MlView is a tree-oriented XML editor for GNOME. It is written in C++ and is heavily based on gtkmm and the GNOME libraries. Its aim is to ease XML editing, with or without validation.
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This is the initial port to the GNOME2 platform. A
new tree widget that supports drag'n'drop and
direct editing of the tree was added. Support for
a lot of new languages was added. Major
architectural changes were made.