Talk:Petit Computer 3/@comment-5539101-20140809110024/@comment-5334617-20140810024647

What's in the screen shot on the middle left of that scan?

On the top half, you can see the line number highlighted begins with ... and, the bottom half appears to be the help page for the command. This is one of the "New editing features",

''You can have the the manual open while programming. When you push the "HELP" button while the cursor is on a command or statement, the Help window opens.''