Problematic links to archived extensions

SQL

use mediawikiwiki_p;
select pl_from_namespace, concat("Special:Redirect/page/",pl_from), pl_title
from pagelinks 
join page on page.page_namespace=pl_namespace and page.page_title=pl_title
join categorylinks on page_id=cl_from
where cl_to="Archived_extensions" 
and pl_from_namespace %2 = 0  /* not talk page */
and pl_from_namespace != 0 /* Extension Matrix lists many archived extensions*/
and pl_from_namespace != 2 /* User pages */
and pl_from_namespace != 4 /* Project:Support desk */
and pl_from_namespace != 2600 /* Flow topics */
and pl_title != "Archived_extensions_without_an_oldid" /* Actually a subcat, not an extension */
and pl_title != "Extension:Narayam/Bengali/National_Keyboard" /* Used in a template with lots of translations */
and pl_from not in (11120, 488389, 488392, 488777, 641791, 909843, 944397, /* Template:Chat extensions */
                    11527, 20341, 743035, 928382, 1028337, /* Extension:Parser function extensions */
                    67605) /* Choosing to leave [[Extension:Page Forms/Related extensions]] alone */
                    
and not exists (select 1 from page where page_id=pl_from and page_is_redirect=1)
limit 200;
SQL

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