sync code with last improvements from OpenBSD
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doc/gl-docs/GL/gl/vertex.3gl
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189
doc/gl-docs/GL/gl/vertex.3gl
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'\" te
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'\"! tbl|eqn | mmdoc
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'\"macro stdmacro
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.ds Vn Version 1.2
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.ds Dt 24 September 1999
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.ds Re Release 1.2.1
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.ds Dp Jan 14 18:30
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.ds Dm 01 vertex.gl
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.ds Xs 13679 4 vertex.gl
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.TH GLVERTEX 3G
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.SH NAME
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.B "glVertex2d, glVertex2f, glVertex2i, glVertex2s, glVertex3d, glVertex3f, glVertex3i, glVertex3s, glVertex4d, glVertex4f, glVertex4i, glVertex4s, glVertex2dv, glVertex2fv, glVertex2iv, glVertex2sv, glVertex3dv, glVertex3fv, glVertex3iv, glVertex3sv, glVertex4dv, glVertex4fv, glVertex4iv, glVertex4sv
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\- specify a vertex
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.SH C SPECIFICATION
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void \f3glVertex2d\fP(
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GLdouble \fIx\fP,
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.nf
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.ta \w'\f3void \fPglVertex2d( 'u
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GLdouble \fIy\fP )
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.fi
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void \f3glVertex2f\fP(
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GLfloat \fIx\fP,
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.nf
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.ta \w'\f3void \fPglVertex2f( 'u
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GLfloat \fIy\fP )
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.fi
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void \f3glVertex2i\fP(
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GLint \fIx\fP,
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.nf
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.ta \w'\f3void \fPglVertex2i( 'u
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GLint \fIy\fP )
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.fi
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void \f3glVertex2s\fP(
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GLshort \fIx\fP,
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.nf
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.ta \w'\f3void \fPglVertex2s( 'u
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GLshort \fIy\fP )
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.fi
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void \f3glVertex3d\fP(
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GLdouble \fIx\fP,
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.nf
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.ta \w'\f3void \fPglVertex3d( 'u
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GLdouble \fIy\fP,
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GLdouble \fIz\fP )
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.fi
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void \f3glVertex3f\fP(
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GLfloat \fIx\fP,
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.nf
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.ta \w'\f3void \fPglVertex3f( 'u
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GLfloat \fIy\fP,
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GLfloat \fIz\fP )
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.fi
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void \f3glVertex3i\fP(
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GLint \fIx\fP,
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.nf
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.ta \w'\f3void \fPglVertex3i( 'u
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GLint \fIy\fP,
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GLint \fIz\fP )
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.fi
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void \f3glVertex3s\fP(
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GLshort \fIx\fP,
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.nf
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.ta \w'\f3void \fPglVertex3s( 'u
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GLshort \fIy\fP,
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GLshort \fIz\fP )
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.fi
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void \f3glVertex4d\fP(
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GLdouble \fIx\fP,
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.nf
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.ta \w'\f3void \fPglVertex4d( 'u
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GLdouble \fIy\fP,
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GLdouble \fIz\fP,
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GLdouble \fIw\fP )
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.fi
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void \f3glVertex4f\fP(
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GLfloat \fIx\fP,
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.nf
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.ta \w'\f3void \fPglVertex4f( 'u
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GLfloat \fIy\fP,
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GLfloat \fIz\fP,
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GLfloat \fIw\fP )
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.fi
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void \f3glVertex4i\fP(
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GLint \fIx\fP,
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.nf
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.ta \w'\f3void \fPglVertex4i( 'u
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GLint \fIy\fP,
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GLint \fIz\fP,
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GLint \fIw\fP )
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.fi
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void \f3glVertex4s\fP(
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GLshort \fIx\fP,
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.nf
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.ta \w'\f3void \fPglVertex4s( 'u
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GLshort \fIy\fP,
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GLshort \fIz\fP,
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GLshort \fIw\fP )
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.fi
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.SH PARAMETERS
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.TP \w'\f2x\fP\ \f2y\fP\ \f2z\fP\ \f2w\fP\ \ 'u
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\f2x\fP, \f2y\fP, \f2z\fP, \f2w\fP
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Specify \f2x\fP, \f2y\fP, \f2z\fP, and \f2w\fP coordinates of a vertex.
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Not all parameters are present in all forms of the command.
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.SH C SPECIFICATION
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void \f3glVertex2dv\fP(
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const GLdouble \fI*v\fP )
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.nf
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.fi
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void \f3glVertex2fv\fP(
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const GLfloat \fI*v\fP )
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.nf
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.fi
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void \f3glVertex2iv\fP(
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const GLint \fI*v\fP )
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.nf
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.fi
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void \f3glVertex2sv\fP(
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const GLshort \fI*v\fP )
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.nf
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.fi
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void \f3glVertex3dv\fP(
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const GLdouble \fI*v\fP )
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.nf
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.fi
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void \f3glVertex3fv\fP(
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const GLfloat \fI*v\fP )
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.nf
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.fi
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void \f3glVertex3iv\fP(
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const GLint \fI*v\fP )
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.nf
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.fi
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void \f3glVertex3sv\fP(
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const GLshort \fI*v\fP )
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.nf
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.fi
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void \f3glVertex4dv\fP(
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const GLdouble \fI*v\fP )
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.nf
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.fi
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void \f3glVertex4fv\fP(
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const GLfloat \fI*v\fP )
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.nf
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.fi
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void \f3glVertex4iv\fP(
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const GLint \fI*v\fP )
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.nf
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.fi
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void \f3glVertex4sv\fP(
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const GLshort \fI*v\fP )
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.nf
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.fi
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.SH PARAMETERS
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.TP
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\f2v\fP
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Specifies a pointer to an array of two, three, or four elements.
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The elements of a two-element array are \f2x\fP and \f2y\fP;
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of a three-element array, \f2x\fP, \f2y\fP, and \f2z\fP;
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and of a four-element array, \f2x\fP, \f2y\fP, \f2z\fP, and \f2w\fP.
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.SH DESCRIPTION
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\%\f3glVertex\fP commands are used within \%\f3glBegin\fP/\%\f3glEnd\fP pairs to specify
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point, line, and polygon vertices.
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The current color,
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normal,
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and texture coordinates are associated with the vertex when \%\f3glVertex\fP is called.
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.P
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When only \f2x\fP and \f2y\fP are specified,
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\f2z\fP defaults to 0 and \f2w\fP defaults to 1.
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When \f2x, y,\fP and \f2z\fP are specified,
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\f2w\fP defaults to 1.
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.SH NOTES
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Invoking \%\f3glVertex\fP outside of a \%\f3glBegin\fP/\%\f3glEnd\fP pair
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results in undefined behavior.
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.SH SEE ALSO
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\%\f3glBegin(3G)\fP,
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\%\f3glCallList(3G)\fP,
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\%\f3glColor(3G)\fP,
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\%\f3glEdgeFlag(3G)\fP,
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\%\f3glEvalCoord(3G)\fP,
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\%\f3glIndex(3G)\fP,
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\%\f3glMaterial(3G)\fP,
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.br
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\%\f3glNormal(3G)\fP,
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\%\f3glRect(3G)\fP,
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\%\f3glTexCoord(3G)\fP,
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\%\f3glVertexPointer(3G)\fP
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