parameter not used but 'subscription' is
   elseif is_set(RegistrationRequired) then
       SubscriptionRequired = sepc .. " " .. cfg.messages['registration']; --here when 'via' and 'subscription' parameters not used but 'registration' is
   end

-- if is_set(AccessDate) then

   if is_set(AccessDate)  or is_set(AnyoAcceso) then
       -- Test if accessdate is given without giving a URL
       if  sinURL then
           table.insert( z.message_tail, { seterror( 'accessdate_missing_url', {}, true ) } );
          	AccessDate = ;
       else
       	if is_set(AccessDate) then

if is_set(MesAcceso) and is_set(AnyoAcceso) then AccessDate = AccessDate .. seterror('redundant_parameters', '|fechaacceso=, |añoacceso= y |mesacceso=') elseif is_set(MesAcceso) then AccessDate = AccessDate .. seterror('redundant_parameters', '|fechaacceso= y |mesacceso=') elseif is_set(AnyoAcceso) then if string.find(AccessDate, '%sde%s') then AccessDate = AccessDate .. ' de ' .. AnyoAcceso else AccessDate = AccessDate .. seterror('redundant_parameters', '|fechaacceso= y |Añoacceso='); end end

       	elseif is_set(MesAcceso) then 
       		AccessDate = MesAcceso .. ' de ' .. AnyoAcceso
       	else 
       		AccessDate = AnyoAcceso
       	end
           local retrv_text = " " .. cfg.messages['retrieved']
           if (sepc ~= ".") then retrv_text = retrv_text:lower() end
           AccessDate = '' .. sepc
             .. substitute( retrv_text, {AccessDate} ) .. ''
       end 
   elseif is_set(MesAcceso) then 
   end
   
   if is_set(ID) then ID = sepc .." ".. ID; end
  	if "tesis" == config.ClaseCita and is_set(Docket) then

ID = sepc .." Docket ".. Docket .. ID; end

  Lista_Identificadores_Formateados = buildidlist( ID_list, {DoiBroken = DoiBroken, ASINTLD = ASINTLD, IgnoreISBN = IgnoreISBN, Embargo=Embargo, ISBNCorrecto = ISBNCorrecto, ISBNSugerido = ISBNSugerido} );
   if is_set(URL) then
       URL = " " .. externallink( URL, nil, URLorigin );
   end
   

-- Set postscript default. if not is_set (PostScript) then -- if |postscript= has not been set (Postscript is nil which is the default for Plantilla:Citation) and if (config.ClaseCita ~= "citation") then -- this template is not a citation template PostScript = '.'; -- must be a cite xxx template so set postscript to default (period) end else if PostScript:lower() == 'none' then -- if |postscript=none then PostScript = ; -- no postscript end end

   if is_set(Quote) then
   	-- Eliminar comillas de Quote
       if (Quote:sub(1,1) == '"' and Quote:sub(-1,-1) == '"') or
          (Quote:sub(1,1) == '«' and Quote:sub(-1,-1) == '»') then
           Quote = Quote:sub(2,-2);
       end
       
       -- No añadir el punto final a la cita si el campo Quote ya incluye un punto
       if Quote:sub(-1,-1) == '.' or Quote:sub(-1,-1) == '?' or
          Quote:sub(-1,-1) == '!' then
          PostScript = ""
       end
       
       Quote = sepc .." " .. wrap( 'quoted-text', Quote ); 
   end
   
   local Archived
   if is_set(ArchiveURL) then
       if not is_set(ArchiveDate) then
           ArchiveDate = seterror('archive_missing_date');
       end
       if "no" == DeadURL then
           local arch_text = cfg.messages['archived'];
           if sepc ~= "." then arch_text = arch_text:lower() end
           Archived = sepc .. " " .. substitute( cfg.messages['archived-not-dead'],
               { externallink( ArchiveURL, arch_text ), ArchiveDate } );
           if not is_set(OriginalURL) then
               Archived = Archived .. " " .. seterror('archive_missing_url');                               
           end
       elseif is_set(OriginalURL) then
           local arch_text = cfg.messages['archived-dead'];
           if sepc ~= "." then arch_text = arch_text:lower() end
           Archived = sepc .. " " .. substitute( arch_text,
               { externallink( OriginalURL, cfg.messages['original'] ), ArchiveDate } );
       else
           local arch_text = cfg.messages['archived-missing'];
           if sepc ~= "." then arch_text = arch_text:lower() end
           Archived = sepc .. " " .. substitute( arch_text, 
               { seterror('archive_missing_url'), ArchiveDate } );
       end
   else
       Archived = ""
   end
   
