As mentioned in this answer from November 2010:

For intra-site links (like, SO -> SO) this is now supported.

 

https://meta.stackexchange.com/questions/49424/stack-exchange-sandbox

 

becomes*

 

Introducing the Stack Exchange Data Explorer aka SEDE

 

Like with tag rewrites this is done on post submission and is not currently reflected in the editor preview. It will always insert the current title into the post, at post creation time. However, should the title subsequently change it will not be updated unless the post is edited.

 

_{*Note that although the old title of the question is in the link, the new one is inserted.}

As mentioned in this answer from November 2010:

For intra-site links (like, SO -> SO) this is now supported.

https://meta.stackexchange.com/questions/49424/stack-exchange-sandbox

becomes*

Introducing the Stack Exchange Data Explorer aka SEDE

Like with tag rewrites this is done on post submission and is not currently reflected in the editor preview. It will always insert the current title into the post, at post creation time. However, should the title subsequently change it will not be updated unless the post is edited.

_{*Note that although the old title of the question is in the link, the new one is inserted.}