With the introduction Font Modules for Altia Design 11.4, you may see warnings in the Status pane about needing to put Ascent and Descent entries into the fonts.ali file.
While this will stop the warnings, it will also cause the MLTO object's line spacing, potentially pushing text that would have been visible off the bottom/clipped area. Removing the ascent/descent entries will fix the the padding issue within the MLTO, but will cause the warnings in the Status pane.
Please keep this in mind when making dsn files with MLTOs in Altia Design 11.4.