   local Lay
   if is_set(LayURL) then
       if is_set(LayDate) then LayDate = " (" .. LayDate .. ")" end
       if is_set(LaySource) then 
           LaySource = " – " .. safeforitalics(LaySource) .. "";
       else
           LaySource = "";
       end
       if sepc == '.' then
           Lay = sepc .. " " .. externallink( LayURL, cfg.messages['lay summary'] ) .. LaySource .. LayDate
       else
           Lay = sepc .. " " .. externallink( LayURL, cfg.messages['lay summary']:lower() ) .. LaySource .. LayDate
       end            
   else
       Lay = "";
   end
   
   if is_set(Transcript) then
       if is_set(TranscriptURL) then Transcript = externallink( TranscriptURL, Transcript ); end
   elseif is_set(TranscriptURL) then
       Transcript = externallink( TranscriptURL, nil, TranscriptURLorigin );
   end
   
   local Publisher;
   if is_set(Periodical) and

-- not inArray(config.ClaseCita, {"encyclopaedia","web","pressrelease","podcast"}) then

       not inArray(config.ClaseCita, {"enciclopedia","web","pressrelease","podcast"}) then        	
       if is_set(PublisherName) then
           if is_set(PublicationPlace) then
               Publisher = PublicationPlace .. ": " .. PublisherName;
           else
               Publisher = PublisherName;  
           end
       elseif is_set(PublicationPlace) then
           Publisher= PublicationPlace;
       else 
           Publisher = "";
       end
       if is_set(PublicationDate) then
           if is_set(Publisher) then
               Publisher = Publisher .. ", " .. wrap( 'published', PublicationDate );
           else
               Publisher = PublicationDate;
           end
       end
       if is_set(Publisher) then
           Publisher = " (" .. Publisher .. ")";
       end
   else
       if is_set(PublicationDate) then
           PublicationDate = " (" .. wrap( 'published', PublicationDate ) .. ")";
       end
       if is_set(PublisherName) then
           if is_set(PublicationPlace) then
               Publisher = sepc .. " " .. PublicationPlace .. ": " .. PublisherName .. PublicationDate;
           else
               Publisher = sepc .. " " .. PublisherName .. PublicationDate;  
           end            
       elseif is_set(PublicationPlace) then 
           Publisher= sepc .. " " .. PublicationPlace .. PublicationDate;
       else 
           Publisher = PublicationDate;
       end
   end
   
   -- Several of the above rely upon detecting this as nil, so do it last.
   if is_set(Periodical) then
       if is_set(Title) or is_set(TitleNote) then 
           Periodical = sepc .. " " .. wrap( 'italic-title', Periodical ) 
       else 
           Periodical = wrap( 'italic-title', Periodical )
       end
   end

--[[ Handle the oddity that is cite speech. This code overrides whatever may be the value assigned to TitleNote (through |department=) and forces it to be " (Speech)" so that the annotation directly follows the |title= parameter value in the citation rather than the |event= parameter value (if provided). ]] if "speech" == config.ClaseCita then -- cite speech only TitleNote = " (Speech)"; -- annotate the citation if is_set (Periodical) then -- if Periodical, perhaps because of an included |website= or |journal= parameter if is_set (Conference) then -- and if |event= is set Conference = Conference .. sepc .. " "; -- then add appropriate punctuation to the end of the Conference variable before rendering end end end

   -- Piece all bits together at last.  Here, all should be non-nil.
   -- We build things this way because it is more efficient in LUA
   -- not to keep reassigning to the same string variable over and over.
   local tcommon

