It can also be called from anywhere now (not only from wiki pages).
git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2053 e93f8b46-1217-0410-a6f0-8f06a7374b81
Diff can be viewed from the page history, or directly from the project activity page for each edit.
Uses Lars Christensen's diff library.
git-svn-id: http://redmine.rubyforge.org/svn/trunk@583 e93f8b46-1217-0410-a6f0-8f06a7374b81