Bernard Hill writes: | | Invisible barlines? Are you suggesting [|] as a non-printing barline?
This is implemented by a number of abc programs already. There's also a lot of use of x as a non-printing rest, and y as a non-printing, non-playing (i.e., just spacing) pseudo-rest. The latter is a bit of a kludge. To subscribe/unsubscribe, point your browser to: http://www.tullochgorm.com/lists.html