-- if inArray(config.ClaseCita, {"journal","citation"}) and is_set(Periodical) then

   if inArray(config.ClaseCita, {"publicación","citation"}) and is_set(Periodical) then
       if is_set(Others) then Others = Others .. sepc .. " " end
       tcommon = safejoin( {Others, Title, TitleNote, Conference, Periodical, Format, TitleType, Scale, Series, 
           Language, Cartography, Edition, Publisher, Agency, Volume, Issue}, sepc );
   else 
       tcommon = safejoin( {Title, TitleNote, Conference, Periodical, Format, TitleType, Scale, Series, Language, 
           Volume, Issue, Others, Cartography, Edition, Publisher, Agency}, sepc );
   end
   
   if #Lista_Identificadores_Formateados > 0 then
       Lista_Identificadores_Formateados = safejoin( { sepc .. " ",  table.concat( Lista_Identificadores_Formateados, sepc .. " " ), ID }, sepc );
   else
       Lista_Identificadores_Formateados = ID;
   end
   
   local idcommon = safejoin( { Lista_Identificadores_Formateados, URL, Archived, AccessDate, Via, SubscriptionRequired, Lay, Quote }, sepc );
   local text;
   local pgtext = Position .. Page .. Pages .. At;
   
   if is_set(Authors) then
       if is_set(Coauthors) then
           Authors = Authors .. A['AuthorSeparator'] .. " " .. Coauthors
       end
       if is_set(Date) then
           Date = " ("..Date..")" .. OrigYear .. sepc .. " "
       elseif string.sub(Authors,-1,-1) == sepc then
           Authors = Authors .. " "
       else
           Authors = Authors .. sepc .. " "
       end
       if is_set(Editors) then
           local in_text = " ";
           local post_text = "";
           if is_set(Chapter) then
               in_text = in_text .. cfg.messages['in'] .. " "
           else
               if EditorCount <= 1 then
                   post_text = ", " .. cfg.messages['editor'];
               else
                   post_text = ", " .. cfg.messages['editors'];
               end
           end 
           if (sepc ~= '.') then in_text = in_text:lower() end
           Editors = in_text .. Editors .. post_text;
           if (string.sub(Editors,-1,-1) == sepc)
               then Editors = Editors .. " "
               else Editors = Editors .. sepc .. " "
           end
       end
       text = safejoin( {Authors, Date, Chapter, Place, Editors, tcommon }, sepc );
       text = safejoin( {text, pgtext, idcommon}, sepc );
   elseif is_set(Editors) then
       if is_set(Date) then
           if EditorCount <= 1 then
               Editors = Editors .. ", " .. cfg.messages['editor'];
           else
               Editors = Editors .. ", " .. cfg.messages['editors'];
           end
           Date = " (" .. Date ..")" .. OrigYear .. sepc .. " "
       else
           if EditorCount <= 1 then
               Editors = Editors .. " (" .. cfg.messages['editor'] .. ")" .. sepc .. " "
           else
               Editors = Editors .. " (" .. cfg.messages['editors'] .. ")" .. sepc .. " "
           end
       end
       text = safejoin( {Editors, Date, Chapter, Place, tcommon}, sepc );
       text = safejoin( {text, pgtext, idcommon}, sepc );
   else
       if is_set(Date) then
           if ( string.sub(tcommon,-1,-1) ~= sepc )
             then Date = sepc .." " .. Date .. OrigYear
             else Date = " " .. Date .. OrigYear
           end
       end

-- if config.ClaseCita=="journal" and is_set(Periodical) then

       if config.ClaseCita=="publicación" and is_set(Periodical) then        	
           text = safejoin( {Chapter, Place, tcommon}, sepc );
           text = safejoin( {text, pgtext, Date, idcommon}, sepc );
       else
           text = safejoin( {Chapter, Place, tcommon, Date}, sepc );
           text = safejoin( {text, pgtext, idcommon}, sepc );
       end
   end
   

if is_set(PostScript) and PostScript ~= sepc then text = safejoin( {text, sepc}, sepc ); --Deals with italics, spaces, etc. text = text:sub(1,-sepc:len()-1); -- text = text:sub(1,-2); --Remove final separator (assumes that sepc is only one character) end

   text = safejoin( {text, PostScript}, sepc );
   -- Now enclose the whole thing in a  element
   local options = {};
   
   if is_set(config.ClaseCita) and config.ClaseCita ~= "citation" then
       options.class = "citation " .. config.ClaseCita;
   else
       options.class = "citation";
   end
   
   if is_set(Ref) and Ref:lower() ~= "none" then
       local id = Ref
       if ( "harv" == Ref ) then
           local names = {} --table of last names & year
           if #a > 0 then
               for i,v in ipairs(a) do 
                   names[i] = v.last 
                   if i == 4 then break end
               end
           elseif #e > 0 then
               for i,v in ipairs(e) do 
                   names[i] = v.last 
                   if i == 4 then break end                
               end
           end

