glDetachShader detaches the shader object specified by shader from the program object specified by program. This command can be used to undo the effect of the command glAttachShader. If shader has already been flagged for deletion by a call to glDeleteShader and it is not attached to any other program object, it will be deleted after it has been detached.
glDetachShader is available only if the GL version is 2.0 or greater.
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glDetachShader: man2/glDetachShader.xml
glDetachShader detaches the shader object specified by shader from the program object specified by program. This command can be used to undo the effect of the command glAttachShader. If shader has already been flagged for deletion by a call to glDeleteShader and it is not attached to any other program object, it will be deleted after it has been detached.
glDetachShader is available only if the GL version is 2.0 or greater.