@c -*-texinfo-*-
@c This is part of the GNU edition of V.E.R.A.
@c Copyright (C) 1993/2020 Oliver Heidelbach
@c See the file vera.texi for copying conditions.
@c 
@c Syntax:
@c ACRONYM
@c Expansion[ (Reference)][, "Style"]
@c Additional explanations are included in [square brackets]

@table @asis
@item X11
X window System version 11 (X-Windows)

@item XA
eXtended Architecture (IBM, VM, ESA, VM/ESA, XC)

@item XAA
Xfree86 Acceleration Architecture (X-Windows)

@item XACML
eXtensible Access Control Markup Language (OASIS, XML)

@item XACT
Xante's Accurate Calibration Technology (Xante), "X*ACT"

@item XADES
XML ADvanced Electronic Signature (XML, ETSI, cryptography), "XAdES"

@item XAG
XML Accessibility Guidelines (XML, W3C, WWW)

@item XAML
XML Application Markup Language (XML, MS, Windows)

@item XAPIA
X.400 API Association (org., X.400, API)

@item XAVC
eXtended Advanced Video Coding (Sony, video)

@item XBEL
XML Bookmark Exchange Language (XML, PSA)

@item XBL
eXtensible Binding Language (Mozilla)

@item XBMC
XBox Media Center [old term]

@item XBMSP
XBox Media Streaming Protocol (Xbox)

@item XBP
XBase Parts (Xbase/2, OS/2, DB)

@item XBRL
Extensible Business Reporting Language (XFRML, XML)

@item XC
eXtended Configuration (IBM, ESA, VM)

@item XCBF
XML Common Biometric Format (XML)

@item XCBL
XML Common Business Library (XML), "xCBL"

@item XCCI
X Common Client Interface (X-Windows), "X CCI" 

@item XCEM
eXtensions for Control, Engineering and Manufacturing (API, MS, Windows)

@item XCHS
eXtended Cylinder Head Sectors (EIDE)

@item XCMOS
eXtended CMOS (IC, CMOS)

@item XCMS
X Color Management System (X-Windows), "Xcms" 

@item XCOFF
eXtended Common Object File Format (Unix)

@item XCRL
extensible Customer Relationships Language (OASIS, CIQ, CRML), "xCRL"

@item XCUTS
X Commands and Utilities Test Suite (X/Open)

@item XD
eXecute Disable (Intel)

@item XDM
X Display Manager (X-Windows)

@item XDMCP
X Display Manager Control Protocol (X-Windows)

@item XDP
eXpress Data Path (BPF, Linux)

@item XDR
eXternal Data Representation (ONC, RPCL, Sun, RFC 1832)

@item XDRRAM
eXtreme Data Rate Random Access Memory (Rambus, RAM), "XDR-RAM"

@item XDS
Xeros Data Systems (manufacturer, Xerox)

@item XDSL
x Digital Subscriber Line (ADSL, HDSL, SDSL, UDSL, VDSL), "xDSL"

@item XE
eXtreme Edition (Intel, Pentium)

@item XEP
XMPP Extension Protocols (XMPP)

@item XES
Xerox Engineering Systems (Xerox)

@item XFA
XML Forms Architecture (XML)

@item XFCB
Extended File Control Block

@item XFE
X Front End (X-Windows)

@item XFI
eXtreme FIdelity (audio, Creative), "X-Fi"

@item XFN
X/open Federated Naming (X/Open)

@item XFR
eXtended Frequency Range (CPU, AMD)

@item XFRML
Extensible Financial Reporting Markup Language (XBRL)

@item XFS
eXtended File System (SGI, Unix, Windows)

@item XG
eXtended General MIDI (Yamaha, MIDI)

@item XGA
eXtended Graphics Adapter  [1024x768] (IBM, PS/2)

@item XGMML
eXtensible Graph Markup and Modeling Language

@item XHTML
eXtended HyperText Markup Language (HTML, WWW, XML)

@item XID
[SNA] eXchange IDentifier (SNA)

@item XIE
X Image Extension (X-Windows)

@item XINU
XINU Is Not Unix (OS)

@item XIOS
eXtended Input/Output System (Novell, Netware)

@item XIP
eXecute In Place

@item XKMS
XML Key Management Specification (XML, W3C)

@item XLFD
X Logical Font Description (X-Windows)

@item XLIFF
XML Localisation Interchange File Format (XML)

@item XLIFF
XML Localization Interchange File Format (XML, OASIS)

@item XLINK
eXtended Lokales InformatikNetz Karlsruhe (telecommunication, network, ISP)

