Patent ID: 7412649

Claim:
A method for editing a document written in a markup language, comprising the steps of: defining by a computer, a tree of hierarchical elements of said document comprising a first layer of hierarchical elements, a second layer of hierarchical elements, and a boundary layer of hierarchical elements according to a document type definition (DTD) or schema of the document, said boundary layer being disposed between said first layer and said second layer, wherein said hierarchical elements in said boundary layer head respective subtrees comprising a portion of said second layer of hierarchical elements, said subtrees having child elements; editing said first layer of hierarchical elements using a tree view editor; associating respective specialized editors with said hierarchical elements in said boundary layer; responsively to said associating, automatically associating said specialized editors with said child elements of said subtrees, respectively; and editing content of said hierarchical elements in said boundary layer and editing content of said-child elements of said subtrees thereof using said respective specialized editors, the specialized editors are from applications different from the application of the tree view editor.