! these are used in XGetErrorMessage.
XlibMessage.XError: X Error of failed request
XlibMessage.MajorCode: Major opcode of failed request:  %d
XlibMessage.MinorCode: Minor opcode of failed request:  %d
XlibMessage.ResourceID: Resource id in failed request:  0x%lx
XlibMessage.Value: Value in failed request:  0x%lx
XlibMessage.AtomID: Atom id in failed request:  0x%lx
XlibMessage.ErrorSerial: Serial number of failed request:  %lu
XlibMessage.CurrentSerial: Current serial number in output stream:  %lu
! X request codes.
XRequest.1:X_CreateWindow
XRequest.2:X_ChangeWindowAttributes
XRequest.3:X_GetWindowAttributes
XRequest.4:X_DestroyWindow
XRequest.5:X_DestroySubwindows
XRequest.6:X_ChangeSaveSet
XRequest.7:X_ReparentWindow
XRequest.8:X_MapWindow
XRequest.9:X_MapSubwindows
XRequest.10:X_UnmapWindow
XRequest.11:X_UnmapSubwindows
XRequest.12:X_ConfigureWindow
XRequest.13:X_CirculateWindow
XRequest.14:X_GetGeometry
XRequest.15:X_QueryTree
XRequest.16:X_InternAtom
XRequest.17:X_GetAtomName
XRequest.18:X_ChangeProperty
XRequest.19:X_DeleteProperty
XRequest.20:X_GetProperty
XRequest.21:X_ListProperties
XRequest.22:X_SetSelectionOwner
XRequest.23:X_GetSelectionOwner
XRequest.24:X_ConvertSelection
XRequest.25:X_SendEvent
XRequest.26:X_GrabPointer
XRequest.27:X_UngrabPointer
XRequest.28:X_GrabButton
XRequest.29:X_UngrabButton
XRequest.30:X_ChangeActivePointerGrab
XRequest.31:X_GrabKeyboard
XRequest.32:X_UngrabKeyboard
XRequest.33:X_GrabKey
XRequest.34:X_UngrabKey
XRequest.35:X_AllowEvents
XRequest.36:X_GrabServer
XRequest.37:X_UngrabServer
XRequest.38:X_QueryPointer
XRequest.39:X_GetMotionEvents
XRequest.40:X_TranslateCoords
XRequest.41:X_WarpPointer
XRequest.42:X_SetInputFocus
XRequest.43:X_GetInputFocus
XRequest.44:X_QueryKeymap
XRequest.45:X_OpenFont
XRequest.46:X_CloseFont
XRequest.47:X_QueryFont
XRequest.48:X_QueryTextExtents
XRequest.49:X_ListFonts
XRequest.50:X_ListFontsWithInfo
XRequest.51:X_SetFontPath
XRequest.52:X_GetFontPath
XRequest.53:X_CreatePixmap
XRequest.54:X_FreePixmap
XRequest.55:X_CreateGC
XRequest.56:X_ChangeGC
XRequest.57:X_CopyGC
XRequest.58:X_SetDashes
XRequest.59:X_SetClipRectangles
XRequest.60:X_FreeGC
XRequest.61:X_ClearArea
XRequest.62:X_CopyArea
XRequest.63:X_CopyPlane
XRequest.64:X_PolyPoint
XRequest.65:X_PolyLine
XRequest.66:X_PolySegment
XRequest.67:X_PolyRectangle
XRequest.68:X_PolyArc
XRequest.69:X_FillPoly
XRequest.70:X_PolyFillRectangle
XRequest.71:X_PolyFillArc
XRequest.72:X_PutImage
XRequest.73:X_GetImage
XRequest.74:X_PolyText8
XRequest.75:X_PolyText16
XRequest.76:X_ImageText8
XRequest.77:X_ImageText16
XRequest.78:X_CreateColormap
XRequest.79:X_FreeColormap
XRequest.80:X_CopyColormapAndFree
XRequest.81:X_InstallColormap
XRequest.82:X_UninstallColormap
XRequest.83:X_ListInstalledColormaps
XRequest.84:X_AllocColor
XRequest.85:X_AllocNamedColor
XRequest.86:X_AllocColorCells
XRequest.87:X_AllocColorPlanes
XRequest.88:X_FreeColors
XRequest.89:X_StoreColors
XRequest.90:X_StoreNamedColor
XRequest.91:X_QueryColors
XRequest.92:X_LookupColor
XRequest.93:X_CreateCursor
XRequest.94:X_CreateGlyphCursor
XRequest.95:X_FreeCursor
XRequest.96:X_RecolorCursor
XRequest.97:X_QueryBestSize
XRequest.98:X_QueryExtension
XRequest.99:X_ListExtensions
XRequest.100:X_ChangeKeyboardMapping
XRequest.101:X_GetKeyboardMapping
XRequest.102:X_ChangeKeyboardControl
XRequest.103:X_GetKeyboardControl
XRequest.104:X_Bell
XRequest.105:X_ChangePointerControl
XRequest.106:X_GetPointerControl
XRequest.107:X_SetScreenSaver
XRequest.108:X_GetScreenSaver
XRequest.109:X_ChangeHosts
XRequest.110:X_ListHosts
XRequest.111:X_SetAccessControl
XRequest.112:X_SetCloseDownMode
XRequest.113:X_KillClient
XRequest.114:X_RotateProperties
XRequest.115:X_ForceScreenSaver
XRequest.116:X_SetPointerMapping
XRequest.117:X_GetPointerMapping
XRequest.118:X_SetModifierMapping
XRequest.119:X_GetModifierMapping
XRequest.127:X_NoOperation
! X Error Codes
XProtoError.0: unknown error code 0
XProtoError.1: BadRequest (invalid request code or no such operation)
XProtoError.2: BadValue (integer parameter out of range for operation)
XProtoError.3: BadWindow (invalid Window parameter)
