backbone87/contao-core — comment on commit d71ed755fcd6e35cb0509caf5cb0a87fa9d47dd7
File:  line 0
By leofeyer:

Your request is very specific and not required by most of the users. Also, as discussed in #3552, there is the duplicate content problem. Since you can easily implement the feature as extension, there is no need to add it to the core.