xml data that describes the relationship between elements and attributes in some other cl-ss of xml data. a schema may or may not include data type representations. xml schemas are a more advanced alternative to dtds.
xml user-interface language language (xul) an xml-based language created for the mozilla browser for development of cross-platform user interfaces. xul supports input controls such as textboxes and checkboxes, toolbars, menus, dialogs, trees, keyboard shortcuts, and more. xulplanet (http://xulplanet.com/). (2003-06-14)
xmm x-ray multi mirror
xmodem communications ward christensen’s file transfer protocol, probably the most widely available protocol used for file transfer over serial lines (e.g. between modems). xmodem uses 128-byte packets with error detection, allowing the receiver to request retransmission of a corrupted packet. xmodem is fairly slow but reliable. several variations have been proposed with increasing packet sizes […]
xmp xanthosine 5c-monophosphate