This function spaces all selected objects at the same horizontal distance.
Firstly, select all objects which are to be horizontally
positioned. Then click the Spread Objects Horizontally
icon.
The objects will be placed with their centres evenly spaced
horizontally. The rectangle which would surround all of the selected
objects is the determining factor for the spacing. LineArt does not
take into account the order in which the objects were created, but
considers only their current location in the surrounding frame.
The selected objects are thus distributed with the same horizontal distance between their centres.