Returns a potentially modified location to which the marker should be added.
- macOS 10.0+
The ruler view sending the message.
The marker to be added.
The new location for the marker, in the ruler view’s coordinates.
The modified location to which the marker should be added.
This method ensures that the proposed
a lies within the appropriate bounds for the receiver’s text container, returning the modified location. Appropriate bounds are those of the text container minus its line fragment padding.
Typically, the ruler view's width matches that of its text view.