Ehud,
The command is "extend selection" but I had the shortcut wrong. It's Ctl-. (Control-period).
Regards,
Neil
Thank you for your answer.
I don't understand the Cmd-Ctl-' you mentioned. What do you mean by '?
Cmd-Ctl-'
'
After looking at the documentation for "Notebook Shortcuts", I found Shift+Cmd+{ to do the job. Is that right?
Shift+Cmd+{