XProtoError.4: BadPixmap (invalid Pixmap parameter)
XProtoError.5: BadAtom (invalid Atom parameter)
XProtoError.6: BadCursor (invalid Cursor parameter)
XProtoError.7: BadFont (invalid Font parameter)
XProtoError.8: BadMatch (invalid parameter attributes)
XProtoError.9: BadDrawable (invalid Pixmap or Window parameter)
XProtoError.10: BadAccess (attempt to access private resource denied)
XProtoError.11: BadAlloc (insufficient resources for operation)
XProtoError.12: BadColor (invalid Colormap parameter)
XProtoError.13: BadGC (invalid GC parameter)
XProtoError.14: BadIDChoice (invalid resource ID chosen for this connection)
XProtoError.15: BadName (named color or font does not exist)
XProtoError.16: BadLength (poly request too large or internal Xlib length error)
XProtoError.17: BadImplementation (server does not implement operation)
! Multi-Buffering extension, a draft X Consortium standard
XRequest.Multi-Buffering.0: X_MbufGetBufferVersion
XRequest.Multi-Buffering.1: X_MbufCreateImageBuffers
XRequest.Multi-Buffering.2: X_MbufDestroyImageBuffers
XRequest.Multi-Buffering.3: X_MbufDisplayImageBuffers
XRequest.Multi-Buffering.4: X_MbufSetMultiBufferAttributes
XRequest.Multi-Buffering.5: X_MbufGetMultiBufferAttributes
XRequest.Multi-Buffering.6: X_MbufSetBufferAttributes
XRequest.Multi-Buffering.7: X_MbufGetBufferAttributes
XRequest.Multi-Buffering.8: X_MbufGetBufferInfo
XRequest.Multi-Buffering.9: X_MbufCreateStereoWindow
XProtoError.Multi-Buffering.0: BadBuffer (invalid Buffer parameter)
XlibMessage.Multi-Buffering.0: Buffer id in failed request 0x%lx
! SHAPE extension, an X Consortium standard
XRequest.SHAPE.0: X_ShapeQueryVersion
XRequest.SHAPE.1: X_ShapeRectangles
XRequest.SHAPE.2: X_ShapeMask
XRequest.SHAPE.3: X_ShapeCombine
XRequest.SHAPE.4: X_ShapeOffset
XRequest.SHAPE.5: X_ShapeQueryExtents
XRequest.SHAPE.6: X_ShapeSelectInput
XRequest.SHAPE.7: X_ShapeInputSelected
XRequest.SHAPE.8: X_ShapeGetRectangles
! Input extension, a draft X Consortium standard
XRequest.XInputExtension.1:X_GetExtensionVersion
XRequest.XInputExtension.2:X_ListInputDevices
XRequest.XInputExtension.3:X_OpenDevice
XRequest.XInputExtension.4:X_CloseDevice
XRequest.XInputExtension.5:X_SetDeviceMode
XRequest.XInputExtension.6:X_SelectExtensionEvent
XRequest.XInputExtension.7:X_GetSelectedExtensionEvents
XRequest.XInputExtension.8:X_ChangeDeviceDontPropagateList
XRequest.XInputExtension.9:X_GetDeviceDontPropagateList
XRequest.XInputExtension.10:X_GetDeviceMotionEvents
XRequest.XInputExtension.11:X_ChangeKeyboardDevice
XRequest.XInputExtension.12:X_ChangePointerDevice
XRequest.XInputExtension.13:X_GrabDevice
XRequest.XInputExtension.14:X_UngrabDevice
XRequest.XInputExtension.15:X_GrabDeviceKey
XRequest.XInputExtension.16:X_UngrabDeviceKey
XRequest.XInputExtension.17:X_GrabDeviceButton
XRequest.XInputExtension.18:X_UngrabDeviceButton
XRequest.XInputExtension.19:X_AllowDeviceEvents
XRequest.XInputExtension.20:X_GetDeviceFocus
XRequest.XInputExtension.21:X_SetDeviceFocus
XRequest.XInputExtension.22:X_GetFeedbackControl
XRequest.XInputExtension.23:X_ChangeFeedbackControl
XRequest.XInputExtension.24:X_GetDeviceKeyMapping
XRequest.XInputExtension.25:X_ChangeDeviceKeyMapping
XRequest.XInputExtension.26:X_GetDeviceModifierMapping
XRequest.XInputExtension.27:X_SetDeviceModifierMapping
XRequest.XInputExtension.28:X_GetDeviceButtonMapping
XRequest.XInputExtension.29:X_SetDeviceButtonMapping
XRequest.XInputExtension.30:X_QueryDeviceState
XRequest.XInputExtension.31:X_SendExtensionEvent
! MIT-SHM extension, experimental, not an X Consortium standard
XRequest.MIT-SHM.0: X_ShmQueryVersion
XRequest.MIT-SHM.1: X_ShmAttach
XRequest.MIT-SHM.2: X_ShmDetach
XRequest.MIT-SHM.3: X_ShmPutImage
XRequest.MIT-SHM.4: X_ShmGetImage
XRequest.MIT-SHM.5: X_ShmCreatePixmap
XProtoError.MIT-SHM.0: BadShmSeg (invalid shared segment parameter)
XlibMessage.MIT-SHM.0: Segment id in failed request 0x%lx
! MIT-SUNDRY-NONSTANDARD extension, definitely not an X Consortium standard
XRequest.MIT-SUNDRY-NONSTANDARD.0: X_MITSetBugMode
XRequest.MIT-SUNDRY-NONSTANDARD.1: X_MITGetBugMode