Null sequences - Wikipedia

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To an embedded anchor: This is a redirect from a topic that does not have its own page to an embedded anchor on the redirect's target page.
- An {{anchor|(anchor name)}} or {{visible anchor}} template, a HTML element with id="(anchor name)", or an |id=(anchor name) parameter might be installed at the beginning of a paragraph, in or near a section header or within a table. The anchor might also be an old section header that has been edited and is anchored within or near the new header to prevent broken internal and external links.
- Even though section headers of the general form ==(Header name)== are themselves a type of anchor, use {{R to section}} instead.

From the plural form: This is a redirect from a plural noun to its singular form.
- This redirect link is used for convenience; it is often preferable to add the plural directly after the link (for example, [[link]]s). However, do not replace these redirected links with a simpler link unless the page is updated for another reason (see WP:NOTBROKEN).
- Use this rcat to tag only mainspace redirects; when plural forms are found in other namespaces, use {{R from modification}} instead.

From an avoided double redirect: This is a redirect from an alternative title or related topic of Null sequence, another redirect to the same title. Because double redirects are disallowed, both pages currently point to Limit of a sequence#null sequence.
- If Null sequence is retargeted or is expanded into a separate article, template, or other project page, this redirect will be recategorized to be updated.

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