1. A method, comprising: loading a document in an editing environment provided by an editing application; receiving data identifying at least a portion of the document; receiving data defining an instance of a publishing channel to use in exporting the identified portion of the document, the publishing channel comprising a publishing parameter specifying how the identified portion of the document is to be exported, the publishing parameter further specifying an export setting value for use in the exporting; and storing data defining the instance of the publishing channel comprising the publishing parameter specifying the export setting value as an object embedded in the document alongside data defining the document, the data defining the instance of the publishing channel referencing the identified portion of the document and a value for the export setting value.