TracLinks: InterTrac prefixes can now be ''real'' prefixes, i.e. you can add them in front of any `<resolver>:...` link, including the `<resolver>:"..."` ones used when the target contains space characters.
Patch contributed by Oren Held, thanks!
Closes #4865.
Authored by: cboos 2010-02-26
Parent: [r9283]
Child: [r9285]
