WIP: please feel free to add more examples or comments here
a blue link `[[Page_On_This_Wiki#Introduction|The intro]]`:
* link_type: page
* page_namespace: 0
* page_title: Page_On_This_Wiki
* is_redirect: false
* page_section: Introduction
* page_id: 123
a blue link to a redirect `[[A_Redirect_To_Page_On_This_Wiki#Endtroducing]]`:
* link_type: page
* page_namespace: 0
* page_title: A_Redirect_To_Page_On_This_Wiki
* is_redirect: true
* page_section: Endtroducing
* page_id: 231
a red link `[[A_Non_Existing_Page_On_This_Wiki#Introduction]]`:
* link_type: page
* page_namespace: 0
* page_title: A_Non_Existing_Page_On_This_Wiki
* is_redirect: false
* page_section: Introduction
a template link `{{A_Template|params}}`:
* link_type: template
* page_namespace: 10
* page_title: A_Template
a category link `[[Category:A_Category}}`:
* link_type: category
* page_namespace: 14
* page_title: A_Category
a language link [[:ko:Page_On_A_Sister_Language_Wiki_In_Korean#Introduction]] (are sections handled here?, looking at the iwlinks they do not seem to be stored)