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+_C_ License Applicability. Except to the extent portions of this file are
+_C_ made subject to an alternative license as permitted in the SGI Free
+_C_ Software License B, Version 1.1 (the "License"), the contents of this
+_C_ file are subject only to the provisions of the License. You may not use
+_C_ this file except in compliance with the License. You may obtain a copy
+_C_ of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
+_C_ Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
+_C_ 
+_C_ http://oss.sgi.com/projects/FreeB
+_C_ 
+_C_ Note that, as provided in the License, the Software is distributed on an
+_C_ "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
+_C_ DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
+_C_ CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
+_C_ PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
+_C_ 
+_C_ Original Code. The Original Code is: OpenGL Sample Implementation,
+_C_ Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
+_C_ Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
+_C_ Copyright in any portions created by third parties is as indicated
+_C_ elsewhere herein. All Rights Reserved.
+_C_ 
+_C_ Additional Notice Provisions: The application programming interfaces
+_C_ established by SGI in conjunction with the Original Code are The
+_C_ OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
+_C_ April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
+_C_ 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
+_C_ Window System(R) (Version 1.3), released October 19, 1998. This software
+_C_ was created using the OpenGL(R) version 1.2.1 Sample Implementation
+_C_ published by SGI, but has not been independently verified as being
+_C_ compliant with the OpenGL(R) version 1.2.1 Specification.
+_C_
+_C_ The first character in this file must be an '_'!
+_C_ Anything on a line after _C_ is ignored
+_C_ A real line follows.
+_define(_filters,tbl|eqn)_C_
+_C_      eqn is automatically replaced with neqn for nroff
+_C_ Use GL not OpenGL
+_C_ Don't change the ordering of the main headers.
+_C_ C specification (or fortran) is handled automatically
+_C_ .TH is automatically added to the top of this file.
+_C_ Below, use current tense, active do not capitalize the first word and dont
+_C_ use a period.
+_C_ the function name must appear in (APIFILE) (usually gl.h) as set in 
+_C_ Makefile.
+_header(VertexPointer,define an array of vertex data) 
+_names(VertexPointer)
+.EQ
+delim $$
+.EN
+.SH PARAMETERS
+_phead(_param1)
+Specifies the number of coordinates per vertex; must be 2, 3, or
+4. The initial value is 4.
+_phead(_param2)
+Specifies the data type of each coordinate in the array.
+Symbolic constants
+_const(SHORT),
+_const(INT),
+_const(FLOAT),
+and _const(DOUBLE) 
+are accepted. The initial value is _const(FLOAT). 
+_phead(_param3) 
+Specifies the byte offset between consecutive 
+vertices. If _param3 is 0, the vertices are understood to be tightly packed in 
+the array. The initial value
+is 0. 
+_phead(_param4) 
+Specifies a pointer to the first coordinate of the first vertex in the
+array. The initial value is 0.
+.SH DESCRIPTION
+_cmnd specifies the location and data format of an array of vertex coordinates
+to use when rendering.
+_param1 specifies the number of coordinates per vertex and
+_param2 the data type of
+the coordinates. _param3 specifies the byte stride from one
+vertex to the next allowing vertices and attributes
+to be packed into a single array or stored in separate arrays.
+(Single-array storage may be more efficient on some implementations;
+see _cmnd(InterleavedArrays).)
+When a vertex array is
+specified, _param1, _param2, _param3, and _param4 are saved as client-side
+state.
+.P
+To enable and disable the vertex array, call _cmnd(EnableClientState) and
+.br 
+_cmnd(DisableClientState) with the argument _const(VERTEX_ARRAY). If
+enabled, the vertex array is used when 
+_cmnd(DrawArrays), _cmnd(DrawElements), or _cmnd(ArrayElement) is called.
+.P
+Use _cmnd(DrawArrays) to construct a sequence of primitives (all of
+the same type)
+from prespecified vertex and vertex attribute arrays.
+Use _cmnd(ArrayElement) to specify primitives
+by indexing vertices and vertex attributes  and _cmnd(DrawElements) to
+construct a sequence of primitives by indexing vertices and vertex attributes.
+.SH NOTES
+_cmnd is available only if the GL version is 1.1 or greater.
+.P
+The vertex array is initially disabled and isn't accessed when
+_cmnd(ArrayElement), _cmnd(DrawElements) or _cmnd(DrawArrays) is called.
+.P
+Execution of _cmnd is not allowed between the execution of
+_cmnd(Begin) and the corresponding execution of _cmnd(End),
+but an error may or may not be generated. If no error is generated,
+the operation is undefined.
+.P
+_cmnd is typically implemented on the client side.
+.P
+Vertex array parameters are client-side state and are therefore not
+saved or restored by _cmnd(PushAttrib) and _cmnd(PopAttrib).
+Use _cmnd(PushClientAttrib) and _cmnd(PopClientAttrib) instead.
+.SH ERRORS
+_const(INVALID_VALUE) is generated if _param1 is not 2, 3, or 4.
+.P
+_const(INVALID_ENUM) is generated if _param2 is is not an accepted value.
+.P
+_const(INVALID_VALUE) is generated if _param3 is negative.
+.SH ASSOCIATED GETS  
+_cmnd(IsEnabled) with argument _const(VERTEX_ARRAY)
+.br
+_cmnd(Get) with argument _const(VERTEX_ARRAY_SIZE)
+.br
+_cmnd(Get) with argument _const(VERTEX_ARRAY_TYPE)
+.br
+_cmnd(Get) with argument _const(VERTEX_ARRAY_STRIDE)
+.br
+_cmnd(GetPointerv) with argument _const(VERTEX_ARRAY_POINTER)
+.SH SEE ALSO 
+_cmnd(ArrayElement),
+_cmnd(ColorPointer),
+_cmnd(DrawArrays),
+_cmnd(DrawElements),
+_cmnd(DrawRangeElements),
+_cmnd(EdgeFlagPointer),
+_cmnd(Enable),
+_cmnd(GetPointerv),
+_cmnd(IndexPointer),
+_cmnd(InterleavedArrays),
+_cmnd(NormalPointer),
+_cmnd(PopClientAttrib),
+_cmnd(PushClientAttrib),
+_cmnd(TexCoordPointer)