Add two new parameters for editing new pages:

Add two new parameters for editing new pages:

&preload=Page_name => Content of [[Page name]] will be loaded into the
textarea.

&&editintro=Page_name => Content of [[Page name]] will be used instead of
[[MediaWiki:Newarticletext]].

Respects read permissions.

Primary purpose: Customizing of edit pages for newbies, use of custom page
templates.

Possible future changes: Make preload work with &section=new, make editintro
work with any edit.