2.2.14 [HTML5:2014] Section 4.6.3 Attributes common to ins and del elements

C0018: No way is provided for the user to follow citation links

The specification states:

 4.6.3 Attributes common to ins and del elements
     ...
     If the cite attribute is present, it must be a valid URL potentially surrounded by 
     spaces that explains the change.  ... User agents may allow users to follow such 
     citation links, but they are primarily intended for private use (e.g. by server-side 
     scripts collecting statistics about a site's edits), not for readers.

All document modes (All versions)

No way is provided for the user to follow citation links.

C0017: The datetime value is not shown to the user

The specification states:

 4.6.3 Attributes common to ins and del elements
     ...
     The datetime attribute may be used to specify the time and date of the change.
     ...
     This value may be shown to the user, but it is primarily intended for private use.

All document modes (All versions)

The datetime value is not shown to the user.