Allows you to save a web page as a MHT file.
Example
Running this code will save the URL "http://www.ubotstudio.com" to MHT file named "ubotstudio.mht".
plugin command("Document Automation.dll", "web save mht file", "http://www.ubotstudio.com", "{$special folder("Application")}\\ubotstudio.mht")
