Module types $lx through $Bx have a general-purpose executable format. This format is often used in programs called by <code>F$Fork</code> or <code>F$Chain</code>. Here is the format used by these module types:
 
Module types $lx through $Bx have a general-purpose executable format. This format is often used in programs called by <code>F$Fork</code> or <code>F$Chain</code>. Here is the format used by these module types:
   Exception encountered, of type "Error"