The verb lab in locale j runs the lab system. It is invoked by selecting the lab menu items in the Studio menu; and by pressing the lab advance shortcut when a lab has been loaded.
lab can also be called under program control as described below, and this can be helpful when creating and testing a lab. If you are using lab in this way, you may want to define lab_z_=. lab_j_ to remove the need for the locale reference.
The form is:
lab '' | Lab dialog for files in system\extras\labs directory. Invoked by menu item Studio|Labs... |
lab 0 [,num] | Show next Lab Section (or section num). Invoked by menu item Studio|Advance, or by the corresponding shortcut key. |
lab 1 | Show jump dialog Invoked by menu item Studio|Jump... |
lab 2 | Run Lab Author Invoked by menu item Studio|Author... |
lab 'directory' | Show lab dialog for files with extension .ijt in given directory. |
lab 'filename'[;num] |
Invoke lab on given file (at chapter |
Note that you can run any file as a lab file, e.g.
lab 'system\extras\labs\labintro.txt'