We don't want to allow special characters in the address. It really states which chars aren't allowed. The square brackets are required. The following string represents one word in the typical username. Basically, a word is either an atom or quoted string.
Many businesses are wary of sharing proprietary information and future plans on the Internet.
The key to collaboration, some say, is to create industry-wide standards. Wolfgang Kemna, chief executive officer of Pa.-based SAP America Inc. says the industry must have reliable ERP standards that allow companies to hook up applications from different manufacturers across the Web. But Jim Mackay, chief technology officer at Dallas-based i2 Technologies Inc. says standards will only develop .if enough businesses install collaborative technology.