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-rw-r--r--make/gl-common.cfg4
1 files changed, 3 insertions, 1 deletions
diff --git a/make/gl-common.cfg b/make/gl-common.cfg
index 29fe943f4..b06742518 100644
--- a/make/gl-common.cfg
+++ b/make/gl-common.cfg
@@ -469,7 +469,9 @@ ClassJavadoc GL * using the functionality it exposes: for example,
ClassJavadoc GL * <code>gl.isExtensionAvailable("GL_ARB_vertex_program");</code>.
ClassJavadoc GL * However, in this case it is up to the end user to know which
ClassJavadoc GL * routines or functionality are associated with which OpenGL
-ClassJavadoc GL * extensions.
+ClassJavadoc GL * extensions. It may also be used to test for the availability of a
+ClassJavadoc GL * particular version of OpenGL: for example,
+ClassJavadoc GL * <code>gl.isExtensionAvailable("GL_VERSION_1_5");</code>.
ClassJavadoc GL *
ClassJavadoc GL * <P> Exceptions to the window system extension naming rules:
ClassJavadoc GL *