@item XLINK
XML LINKing language (XML)

@item XMAPI
eXtended Messaging Application Program Interface (API)

@item XMF
eXtensible Music Format (MMA, MIDI)

@item XMI
eXtended Memory Interconnect (DEC)

@item XMI
XML Metadata Interchange [format] (XML, OMG)

@item XML
eXtensible Markup Language (WWW, XML, W3C)

@item XMLSS
XML Spreadsheet Scheme (XML, MS, Excel)

@item XMM
eXtended Memory Manager (DOS, LIM)

@item XMMS
X MultiMedia System (X-Windows)

@item XMP
eXtensible Metadata Format

@item XMP
X/open Management Protocol (X/Open, X-Windows)

@item XMPP
eXtensible Messaging and Presence Protocol (XMPP)

@item XMS
eXtended Memory Specification (DOS, LIM)

@item XMS
eXtended Multiprocessor operating System (OS)

@item XN
eXecution Node

@item XNS
Xerox Network Services / Systems / Standard (Xerox, XNS)

@item XNSCP
[PPP] XNS IDP Control Protocol (RFC 1764, Xerox, XNS, PPP, XNS, IDP)

@item XNSIDP
Xerox Network Services - Internet Datagram Protocol (Xerox, Internet, XNS), "XNS-IDP" 

@item XNSITP
Xerox Network Services/Internet Transport Protocol (Xerox, XNS), "XNS/ITP"

@item XNTP
eXperimental Network Time Protocol (NTP)

@item XOFF
eXchange OFF (MODEM)

@item XOL
XML based Ontology exchange Language (XML, WWW)

@item XON
eXchange ON (MODEM)

@item XOT
X.25 Over TCP (Cisco, X.25, TCP, RFC 1613)

@item XP
[Windows] eXPerience (MS, Windows, OS)

@item XP
eXtreme Programming

@item XPC
X Performance Characterization [group] (GPC, X-Windows)

@item XPE
XchangePoint Europe (ISP)

@item XPFE
cross Platform Front End (Mozilla)

@item XPG
X/open Portability Guide (X/Open, X-Windows)

@item XPGR3
X/open Portability Guide Release 3 (X/Open, X-Windows)

@item XPP
eXtrem Processor Platform (MPP)

@item XPP
X Printing Panel (X-Windows, CUPS, printing)

@item XPS
eXPert System (AI, XPS)

@item XPS
eXtended Parallel Server (DB, Informix)

@item XPS
XML Paper Specification (MS, Windows, Vista)

@item XPSB
X - Protocol Stream Benchmark (XPC, X-Windows)

@item XQL
XML Query language (XML)

@item XRIP
eXtended ??? Routing Information Protocol (Novell, Netware)

@item XRL
X-Ray Lithography

@item XRML
eXtensible Rights Markup Language (RMS, MS, NGSCB), "XrML"

@item XRN
eXpandable Resilient Networking (3Com, LAN)

@item XRT
eXtensions for Real-Time market data (API, MS, Windows)

@item XSD
eXtra Space Design [monitor] (Philips)

@item XSD
XML Schema Definition [language] (XML)

@item XSDT
eXtended System Description Table (ACPI)

@item XSHM
Cross-Site History Manipulation (WWW)

@item XSHM
X Shared Memory (X-Windows)

@item XSL
eXtensible Stylesheet Language (XML, XSL)

@item XSLFO
XML Stylesheet Language - Formatting Objects (XML, XSL), "XSL-FO"

@item XSLT
eXtensible Stylesheet Language Transformations (XSL, XML)

@item XSMD
eXtended Storage Module Driver interface

@item XSS
Cross-Site Scripting (WWW)

@item XT
eXtended Technology (IBM, PC)

@item XT
eXtreme Tailoring (XP)

@item XTF
eXtensible Tag Framework (Mozilla, XML)

@item XTI
X/open Transport Interface (X/Open, X-Windows)

@item XTM
XML Topic Map (XML, KM, XTM)

@item XTP
eXpress Transport Protocol

@item XTP
eXtreme Transactional Processing (MS)

@item XUI
X-windows User Interface (UI, X-Windows)

@item XUIDL
X-Unique-ID-Listing. (UIDL, POP3), "X-UIDL"

@item XUL
XML-based User interface Language (XML, Netscape, Mozilla, AOL)

@item XUMA
eXpertensystem UMweltgefaehrlichkeit von Altlasten (XPS)

@item XVBA
X-Video Bitstream Acceleration (AMD, ATI), "XvBA"

@item XVT
eXecutive Vector Table (BS2000)

@end table