Two buttons insert and delete one cell at the cursor, shifting the rest of the chart forward or back. On Mac they are at the top of the Editor panel, to the left of the N and S buttons, with the shortcuts Cmd-Delete and Cmd-\. On Windows they are in the chord input row at the top of the Editor panel, beside the text field, with the shortcuts Ctrl-Backspace and Ctrl-\. On iPhone, iPad, and Android they are in the Editor toolbar above the keyboard.

 

Insert space to open room for an intro (select the first cell, then insert sixteen times), to add a bar between two others, or to tidy the barlines after a cut and paste. Delete space to make a bar narrower: a four-cell bar becomes half as wide with two cells removed, which is how a chart fits eight bars on a line. To remove a whole measure, delete each of its cells.

 

Never let a bar split across two lines. Each measure must begin and end on the same system, with a barline on either side. If one runs off the end of a line, add or delete space along that line until it closes.

 

The Editor holds twelve systems and no more, and it does not warn you when the grid is full: anything pushed past the last cell is dropped without a message. Deleting space in the bars above is what creates room below. The small chord font helps as well.

 

For the full guide, see Spacing chords and bars on the iReal Pro website.