External Link Symbol

[Sławomir Osipiuk]

There are actually three kinds of links that are distinguishable from each 
other:

- A link to a different location in the current document (anchor link/jump 
link)
- A link to a resource on the same network/domain as the current document 
(local link/relative link)
- A link to a resource on a different network (external link)

All those can appear as symbols, used contrastively, within a run of text. 
I'm very surprised these haven't already been encoded and that there is any 
controversy. The consortium doesn't care much for precendent, but come on, 
we have "play"and "eject" symbols encoded!