sync code with last improvements from OpenBSD

doc/gl-docs/GLU/quadrictexture.3gl

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+'\" e
+'\"! eqn | mmdoc
+'\"macro stdmacro
+.ds Vn Version 1.2
+.ds Dt 6 March 1997
+.ds Re Release 1.2.0
+.ds Dp May 02 11:53
+.ds Dm 37 quadricte
+.ds Xs 18441 3 quadrictexture.gl
+.TH GLUQUADRICTEXTURE 3G
+.SH NAME
+.B "gluQuadricTexture
+\- specify if texturing is desired for quadrics
+
+.SH C SPECIFICATION
+void \f3gluQuadricTexture\fP(
+GLUquadric* \fIquad\fP,
+.nf
+.ta \w'\f3void \fPgluQuadricTexture( 'u
+	GLboolean \fItexture\fP )
+.fi
+
+.EQ
+delim $$
+.EN
+.SH PARAMETERS
+.TP \w'\fItexture\fP\ \ 'u 
+\f2quad\fP
+Specifies the quadrics object (created with \%\f3gluNewQuadric\fP).
+.TP
+\f2texture\fP
+Specifies a flag indicating if texture coordinates should be generated.
+.SH DESCRIPTION
+\%\f3gluQuadricTexture\fP specifies if texture coordinates should be generated
+for quadrics rendered with \f2quad\fP.
+If the value of \f2texture\fP is \%\f3GL_TRUE\fP, then texture coordinates 
+are generated, and if \f2texture\fP is \%\f3GL_FALSE\fP, they are not.  The
+initial value is \%\f3GL_FALSE\fP.
+.P
+The manner in which texture coordinates are generated depends 
+upon the specific quadric rendered.
+.SH SEE ALSO
+\%\f3gluNewQuadric(3G)\fP, \%\f3gluQuadricDrawStyle(3G)\fP, \%\f3gluQuadricNormals(3G)\fP, 
+\%\f3gluQuadricOrientation(3G)\fP
+