Sets whether the specified glyphs exceed the bounds of the line fragment in which they are laid out.
- macOS 10.4+
trueif the glyphs in
glyphexceed the bounds of the line fragment in which they are laid out,
The range of the glyphs in question.
This can happen when text is set at a fixed line height. For example, if the user specifies a fixed line height of 12 points and sets the font size to 24 points, the glyphs will exceed their layout rectangles.
A subclass can override this method to interact with custom glyph storage.