Item271: convert full url's to relative WikiWords

It would be nice if twiki would automatically make full urls relative, where appropriate. For example I'd like to be able to write (well, copy and paste actually) http://develop.twiki.org/~develop/cgi-bin/view/Bugs/ItemTemplate into a topic and have it shortened to ItemTemplate or Bugs.ItemTemplate if it's in another web.

Added bonus if it does the same for sites in the InterWiki list. For example http://twiki.org/cgi-bin/view/Codev/CoffeeBreak to TWiki:Codev/CoffeeBreak.

I spent a lot of time reformatting pasted urls and many of my users just don't bother. I'd like for them (and me!)not to have to bother.

Undeferred, post Dakar CC

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This is Item270 on TWiki, and has had no action there in 8 years. Setting this to No Action.

-- GeorgeClark - 06 Jan 2015