Editing Help:CS1 errors (section)

==<span id="archive_url">|archive-url= is malformed </span>==
<section begin="archive_url_help_text" />{{help desk}}{{#invoke:Cs1 documentation support|help_text_error_messages|err_archive_url|$1=&lt;reason>}}

Archive.org allows a variety of URLs to access snapshots of an archived page.  Some of these are:
: <code><nowiki>https://web.archive.org/web/YYYYMMDD</nowiki><wbr /><nowiki>hhmmss/http://www.example.com</nowiki></code> – a single snapshot; this is the preferred form for use with {{para|archive-url}}
: <code><nowiki>https://web.archive.org/web/*/http://</nowiki><wbr />www.example.com</code> – a wildcard search results page; useful for locating an appropriate snapshot but not appropriate in a citation
: <code><nowiki>https://web.archive.org/web/</nowiki><wbr />201603/<nowiki>http://www.example.com</nowiki></code> – incomplete timestamp; archive.org returns the most recent snapshot
: <code><nowiki>https://web.archive.org/save/http://</nowiki><wbr />www.example.com</code> – saves a new snapshot of the current target; do not use this form
There are two forms of the basic URL:
: <code><nowiki>https://web.archive.org/</nowiki><''timestamp''>/...</code> – the old form
: <code><nowiki>https://web.archive.org</nowiki>/'''web/'''<''timestamp''><''flags''>/...</code> – the new form
The error message identifies the reason for the message.  The reasons are:
: {{error-small|save command}} – the archive.org URL is the save command
: {{error-small|path}} – '''web/''' was expected but something else was found
: {{error-small|timestamp}} – the timestamp portion of the URL path is not 14 digits
: {{error-small|flag}} – the flag portion of the URL path (if present; new form URLs only) is not 2 lowercase letters followed by an underscore: 'id_'
: {{error-small|liveweb}} – <code>liveweb.archive.org</code> is a deprecated form of the domain name
When the archive.org URL has any of these errors, Module:Citation/CS1 does not link to archive.org in normal article view and emits an appropriate error message.

However, in article preview mode, the module creates a modified link to archive.org that uses a partial timestamp with <code>*</code> wildcard suffix. This new URL links to an archive.org calendar view so that editors may more easily select a suitable archived snapshot from those available at archive.org to fix the malformed {{para|archive-url}} link. (If no snapshots have been archived at archive.org, and the cited page is still live, this link also allows editors to save the first snapshot of the page at archive.org.)

To resolve this error, choose the URL of an appropriate snapshot from those held at archive.org. [https://archive.org/web/ Search for the target URL] at archive.org.

Pages with this error are automatically placed in {{#invoke:cs1 documentation support|help_text_cats|err_archive_url|pages=yes}}.<ref group="lower-alpha" name="categories" /><section end="archive_url_help_text" />