the extent. This takes precedence over the @code{text-pointer-glyph}
and @code{nontext-pointer-glyph} variables. If for any reason this
glyph is an invalid pointer, the standard glyphs will be used as
the extent. This takes precedence over the @code{text-pointer-glyph}
and @code{nontext-pointer-glyph} variables. If for any reason this
glyph is an invalid pointer, the standard glyphs will be used as