-- names[ #names + 1 ] = first_set(Year, anchor_year); -- Year first for legacy citations -- names[ #names + 1 ] = first_set(Year, ); -- Year first for legacy citations names[ #names + 1 ] = first_set(wYear, wfecha, ); -- Year first for legacy citations

           id = anchorid(names)
       end
       options.id = id;
   end
   
   if string.len(text:gsub("<span[^>/]*>.-", ""):gsub("%b<>","")) <= 2 then
       z.error_categories = {};
       text = seterror('empty_citation');
       z.message_tail = {};
   end
   
   if is_set(options.id) then 
       text = '' .. text .. "";
   else
       text = '' .. text .. "";
   end        
   local empty_span = ' ';
   
   -- Note: Using display: none on then COinS span breaks some clients.
   local OCinS = '' .. empty_span .. '';
   text = text .. OCinS;
   
   if #z.message_tail ~= 0 then
       text = text .. " ";
       for i,v in ipairs( z.message_tail ) do
           if is_set(v[1]) then
               if i == #z.message_tail then
                   text = text .. errorcomment( v[1], v[2] );
               else
                   text = text .. errorcomment( v[1] .. "; ", v[2] );
               end
           end
       end
   end
   
   no_tracking_cats = no_tracking_cats:lower();
   if inArray(no_tracking_cats, {"", "no", "false", "n"}) then
       for _, v in ipairs( z.error_categories ) do
           text = text .. ;
       end
   end
   
   return text

end

-- This is used by templates such as Plantilla:Cite book to create the actual citation text. function z.cita(frame)

   local pframe = frame:getParent()
   
   if nil ~= string.find( frame:getTitle(), 'sandbox', 1, true ) then				-- did the Error de secuencia de órdenes: se debe especificar una función a la que llamar. use sandbox version?
   	cfg       = mw.loadData('Módulo:Citas/Configuración/pruebas' );	-- load sandbox versions of Configuration and Whitelist and ...
   	whitelist = mw.loadData('Módulo:Citas/Whitelist/pruebas' );
   	dates     = require    ('Módulo:Citas/ValidaciónFechas/pruebas').dates	-- ... sandbox version of date validation code
   else																	-- otherwise
   	cfg       = mw.loadData('Módulo:Citas/Configuración' );			-- load live versions of Configuration and Whitelist and ...
   	whitelist = mw.loadData('Módulo:Citas/Whitelist' );
   	dates     = require    ('Módulo:Citas/ValidaciónFechas').dates		-- ... live version of date validation code

end

   local args = {};
   
   local suggestions = {};
   local error_text, error_state;
   local config = {};
   for k, v in pairs( frame.args ) do
       config[k] = v;
       args[k] = v;       
   end
   for k, v in pairs( pframe.args ) do
       if v ~=  then
           if not validate( k ) then            
               error_text = "";
               if type( k ) ~= 'string' then
                   -- Exclude empty numbered parameters
                   if v:match("%S+") ~= nil then
                       error_text, error_state = seterror( 'text_ignored', {v}, true );
                   end
               elseif validate( k:lower() ) then 
                   error_text, error_state = seterror( 'parameter_ignored_suggest', {k, k:lower()}, true );
               else
                   if #suggestions == 0 then
                       suggestions = mw.loadData( 'Módulo:Citas/Sugerencias' );
                   end
                   if suggestions[ k:lower() ] ~= nil then
                       error_text, error_state = seterror( 'parameter_ignored_suggest', {k, suggestions[ k:lower() ]}, true );
                   elseif k =='urltrad' then -- FALTA. No existe en la Wikipedia inglesa
                   	error_text, error_state = seterror( 'parameter_ignored_suggest_urltrad', {k}, true );-- FALTA. No existe en la Wikipedia inglesa
                   else
                       error_text, error_state = seterror( 'parameter_ignored', {k}, true );
                 end
               end                  
               if error_text ~=  then
                   table.insert( z.message_tail, {error_text, error_state} );
               end                
           end
           args[k] = v;
       elseif args[k] ~= nil or (k == 'postscript') then
           args[k] = v;
       end        
   end    
   
   return citation0( config, args)

end

return z